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Power Xpert CX® - Power distribution switchgearIEC Low Voltage Power Distribution Center and Motor Control Center
Flexible switchgear solutions
maximizing Safety & Uptime
Power Xpert CX®
We deliver:• Electrical solutions that use less energy, improve power reliability
and make the places we live and work safer and more comfortable
• Hydraulic and electrical solutions that enable machines to deliver more productivity without wasting power
• Aerospace solutions that make aircraft lighter, safer and less costly to operate, and help airports operate more efficiently
• Vehicle drivetrain and powertrain solutions that deliver more power to cars, trucks and buses, while reducing fuel consumption and emissions
Discover today’s Eaton.
Powering business worldwide
As a global power management company, we help customers worldwide manage the power needed for buildings, aircraft, trucks, cars, machinery and businesses.
Eaton’s innovative technologies help customers manage electrical, hydraulic and mechanical power more reliably, efficiently, safely and sustainably.
We provide integrated solutions that help make energy, in all its forms, more practical and accessible.
With 2013 sales of $22 billion, Eaton has approximately 100,000 employees around the world and sells products in more than 175 countries.
Eaton.com
Energizing a worldthat demands more.
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Eaton’s global platforms for Motor Control and Power Distribution
Power Xpert CX® and CXH make up a product family that both cover the entire range of
applications, but with focus on Power Distribution and Motor Control respectively.
Both the CX and CXH platforms are fully scalable and complementary, enabling you to
create a fit-for-purpose low voltage system comprising entirely Eaton components.
Power Xpert CXH™ is Eaton’s IEC high-performance
Motor Control and distribution center up to 6300 A.
The system provides reliable motor control and power
distribution functionality for applications that have
the highest requirement for reliability and safety.
CXH is a reliable solution for applications where the
motor control is vital.
Power Xpert CXH™ meets the high end requirements ofcustomers in the Oil & Gas, Mining and heavy industry marketsegments. CXH has been tested to the highest standards. CXH meets the certification for seismic and marine testing. CXH is rated and tested for 415 V /100 kA, 480 V / 85 kA, 525 V / 65 kA and 690 V / 65kA.
The Power Xpert CX® is Eaton's IEC low voltage power
assembly up to 5500 A. The system provides reliable
power distribution and motor control functionality for
all commercial and industrial applications.
The innovative design combined with Eaton's expertise in thearea of low voltage applications delivers a platform that is atthe heart of any power distribution and motor controlapplication. CX is a flexible system which maximizes safetyand uptime.
CX is a reliable solution for applications where the supply ofenergy is vital for your business process. Providing Form ofSeparation to form 2, 3b and 4b, the withdrawable units canbe exchanged without having to disconnect power and / orcontrol cabling.
Power Xpert CXH™Motor Control Center and Power Distribution
Power Xpert CX®Power Distribution and Motor Control
In conjunction with Eaton’s comprehensive MV switchgear range,UPS, busbar trunking, panel and distribution boards, projectmanagement, service and support, the CX and CXH platforms arepart of a complete turnkey solution for your motor control and yourpower distribution needs.
Complete power solutions
The standardised platform of the CX and CXH allows global sourcingof a consistently reliable low-voltage solution, with no regionalvariation. This helps to reduce delivery times, enhance support andservice, and reduce your operating costs – to increase your overallefficiency.
Global solution
CX A flexible solution for Low Voltage Power Distribution
The Power Xpert CX® is Eaton's latest IEC low voltage power
assembly up to 5500 A. The system provides reliable
power distribution and motor control functionality for all
commercial and industrial applications.
The innovative design combinedwith Eaton's expertise in thearea of low voltage applicationsdelivers a platform that is at theheart of any power distributionand motor control application.CX is a flexible system whichmaximizes safety and uptime.
CX offers maximum flexibilitywith multiple possibili ties forfixed, plug-in, removable or fullywithdrawable sections, withaccessibility for front and/or rearaccess. Eaton innovationsmaximize uptime by preventingunscheduled process interrup -tions and minimizing downtime.Replacing devices can beaccomplished within seconds ordepending on the configurationa few minutes, even under liveconditions. CX provides themaximum level of protection forpersonnel and equipment.
CX is verified by testingaccording to IEC EN 61439-2guaranteeing maximumreliability. Moreover, the systemhas been designed and testedin accordance with IEC/TR61641: the guide for testingunder conditions of arcing dueto internal fault. Tests wereperformed with regards to thecriteria for personal andassembly protection underarcing conditions.
Eaton has an enviable reputationfor safe, reliable Low Voltage
Systems with product familieslike Capitole, Tabula, Gemini,A300, xEnergy, MEMForm andModan.
The CX comes from more thana century of experience in thedesign and manufacturing ofLow Voltage systems. Thisexperience and expertise cametogether in the development ofthis latest generation of PowerDistribution Centers: CX. Toprovide a fully integrated andtested solution, Eaton has usedtheir state of the art switchingand distribution componentswithin the CX platform. Eaton'sreputation in the industry is builton the legacy of brands likeCooper, Cutler-Hammer,Bussmann, Crouse-Hinds,Westinghouse, Holec, MEMand Moeller.
CX is manufactured in Eatonfacilities all across the world.With the local applicationknowledge backed up with amultinational diversifiedindustrial organisation andexperience, Eaton can offer acomprehensive service tailoredto customer requirements,ranging from consultancy,engineering to total projectmanagement.
CX offers a state of the artsolution for Power Distributionand Motor Control in a singlelow voltage platform.
Power Xpert CX® is a complete range for power distribution andmotor control up to 5500 A. In combination with Eaton's mediumvoltage switchgear, UPS (Uninterruptible Power Supplies), BusbarTrunking, Panelboards, Distribution Boards, project management andservice capabilities, CX is part of any complete turn-key solution forall power distribution and control applications.
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Complete range up to 5500 A
Process industryProcess industry HospitalsHospitals Water treatment plantsWater treatment plants InfrastructureInfrastructure
Data centersData centers
Power Xpert CX® Power section with four ACB's, in IP42 configuration.
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Features and Benefits
• Plug-in and Withdrawablecompartments can bemodified without the needfor complete systemshutdown.
• Automatic door interlockingof withdrawable andremovable feeders toprevent access to deviceswhen the disconnect switchis in the ON position.
• CX assemblies are built inEaton factories with Eatondevices with a proven trackrecord.
• Padlock facilities available for all operating and interlockmechanisms.
• 3-point-lock system isavailable on all cablewaydoors to ensure maximumsafety.
Safe in Operation
• Modular design.
• Small footprint.
• Fixed, removable andwithdrawable units.
• Variable widths forcableways.
• Easy to upgrade and extendthe switchboard.
• Suitable for universal use asthe dimensions are inaccordance with the mainindustrial standards (DINVDE, CEI, UNE, NF andBSEN).
• Cable connection from topand/or bottom (front andrear) optimised for Eaton'sIEC 61439-6 compliantPower Xpert™ BusbarTrunking System.
• Corner cubicles for flexibleline-ups optimising space-usage in the switch room.
• Multiple main busbarpositions allowing front andrear access, multiple stackedACB’s and footprintreduction.
System Flexibility
• Complete product designthird party certified inaccordance with IEC 61439-2(Verification by testing).
• Designed and testedaccording to IEC / TR 61641criteria 1-7.
• Quality assurance inaccordance with DIN EN9001 / ISO 9001.
• Routine tested in ISOcertified manufacturinglocations.
• External degree of protectionis third party tested for IP31,IP42 and IP55 according tothe IEC 60529.
• Full internal separation of allfunctional units designed inaccordance with Forms 2b,3b, 4a and 4b (up to BS-ENforms of separation types 6and 7).
Reliable in Operation
Power Xpert CX® is a broad platform with multiple possibilities.
• Up to 24 feeders (160 Aframe MCCB or FCS) or 25motor starters (15 kW DOL)can be installed in one singlesection to reduce footprintand achieve maximumdensity.
• Possibility of 4 Air CircuitBreakers in a single 800 mmwide section.
• Compartments or devicescan be quickly and easilychanged to ensure maximumuptime for the businessprocesses.
• The use of high-gradematerials and components,reduces maintenance to aminimum.
Total Cost of Ownership
Power Xpert CX® is able to combine multiple functionalities into one configuration.
1. Outgoing Cable Connection Compartment
2. Main Incoming Feeder Unit
3. Flushed key lockable door handles
4. Mounting Plinth
5. High Density Outgoing Feeder
6. Outgoing Cable Connection Compartment
7. Outgoing Feeder
8. Empty Compartment
9. Ventilation
Distribution Panel (example)Busbar Back Design
1. Main Busbars
2. Incoming or Outgoing Feeder Unit
3. Outgoing Feeder
4. Main Busbars
5. Riser panel
6. Mounting Plinth
Distribution Panel (example)Busbar Top Design
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The CX panels have three majorsections:
1. The busbar sectionThe fully segregated mainbusbar chamber can belocated in the back (top/bottom position) of thestructure or available as atop configuration (top/middle/ bottom position).
2. The cabling sectionLocated in a separate fullysegregated cable chamber atthe rear or besides theequipment section.
3. The equipment sectionLocated at the front wherethe functional units arefitted.
The system is designed for'front cable access' forapplications where the panelsmust be located adjacent to arear wall.
Alternatively the system can bearranged for rear access, a‘single line of structures’ givingall around access to panels foroperation and cabling.
Arrangements for 'back to back'configurations are possible.
Basic design
Power Xpert CX® is
modular in construction.
It is a self-supporting
sheetsteel structure,
consisting of profiles and
sheet-steel side walls and
covers.
Busbar Back configuration Busbar Top configuration
2
3
4
1
3
2
4
6
5
1
6
5
8
9
7
Front view busbar section
N
L1
L2
L3
L1
L2
L3
N
PE
Side view busbar section
Depth 600 mmup to 3200 A
Depth 800 mmup to 4000 A
Depth 1000 mmup to 5500 A
PE
Two positions:top and/or bottom
Front view busbar section Side view busbar section
Power sections with two busbarsDepth 800 mmup to 4500 A
Feeder section Depth 800 mmup to 4500 A
Power sections withthree busbarsDepth 800 mmup to 4500 A 7
Main Busbar System
The Power Xpert CX® main
busbars are arranged in a
separate compartment to
ensure the right form of
separation and internal
degree of protection. All
main and distribution
busbars are maintenance
free. Two busbar designs
are available, Busbar Back
and Busbar Top.
The main busbar system ismaintenance free and fullyseparated from the equipmentand cable compartments. The busbars are rated up to5500 A - 100 kA / 1 s.
On site extension of the mainbusbar system can be easilyand quickly accomplished withthe appropriate busbar couplingclamps; no drilling is required.
The material specification ofthe busbars is Copper: EN 13601-Cu-ETP-R250.
Main Busbar Systems
Busbar Type Positions Current Short circuit capacity
In Icw (1s) Icw (3s) Ipk
Busbar Back (BBB) Top / Bottom 800 A - 5500 A up to 100 kA up to 50 kA up to 220 kABusbar Top (BBT) Top / Middle / Bottom 800 A - 4500 A up to 105 kA up to 66 kA up to 231 kA
Main Busbar Systems
Busbar Type Frame rating Depth
Busbar Back (BBB) up to 3200 A 600 mmBusbar Back (BBB) up to 4000 A 800 mmBusbar Back (BBB) up to 5500 A 1000 mmBusbar Top (BBT) up to 4500 A 800 mm
Busbar Back configuration (BBB)
Busbar Top configuration (BBT)
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Flexible Power Distribution Solutions
Power Sections
• Incoming, outgoing and bus coupling solutions
• Air Circuit Breakers, Moulded Case Circuit Breakers andSwitch Disconnectors
• Safety due to internal separation up to Form 4
• Flexibility by choice of cable and busbar trunkingconnection from the top or bottom
Fixed Outgoing Sections
• Power Distribution feeders with NZM circuit breakers up to 630A
• Internal separation ranging from Form 2b up to Form 4b (type 6 and 7)
• Toggle and rotary operation
• Available with Plug-in adapter
Removable Outgoing SectionsBusbar Back configuration only
• Power Distribution feeders with removable NZM circuitbreakers and QSA Fused Combination Switches up to630 A
• Internal separation up to Form 4
• Easy maintenance and reduced down times
Withdrawable Outgoing Sections
• Power distribution feeders with NZM circuit breakers up to 630 A
• Motor starters up to 250 KW
• Drawers can be replaced under live-line workingconditions ensuring minimum down times
• Internal separation up to Form 4
• Remote monitoring and control with Smart-Wire DT andC440 based communicating solutions
NZM2 circuit breaker withremovable neutral link.
NRX Air Circuit Breakers. Plug-in adapter.
Withdrawable compartment.
15 kW DOL Motor Starter.
Fused Combination Switch,QSA 400A, Form 4acompartment.
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Flexible by designModular design and small footprint
Power Xpert CX® offers a
switchgear solution flexibly
tailored to the needs of
project demands. Whether
this requires front access or
rear access with a busbar at
the top or in the back, CX
has the answer. With the
increasing focus on cost
and space the CX provides
many features and many
possibilities to maximise
performance while
optimising footprint.
Examples are the quad stackedAir Circuit Breaker sections orthe dual compartment highdensity outgoing units witheither Moulded Case CircuitBreakers or Fused CombinationSwitches enabling up to 24feeders (160 A frame MCCB orFCS) or 25 motor starters (15 kW) in a single cubicle.Remote operation or plug-inadapters for MCCBs willdramatically increase thefunctionality and flexibility withlittle effort.
Distribution and motorcontrol
Distribution and Motor Controlunits can be included in thesame panel. A MCCB feederunit and withdrawable motorstarter can be placed in thesame structure.
Different position of mainand distributions busbars
With the two main busbardesigns, Busbar Back andBusbar Top, 5 busbar positionsare possible. Distributionbusbars are placed behind andadjacent to the functional units.
Fused and breaker solutions
Power distribution applicationswith Fused CombinationSwitches and Moulded CaseCircuit Breakers are available in CX.
CX is offering the best of twoworlds in componentintegration for overcurrent andshort-circuit protection. BothBreaker and Fusedtechnologies are keycompetencies of Eaton.
Fused solutions offer highbreaking capacity and currentlimiting properties and makecoordination and selectivity ofmultiple switching devicesconnected in series possible.
MCCB’s offer ease in operationlike simple resetting and easyadjustable settings. MCCB’sdon’t require spare parts andseveral functions (other thanswitching and protection) canbe combined in a single device:earth-fault protection, remoteoperation and communication.
Variable widths for cablecompartments
Generous sized cableways areavailable for top and bottomcable entry. Depending on theapplication the cable compart -ments for wiring range from175 up to 600 mm wide.
Easy to upgrade and extendthe switchgear
The switchgear can beextended at either endwhenever this is required. Sowhen the demands for theswitchgear changes it can beupgraded and panels can beadded with minimal processinterruptions.
Suitable for cable and busbarconnections
CX is designed for flexiblecustomer connection methods:whether cables or Eaton'sPower Xpert™ Busbar TrunkingSystems. Both the CX and theBusbar Trunking Systems areverified by testing accordingthe IEC 61439-2 and IEC 61439-6.
Corner cubicles to allow forflexible line-ups to suit theswitch room
Switch rooms come in manydimensions and that is why theCX is able to be manufacturedin various flexible shapes withthe help of corner cubicles. L-shape, U-shape or back-to-backconfigurations are available tofit the switch room lay-out.
Direct cable connection tofeeder units
For components above 630 Athe system allows direct cableconnection to feeder units forthe top and bottom feedercompartments.
Add safety, measuring andPower Factor Correctionequipment
Maximum flexibility in oneswitchgear system.
• Eaton's patented ArcflashReduction MaintenanceSystem™
• Zone Selective Interlocking(ZSI)
• Seismic qualificationsaccording IEC, IEEE and IBC
• BreakerVisu – Visualizationand Logging System
• Mechanical interlocking forrestricted access
• Automatic transfer switching
• Arc proof assemblyaccording IEC/TR 61641criteria 1 to 7
• Plug-and-play meteringoptions
• Surge Protection Devices
• Power Factor Correction
CX Solutions (see page 8) Power Sections Fixed Outgoing Removable Outgoing Withdrawable Outgoing
Form of Separation up to Form 4b up to Form 4b up to Form 4b up to Form 4bOperation Toggle / Rotary Toggle / Rotary Toggle / Rotary Toggle / RotaryBusbar Top - positions Top / Middle / Bottom Top - TopBusbar Back - positions Top / Bottom Top / Bottom Top / Bottom Top / BottomCable Access Front / Rear Front / Rear Front Front / Rear
Power Xpert CX® equippedwith Power Factor Correction.
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sophy of the system. CX isdesigned and tested to thecriteria for personnelprotection as described inIEC/TR 61641. The CXassemblies have been tested with optional arcmitigation features toimprove safety performanceunder arcing conditions.
In addition to the stringent typetest requirements laid down inthe IEC 61439 standard, CX issubjected to a full range ofroutine tests and a thoroughquality control regime.
Compartments for outgoingunits can be modifiedwithout process interruption
The design of the plug-in,removable and withdrawableunits offers optimum personnelprotection and rapid inter -changeability of the functionalunits without having to isolatethe entire system, incompliance with appropriatelocal regulations. This meansthat module replacements andadditions to the systemrequires minimum downtime.This enables safe andconvenient modification andexchange under energisedconditions.
Increased Robustness tomeet Seismic conditions
For increased robustness, theCX is available in a seismiccompliant version to level AG5of the IEC 60068-3-3 and IEEE 344.
Quality assurance inaccordance with DIN EN 9001/ISO9001 with routine testscarried out in ISO 9001certified Eaton manufacturinglocations
Various routine tests are carriedout during the production of the system. To assure quality,all processes are in accordancewith DIN EN 9001. This means that at every stage ofmanu facture and production,the cubicles and thecomponents; circuit-breakers,control components, currenttransformers and logic compo nents are all inspectedand tested in accordance withtheir own specific IEC standard.
When the entire installation has been assembled, athorough visual inspection iscarried out, together withmechanical, functional, andelectrical checks. As aminimum the routine testsrequired by IEC 61439 arecarried out on each panel.
Safety due to use ofstandardised componentswhich have a proven trackrecord of distribution andcontrol
CX uses standard Eatoncomponents, offering a widerange of distribution and motorstarter ranges and applications.The experience and proventrack record of thesecomponents like NRX, NZM,QSA, PKZ, PKE and DIL makeCX the system you can rely on.
Whether it is meeting the latest requirements of IEC 61439 for low voltageswitchgear, personal safetyunder arc fault conditionsaccording IEC/TR 61641,addressing safety concernswhile working near equipment,you can rely on Eaton’s 100year heritage and leadership inswitchgear design.
When it comes to system andprocess integrity, additionalsafety and uptime improve -ment features are included inthe Power Xpert CX® designs.Full compliance and arc faultthird party certificationaccording to IEC / TR 61641criteria 1-7 or the inclusion ofEaton’s patented ArcflashReduction Maintenance
System feature will increasethe safety of your operatingand maintenance personnel.
Complete design certified inaccordance with IEC 61439-2.
Eaton's proven technologieshave been integrated in thedesign and development of the latest generation CXswitch gear in order to ensurethe complete system flexibility,safety and uptime:
• IEC 61439-1/2 verification by test.
• Components meet therequirements of IEC 60947and related series of specificcomponent standards.
• Operator safety has beencentral in the design philo -
As standards evolve, and clients demand higher levels
of reliability and safety, Eaton meets these market
requirements with the latest technology.
Reliable and Safe in Operation
Standards and technology
Power Xpert™ XP - Busbar Trunking SystemsThe CX is designed and standardised to be used with Eaton’s Power Xpert™ XP busbar trunking program.
The sandwich-type design of XP makes it suitable for a widevariety of applications up to6300 A. The Power Xpert™ XPprogram ensures a significantlyreduced power loss comparedto using cables, saves energyand reduces emissions.
The XP system is available inratings from 800 - 6300 A. The XP low impedance rangehas been newly tested to IEC61439-6 and comes completewith IP55 as standard with shortcircuit capacities up to 100 kA.
• Aluminium range from 800 - 4000 A (tested to IEC 61439-6)
• Copper range from 800 - 6300 A (tested to IEC 61439-6)
XP busbars can be supplied invarying bar configurations from3 to 6 bars. The system can beadapted to any building typewith the wide variation ofaccessories available. An easilyassembled cassette type joint isprovided for 800 - 6300 Aratings.
A wide variety of angles andintersections are available, tap-off outlets up to three per 3 meter length, and tap-off unitsare simply plugged into position– a popular and well-provensolution for industries whereflexibility and adaptability areessential.
ZSI
Eaton ACB
Power supply influenced by short circuit within the zone
ZSI connection terminals
ZSI wiring and communication
tsd = 300 msACB 1
ZSItsd = 200 msACB 2
Zone 1
Zone 2
Zone 3
ZSItsd = 200 msACB 3
ZSItsd = 100 msACB 4
ZSItsd = 100 msACB 5
M 2
1
3
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Process changes, for
example the up rating of
motor power or exchanging
of compartments, may
require on-site modification
of motor starter circuits or
reconfiguration of
compartments. The CX
design is able to meet
these requirements under
live conditions.
In cubicles with a verticaldistribution busbar system,screening plates provideisolation from live parts allowingfor safe modification orexchange under live conditions.The distribution bars allow forthe connection of contactsalong its entire length thusallowing for the modification of outgoing compartment sizesto be safely carried out underlive conditions.
Compartment separation platesare secured at the front of thecubicle. The separation platescan be easily and quicklyremoved and secured in adifferent location to create anew compartment layout andsize all safely under liveconditions.
Flexibility and Safety - process changes under live conditions
Eaton Air Circuit Breakers
equipped with Zone
Selective Interlocking (ZSI)
will significantly reduce
incident energy levels.
With the ZSI technology anunneeded shut down of a totalassembly is prevented in caseof short circuit. ZSI is thecontrolling of the circuitbreakers to provide selectivitywith very short interruptiontimes for the breaker closest tothe fault. With ZSI integrated inyour assembly additionalcommunication between theACB trip units is established.This enables breakers, in caseof a short circuit, to trip fasterthan the trip unit settings whichwill reduce the incident energylevels dramatically.
Zone Selective Interlocking (ZSI)
Arcflash Reduction Maintenance System™Eaton Air Circuit Breakers equipped with Arcflash Reduction Maintenance System™
Personnel safety is of para -mount importance in today’swork environment. Of recentconcern is the potential forserious injury due to exposureto electrical arcs. There hasbeen significant researchperformed and recent standardshave been written to addressthe risks of arc flash hazards forpersonnel working on or nearenergized electrical equipment.
An Eaton air circuit breakerequipped with ArcflashReduction MaintenanceSystem™ can improve safety byproviding a simple and reliablemethod to reduce fault clearingtime.
Benefits of Arcflash ReductionMaintenance System™ are:
• Increased personnel safetyby limiting the available arcflash energy.
• Simple to operate.
• Enabled with the circuitbreaker door closed by adoor mounted lockableswitch or throughcommunication to thebreakers trip unit.
• Enabled only for the timerequired to perform the work.
• Preserves overcurrentcoordination under normalconditions.
Equipment downstream of a circuitbreaker equipped with an ArcflashReduction Maintenance System™
can have a significantly lowerincident energy level, thus protectingoperators or maintenance.
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Maximise the Uptime of your distribution system
BreakerVisu - Monitoring
Monitoring the energyconsumption is one of the keyelements for asset manage -ment. BreakerVisu supportsthis task by acting as anintegrated visualisation andlogging system within Power Xpert CX® switchgear.The BreakerVisu systemcollects data from devices likeAir Circuit Breakers, MouldedCase Circuit Breakers and FusedCombination Switches anddisplays the data on a panelmounted HMI. The operatingdata from the connecteddevices is communicated to theBreakerVisu panel via ModbusRTU or Eaton's
innovative SmartWire DTcommunication system. Theinformation can be obtained on-site through the BreakerVisuHMI or remotely whenconnected to your network orcontrol system.
BreakerVisu increases theuptime capabilities of thepower distribution system bynot only logging and displayingenergy consumption but alsoby providing predictivemaintenance information toreduce unexpected outages.BreakerVisu provides pre-warnings of overload beforebreakers will trip so that
preventive maintenance can beperformed before failure. Withthe new NZM Moulded CaseCircuit Breakers the uniquefeature BreakerHealth providesup-to-date status of thelongevity of the installed baseto BreakerVisu. BreakerHealthprovides Contact WearInformation and is registeringmechanical and electricaloperations providing lifespaninformation and warningmessages when the lifespan islow to support maintenanceand budget requirements forreplacement of breakers.
Eaton’s SmartWire-DTcommunication system is usedin CX to record information frommotor starters, soft starters andvariable frequency drives. The retrieved information istransferred via standard fieldbusprotocols to the higher-levelPLC. In a power distributionassembly SmartWire-DT collectsall relevant breaker information
in BreakerVisu. Thanks to theuse of intelligent SmartWire-DTswitchgear, this not onlyconsists of digital signals forswitching or monitoring ofpositions or overloadinformation but also analoguevalues such as the actualcurrent or the condition of a trip unit can be determined and evaluated.
SmartWire DT - Connectivity
Multiple critical businessservices are running withinbuildings, data centers orindustrial premises. Theseservices are vulnerable topower problems, both in termsof power availability and quality.To secure maximum uptime
CX is offering a wide range ofsolutions:
Multiple interlockingpossibilities
Restricted access to avoidhuman mistakes.
Zone Selective Interlocking(ZSI)
Preventing unneededshutdown in case of shortcircuit (see page 11).
Integrated metering solutions
Integrated metering solutionsfor real-time monitoring,overload pre-warning andbreaker health indication.
Automatic TransferSwitching systems (ATS)
Within CX the integration ofAutomatic Transfer Switchingsystems is playing an importantrole when maximising theuptime of an installation. Thesolutions we offer vary fromsynchronised switchingbetween two power sourceswith Eaton’s ATS-PWR up tocontrolling multiple transformerand generator feeds, switchingnumerous breakers with theOtonet system.
Power System Automation(PSA)
With Eaton’s Power SystemAutomation solutions wemaximise the uptime andresilience of a powerdistribution installation. PowerSystem Automation is the actof automatically controlling thepower system viaInstrumentation and Controldevices. The domain of PowerSystem Automation can besplit in two typical functions:
• Power System Control andPower Monitoring. PowerSystem Control covers logicand relay control schemeswith integratedfunctionalities like AutomaticSource Transfer, generatortest, load shedding, loadsharing and peak shavingand visualisation.
• Power Monitoring is thecollection of accurate data,providing trend information,including alarm and eventfunctions.
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Form of Internal Separation
Power Xpert CX® panels aredesigned around three differentareas:
1. The main busbar anddistribution busbar sectionsegregated from theequipment section.
2. The cabling section located in a separate fully segre gatedcable chamber for feedingcables to the functionalsections and/or housingcontrol and power cableterminations, depending onthe form of separation.
3. The equipment section at the front where thefunctional units are fitted.
IEC 61439-2 defines thevarious forms of internalseparation. The form of internalseparation determines howbusbars, functional units andterminals are separated fromeach other. CX is designed toprovide separation in Form 2b,3b, 4a and 4b solutions.
Form 3b, 4a and 4b are definedas: the separation of thebusbars from each functionalunit and the separation of eachfunctional unit from each other.
The difference between Form4a and Form 3b/4b is theposition of the terminals to thefunctional units. In a Form 4a
solution these terminals arelocated in the same compart -ment as the functional unit.
The difference between Form3b and Form 4b is based onhow the terminals for outgoingconductors are separated fromeach other.
Form 3b solution is defined as:the separation of terminals forexternal conductors from thefunctional units, but not fromthose of other functional units,i.e. a common cable chamberwhere all outgoing terminalsare grouped together. Internalseparation in accordance withIEC 61439-2.
Form 4b solution is defined as:the separation of the terminalsfor external conductorsassociated with a functionalunit from those of any otherfunctional unit and the busbars.i.e individual separation of eachfunctional units outgoingterminals from each other.
* BS-EN 61439 Compliance for Form 4a type 2 and Form 4b type 6 and 7. Form 4b type 6 is available as "compartmentalised" or "group-mounted".
Busbars (main + distribution) are separated from functional units
Functional units are separated from other functional units
Terminals are external to functional units
Terminations to functional units are separated from each other
Power Xpert CX® supportedforms of separation
Form 1 Form 2b Form 3a Form 4a* Form 4b*Form 3b
Internal separation in accordance with IEC 61439-2
✔
✔
✔ ✔ ✔ ✔
✔ ✔ ✔ ✔
✔✔
✔ ✔
✔
✔
✔
Terminals are separated from the busbars ✔✔
✔✔ ✔
✔
Form 4a with MCCB's on plug-in adapters and aremovable neutral link.
Form 4a with type QSA Fused Combination Switches.
1. Withdrawable Unit
2. Main Incoming Feeder Unit
3. Flushed key lockable doorhandles
4. Mounting Plinth
5. Outgoing Cable ConnectionCompartment
6. Auxiliary Control VoltageBusbar
7. Control Circuit TerminalBlock - can be shrouded toprovide Form 4b form ofseparation
8. Main Power Terminal Block -can be shrouded to provideForm 4b form of separation
Motor Control Panels (example)
2
3
1
54
876
14
Design Withdrawable Technology
Distribution Busbar System
For cubicles with outgoingwithdrawable units, verticalbusbars are rated at 1000 A and2000 A and up to 80 kA / 1 sallowing a high density ofoutgoing units to reduce thetotal footprint of the installation.
A protective shield whichcovers the entire height of thebar system, guarantees a levelof protection IP2x againstaccidental direct contact whenthe drawer has been removedand when the door is open. Anautomatic shutter mechanismcan be fitted as an option toincrease this level ofprotection.
IP2x shielding of the vertical busbar , the outgoingcontacts , and auxiliary contacts .2 3
1 As an option the level of safety can be increased byadding an automatic shutter that totally shields theempty functional unit from the busbar area.
4
Switchgear and controlgear compartments for withdrawable units
1 2 34
Front view of a withdrawable motor starter unit up to 15 kW (75 mm).
Rear view of a withdrawable motor starter unit up to 15 kW (75 mm).
15
Draw out units
The outgoing units are availablein the following heights basedon a 75 mm height pitch:
Height Motorof unit Starter Feeder
75 mm 15 kW 32 A150 mm 45 kW 175 A225 mm 75 kW 200 A300 mm 90 kW 225 A450 mm 160 kW 400 A600 mm 200 kW 630 A750 mm 250 kW NA
The units connect directly tothe distribution bars and can beadditionally protected by anoptional automatic shutter. The design of the unit enablesauxiliary components to be
located in an optimized waybecause of the innovative useof Eaton's patented DINMounting Rail. This allows formaximum usage of thecompartment space, enablinga very easy and flexible wayto upgrade or make additionsto the withdrawable units.The cable connections formain and auxiliary circuits areaccessible through thecableway in either a Form 3bor 4b separation solution.
All the withdrawable units areavailable for distribution andmotor control functionality. Up to 25 drawers of 75 mmcan be installed in one panelto reduce footprint andmaximize density.
The withdrawable units in
CX are designed around
safety, ease of operation
using Eaton's patented
mechanical test posit ion,
ergonomic design and
flexibility. These units can
be easily exchanged
without having to
disconnect any power or
control cabling.
The following positions areavailable for each unit:
• Connected position
- Connected - ON
The unit is inserted, maindisconnect is closed, mainand control circuit isconnected.
- Connected - OFF
The unit is inserted, maindisconnect is open, mainand control circuits areconnected, padlocking ispossible.
• Test position
The unit is partially with -drawn and is separated 30 mm from the distributionbars, main disconnect isopen, main circuit isdisconnected, control circuitis connected, the test buttonis illuminated, padlocking ispossible.
• Disconnected position
The unit is partiallywithdrawn and is separated45 mm from the distributionbars, main disconnect isopen, main and controlcircuits are disconnected,padlocking is possible
• Removed unit
The unit is completelywithdrawn from the motorcontrol center and theoptional dummy unit can beinserted.
When the unit is in the "ON"position, the mechanical testposition mechanism isinterlocked with the operatingshaft of the main disconnectdevice (MCP) to ensure thatthe compartment can not bewithdrawn.
All positions are also clearlymarked on the drawer positionindicator strip with the blue(test) and green (disconnect)colours for extra visual aid.
The units are fully withdrawablewithout using tools and thedifferent positions of with -drawable parts (connected,test, isolated and removed) willbe achieved in accordance withtable 103 of IEC 61439-2.
The degree of protection in thetest and isolation position shallbe at least IP3X. This allowsthe operator to leave thecompartments in the panelwhen in the various positionswithout impacting the integrityof the complete system.
Unique Mechanical Test Position of MCC Withdrawable Units
Connected position - ON Test position
Test button is illuminated and colour blue visible.Disconnected position
Colours green and blue are visible.
16
Design philosophy of MCC Withdrawable units
The International Electro -technical Commission (IEC)developed short circuitperformance criteria forcontactors and motor starterscalled Type 1 and Type 2coordination. This standarddefines motor controllerprotection levels following ashort circuit fault.
Performance levels
Either Type 1 or Type 2coordination are determined bythe level of damage tocomponents within a motorcontroller after a short circuit
fault on the outgoing side ofthe controller. The combinationof a motor controller (contactoror starter) and short circuitprotective device (manualmotor protector, circuit breakeror fuse) must meet thefollowing criteria as specifiedby IEC 60947-4-1.
Motor controllers with Type 1coordination protection levelare allowed to have significantdamage after a short circuit andmay not be suitable for furtherservice without repair andreplacement of parts.
Type 2 coordination protectionprovides confidence that themotor control components willbe operable following a shortcircuit fault. This reusabilitytranslates into huge savingsdue to reduced downtime andreplacement costs.
CX motor control units aredesigned and tested to provideType 2 protection in the entiresystem thus ensuring thehighest uptime during itslifetime.
Type 2 Coordination
M2L Integrated Power Distribution SystemCompact, integrated solution for medium voltage connection, transformer and low voltage distribution
Eaton has power distributionproducts from medium voltagedown to low voltage level. The M2L electrical distributionsystem integrates theseproducts into a completefactory build solution, whichcombines the medium voltage
connection and the low voltagedistribution, includingtransformer. A turnkey solutionwhich offers significantbenefits, in terms ofinvestment and usage, forinstallers and end customers:
• Minimise expensive lowvoltage cables
• Limit power losses in thecables
• Limit assembly costs
• Save on building costs forthe technical room
• Very short assembly time
• Factory tested
M2L-configuration with 24 kV Xiria medium voltage switchgear, 1600 kVA dry-type transformer and Power Xpert CX®.
17
Intelligent Motor Control Centerwith Eaton’s C400 series electronic overload relays
Eaton’s C440 electronicoverload relays provide reliable,accurate and value-drivenprotection – includingcommunications capabilities ina single compact device. Theelectronic design of Eaton’sC440 electronic overload relaydelivers enhanced motorprotection based on the abilityto directly monitor motorcurrent in each phase. Thermalmodeling is performedelectronically with precisionsolid-state components. Theelectronics accurately identifyexcessive current or phase lossand react to the condition withgreater speed, reliability andrepeatability than a traditionalelectromechanical device.
The C440 overload relay isdesigned to provide enhancedprotection over competitivemodels. The C440 provides
predictive indication via an LEDindicator. At a glance, you candetermine the status of theoverload as well as animpending trip to provideenhanced protection of yourmost important assets.
• Extends the life of plantassets with selectable motorprotection features such astrip class, phase imbalanceand ground fault eliminatingthe need for separateCurrent Transformers andspecialty modules
• Status LED provides addedassurance that valuableassets are protected byindicating the overloadoperational status
• Improves return oninvestment by reducinginventory carrying costs withwide FLA adjustment (5:1)and selectable trip class
• Flexible communication(PROFIBUS, Modbus RTU,Modbus TCP, EtherNet/IP,and DeviceNet) with optionalI/O enables easy integrationinto plant managementsystems for remotemonitoring and control
The Power Xpert™ C445 globalmotor management relay isEaton’s newest addition to theC400 series of advanced motorprotection. The Power Xpert™
C445 is fully configurable,providing the highest level ofmonitoring accuracy andprotection for the entire powersystem – from the incomingpower source feeding the motorall the way to the individualpump or load. By utilizingintegrated power quality andenergy usage analytics alongwith built-in efficiency anddeviation algorithms, users cansave significant energy coststhrough simple indication ofunwanted changes in energyusage. With advanceddiagnostics like performancetrending, fault
analysis, and high-accuracy datamonitoring, users can prioritizetheir maintenance schedules toaddress the most criticalpending issues in their systemfirst - before a catastrophicfailure occurs.
• By separating the monitoringand control functionality intoseparate modules, users caneasily customize the PowerXpert™ C445 mountingconfiguration to match theirindividual application.
• The Power Xpert™ C445global motor managementrelay enables users toaccess, monitor, andconfigure data parameterswithin the device withoutopening the panel door via a standard USB port on thefront of the user interface.
• This module also offers localstatus indication, control, andfault diagnostics, thusproviding greater systemawareness with a variety offixed and customizable LEDindicators.
• To configure the PowerXpert™ C445, users can utilizeEaton’s Power Xpert™
inControl programmingsoftware.
• In addition to this softwaretool, the Power Xpert™ C445can be easily integrated into avariety of PLC and DCSsystems through integratedcommunication protocolsincluding Modbus RTU,PROFIBUS, Modbus TCP, andEtherNet/IP.
To provide reliable, accurate, and intelligent motor
protection, CX utilizes Eaton’s C400 series of advanced
motor protection. Eaton’s C400 series provides varying
levels of electronic overload devices to enhance energy
awareness, improve diagnostic capability, increase
operator safety, and maximize uptime through superior
monitoring and protection.
Motor failure has the potential to cause production downtime,costly repair bills and numerous safety concerns for plantpersonnel. For these reasons, motor protection is a key element in protecting an organization’s most valuable assets. Selectingaccurate and reliable motor overload protection is the best way to manage costs and maintain system integrity.
C440 Electronic Overload relays Power Xpert™ C445 Electronic Overload relays
Protection C440 C445
Thermal Overload n n
Phase loss n n
Selectable trip class n n
Ground fault n n
Current unbalance - n
Voltage unbalance - n
Phase Reversal - n
Jam - n
Under/Overpower - n
Under/Overvoltage - n
Under/Overcurrent - n
Under/Over Frequency - n
Voltage Loss Restart - n
Stall - n
Instantaneous Overcurrent - n
PTC (Motor Temperature) - n
Energy Deviations - n
Voltage Loss Restart - n
Monitoring C440 C445
Thermal capacity n n
Phase currents n n
Current unbalance n n
Ground fault current n n
Frequency - n
Voltage unbalance - n
Phase voltages - n
Real Power (kW) - n
Under/Overpowe trip - n
Under/Overvoltage trip - n
Under/Overcurrent trip - n
Motor Start Time/Count - n
Motor Efficiency - n
Motor Speed - n
Control C440 C445
Hard wire / local reset n n
Network/electronic reset n n
Programmable alarms - n
Programmable trips - n
Multiple Operating Modes - n
Control User Interface - n
Communications C440 C445
Modbus RTU n n
PROFIBUS n n
Modbus TCP n n
Ethernet / IP n n
DeviceNet n FutureUSB - n
18
Main components for distribution and MCC
Power Xpert CX® uses only the best components in
the design of the structure and in the functional units.
Eaton power switching and protection components are
among the best in the world. A system is only as
strong as its weakest link and so the quality of the
individual components used determines the
performance and quality of the system as a whole.
Eaton delivers CX with Eaton'sAir Circuit Breaker (ACB),Moulded Case Circuit Breaker(MCCB) and Fused CombinationSwitch functionality.
Understanding the interactionof each individual componentand how they operate within acomplete system is essential todelivering a fully type tested,
reliable and efficient powerdistribution and motor controlapplication. All the criticalcomponents used in CX areEaton components. Rangingfrom the Main IncomingFeeders to the pushbuttonsand indication lights all thecomponents come from Eaton.
Eaton components are:
Air Circuit Breakers
• Tested according the IEC 60947-2
• Ranging up to 6300 A - 100 kA / 1 s
• Comprehensive andinnovative electronic Digitriptrip unit range (LSIG)
• Fixed and withdrawablemounting
• Complete with extensiverange of accessories
• Zone Selective Interlocking
• Arcflash ReductionMaintenance System™
Eaton type Magnum and NRX Air Circuit Breakers
Moulded Case Circuit Breakers and Motor Circuit Protectors
• Only 4 frame sizes cover upto 1600 A - 100 kA
• Up to 690 V - 80 kA
• Innovative switchingtechnology with a doublebreak contact system speedsup the switching process
• Universal and modularaccessories
• Eaton BreakerHealthdiagnostics available foraccurate lifecycle status(wear indication)
• Plug-in adapter available up to500 A for flexible and safeinstallation
Eaton type NZM Moulded
Case Circuit Breakers
• Only 2 variants for PKZ tocover the entire range from0.1 to 65 A
• PKE enables a wide range of electronically-controlledsettings
• Common range of accessoriesfor PKE and PKZ includingSmart-Wire DT
• No need for additional currentlimiters
Eaton type PKZ and PKE
Motor Protective Circuit
Breakers
NZM plug-in adapter
19
• Switches will accommodateup to 630 A DIN fuses and upto 800 A BS fuses
• Only 3 frame sizes coveringthe entire range
• Double break per phase
• Mounted on smart andremovable adapter to increaseflexibility, safety and optimalperformances duringoperation and maintenance
• With patented snap-on CTaccommodation
Eaton type QSA Fused
Combination Switches
Contactors and Fused Combination Switches
• Tested according IEC 60947-2for a complete range of motorstarter types like Direct-on-line(DOL), Forward-Reverse andStar Delta
• Type 2 co-ordination motorstarter combination with PKZ,PKE and NZM circuit breakers
Eaton type DILM Contactors
• DC1 Compact Drive for fans,pumps, and conveyor systems(ratings from 0.37 to 11 kW)
• DA1 Advanced MachineryDrive (ratings from 0.75 to250 kW)
• Compliant with IE2, IE3, andfuture IE4 energy efficiencystandards
• Smart-Wire DT provides directaccess to all Soft Starterparameters
Eaton type PowerXL™
Variable Frequency
Drives
Soft Starters and Variable Frequency Drives
C400 Series Electronic Overload relays
• Soft starting: the modernalternative to star-delta starters
• Designed for applications suchas pumps, fans and smallconveyors, the compact DS7 is ideal
• For kW ratings up to 110 kW
• Smart-Wire DT provides directaccess to all Soft Starterparameters
Eaton type DS7 Soft Starters
• 0.3 - 820 A, Up to 690 Vac(20 - 80Hz)
• Full line, load, and motorsystem coverage includingadvanced monitoring andprotection algorithms
• Multiple predefined operatingmodes with correspondingcontrol station optionsreduces complexity
• Modbus RTU, PROFIBUS,Modbus TCP, and EtherNet/IP
Power Xpert™ C445
Electronic Overload
relays• 0.3 - 1500 A, Up to 690 Vac(50/60 Hz)
• Selectable trip class (10 A,10, 20, 30), earth fault, andphase imbalance protections
• Flexible communicationoptions for both monitoringand control
• PROFIBUS, Modbus RTU,Modbus TCP, EtherNet/IP,and DeviceNet
C440 Electronic
Overload relays
= Personal safety
= SmartWire DT
= Energy efficiency
= Maintenance friendly
20
Global Customer Experience
CX is offered globally by ourlocal plants, providing localaccess to an internationallyrecognised and standardiseddesign CX.
We can offer customers theplatform CX in the samestandards worldwide.
CX is part of Eaton’s globaloffer for power distribution andmotor control switchgear. Theproduction takes place inmultiple plants all over theworld. Customers can benefitfrom local presence and globalavailability.
A global product does notmean lack of focus on localrequirements. Items like localstandards, wiring practices,customer contact and utilityrequirements are fulfilled whilemaintaining the advantages of a worldwide manufacturer.
Using Eaton’s standard confi -guration tools to reduce lead-time and costs of engineeringwill help drive the total projecttime and budget down.
Personal contact plays a crucialrole between people despiteautomated logistics and globalavailability. This directconnection with customers,their requirements andchallenges, is indispensable.
That is why Eaton offersefficient service at a local levelthroughout the world.
Whether it is the main incomer,the contactor or the pushbuttonin the compartments, every -thing comes from the samesource: Eaton. That is why CXis designed to meet the beststandards in product technologywith local service and support.
Power Xpert CX® is Eaton’s global platform
Enables customers to standardise globally on their LV system solution
Power Xpert CX®
Power Distribution with focus on footprintreduction to limit theneed for increased non-revenue generatingfloor space.
21
Customers of Eaton benefit
from a worldwide network of excellence
22
Power Breaker (ACB and MCCB) sections
Busbar Top configurations
Busbar Back configurations
Busbar Type BBB BBB BBB
Stacking Configuration Single Side-by-Side Stacked
Busbar Back position Top and/or Bottom Top and/or Bottom Top and/or BottomDevices Frame rating NZM3 up to 630 A 4 4
NZM4 up to 1600 A 4 4
NRX NF up to 1600 A 4 4 4
NRX RF up to 4000 A 4 4
Magnum up to 6300 A 4
Standard dimensions (mm) Height 2000 2000 2000 Width 425/600/800/1000/1100/1200/1350 600/800/1000 425/600/800 Depth 600 - 1000 600 - 1000 600 - 1000
Busbar Type BBT BBT BBT
Stacking Configuration Single Side-by-Side (stacked) Stacked
Busbar Top position Top and/or Bottom Middle and/or Top/Bottom Middle and/or Top/BottomDevices Frame rating NRX NF up to 1600 A 4 4 4
NRX RF up to 4000 A 4 4
Standard dimensions (mm) Height 2000 2000 2000 Width 425/600/800/1000/1100/1200/1350 800/1000 425/600/800 Depth 800 800 800
2000 mm
100/200 mm
425 - 1350 mm 175 -
600 mm 425 -700 mm 175 -
600 mm
600 -1000 mm
2000 mm
425 - 1350 mm300 mm 600 mm
800 mm
100/200 mm
23
Electrical Data
Standards
General dimensions (mm)
Power Xpert CX® complies with the following international standards
IEC 61439-1 General rulesIEC 61439-2 Power switchgear and controlgear assembliesIEC/TR 61641 Ed 2.0 Enclosed low-voltage switchgear and controlgear assemblies - Guide for testing under conditions of arcing due to internal faultIEC 60529 Degrees of protection (IP Code)IEC 60068-3-3 Environmental testing - Part 3: Guidance. Seismic test methods for equipmentIEEE 344 IEEE Recommended Practice for Seismic Qualification of Class 1E Equipment for Nuclear Power Generating StationsIEEE 693 IEEE Recommended Practice for Seismic Design of SubstationsIBC International Building Code
System Power Xpert CX®
Rated operational voltage 380 - 690 VacRated frequency 50 / 60 Hz
Main busbar data
Rated insulation voltage 1000 VacRated impulse withstand voltage up to 12 kVRated current 800 - 5500 ARated short-time withstand current 50 - 100 kA / 1 s and 50 - 66 kA / 3 sRated peak withstand current 220 kA
Vertical distribution busbar data
Rated insulation voltage 1000 VacRated impulse withstand voltage up to 12 kVApplication Fixed / Removable / WithdrawableRated current 800 - 2500 ARated short-time withstand current 35 - 80 / kA 1 sRated peak withstand current 176 kA
Enclosure data
Degree of protection IP31 / IP42 / IP55Form of separation Form 2b / Form 3b / Form 4a & 4b Form 4a type 2 / Form 4b type 6 & 7Entry of cables Top and / or bottomAccess Front or rearStandard Colour RAL 7035
Busbar Back configuration Busbar Top configuration
Eaton Electric LimitedGrimshaw LaneMiddletonManchester M24 1GQUnited Kingdom
Customer Support CentreTel.: +44 (0)8700 545 333Fax: +44 (0)8700 540 [email protected]/electrical
Eaton Electric (South Africa) (Pty) LtdOsborn Road, Wadeville,1428 Gauteng, South Africa
Tel.: +27 (0) 11 824-7400Fax: +27 (0) 86 861 [email protected]
Eaton Industries (Netherlands) B.V.P.O. Box 237550 AA HengeloThe Netherlands
Tel.: +31 (0)74 - 246 40 10Fax: +31 (0)74 - 246 40 [email protected]
Eaton FZE (Dubai Branch)P.O Box 261768Techno Park, DubaiUnited Arab Emirates
Tel.: +971 4 806 6100Fax: +971 4 889 [email protected]
© 2014 Eaton CorporationAll rights reserved.
Form No. BR043003EN / 6095821April 2014
At Eaton, we’re energized bythe challenge of powering aworld that demands more. Withover 100 years experience inelectrical power management,we have the expertise to seebeyond today. From ground -breaking products to turnkeydesign and engineering services,critical industries around theglobe count on Eaton.
We power businesses withreliable, efficient and safeelectrical power managementsolutions. Combined with ourpersonal service, support andbold thinking, we are answeringtomorrow’s needs today. Follow the charge with Eaton.Visit eaton.com/electrical.
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Capitole 403 Power Xpert CXH™4 Busbar trunking5Power Xpert CX®2Capitole 201
