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Auto Source
Change Over
with
Current Limiter
www.prokdvs.com
An ISO 9001 : 2008 Company
www.prokdvs.com
An ISO 9001 : 2008 Company
Auto S
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Chan
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Curren
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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
Ÿ
Ÿ Microcontroller based, hence precise and accurate
Ÿ It measures load current – true RMS
Ÿ Over Voltage and Under Voltage cut-off for EB and DG(optional)
Ÿ Significant saving on wall space and wiring.
Ÿ In Single Phase ACCL during the event of change over from DG to EB the neutral is
first isolated, then the phase is isolated.
Ÿ Tropicalized and Rugged design.
Ÿ Three Phase DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER
CUM / WITH CURRENT LIMITER (ACCL) are enclosed in aesthetically made powder
coated sheet metal enclosures.
Ÿ Single Phase DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER
CUM / WITH CURRENT LIMITER (ACCL) are enclosed in ABS grade Thermo plastic
enclosure.
Ÿ LED indication of all operational status.
Ÿ Two line 16 Character LCD with Back-lit, Displays Voltage, Current and Frequency
(Three Phase). Mechanical inter-lock between 4 pole contactors in three phase
models.
Ÿ ACCL are provided with different ON-TIME delay, so that generators are not loaded
suddenly. This feature enhances the life of the generators and switchgear. Teflon
wires having very high insulations are used for the internal wiring.
Ÿ Wiring connections-using insulated feed trough terminal blocks for Three Phase
models.
Benefits:
www.prokdvs.com
An ISO 9001 : 2008 Company
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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT
LIMITER (ACCL)) For Single Phase and Three Phase Application
Specifications
DG LED blinks(Optional) Over Load on DG -
Trip LED ON Over Load Over Load
Trip LED Blinks Lock Out Mode -
Relay Contact Rating 240V AC, 30A Max Makings (t iRvee)s i -
Reset Manually Through RESET Switch on the unit
Manually Through RESET Switch on the Unit
SINGLE PHASE MODEL
EB MAXIMUM LOAD CURRENT
DG MAXIMUM LOAD CURRENT MOUNTING
DIMENSION (mm)
ACCL 1 PHASE EB 1PHASE EG
30 AMPS
0.5-20 AMPS USER DEFINED FACTORY SET
(in steps of 0.5 Amps)
DIN 80 X 94 X 76 (Existing)
80 X 95 X 75 (New)
THREE PHASE MODELS
EB LOAD MAXIMUM PER PHASE AC1 DUTY CONTACTOR RATING
DG LOAD MAXIMUM PER PHASE MOUNTING
DIMENSION (mm)
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE
20 AMPS / PHASE 0-20 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE 3 PHASE DG 4 WIRE
25 AMPS / PHASE
0-25 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE
32 AMPS / PHASE
0-32 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE
40 AMPS / PHASE
0-40 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE
63 AMPS / PHASE
0-63 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 280X175X193
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE
20 AMPS / PHASE
0-20 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE 25 AMPS / PHASE
0-25 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE
32 AMPS / PHASE
0-32 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE 40 AMPS / PHASE
0-40 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 153X137X200
ACCL 3 PHASE EB 4 WIRE
3 PHASE DG 4 WIRE 63 AMPS / PHASE
0-63 AMPS/PHASE USER DEFINED FACTORY SET
SURFACE 280X175X193
SPECIFICATIONS Single Phase ACCL Three Phase ACCL
EB Input 240V AC, 50 Hz 415V AC, 50 Hz, 3Ph 4W
DG Input 240V AC, 50 Hz 415V AC, 50 Hz, 3Ph 4W
LCD Display - 2 line 16 Character back-lit LCD
EB LED ON Load on EB Load on EB
DG LED ON Load on DG Load on DG
EB LED blinks(Optional) Over Load on EB -
www.prokdvs.com
An ISO 9001 : 2008 Company
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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
All the 3 phase models will display the main voltages of 3 Voltages, 3 Currents and Frequency in EB and DG present through the LCD and trip indication through LED.
Optional:
1) In ACCL 3 phase 4 wire EB and single phase DG ACCL can be tailored to the customer specification like current setting on the ACCL DG as arithmetic/ cumulative sum of currents.
2) The 3 Phase ACCL with field selectable 50% - 100% of load current on DG is optional.3) Only ACCL logic can supplied for current rating 70 Amps and above i.e. without
contactors, Bus Bars and CT's
4) EB Current limiting is provided as per the customer requirement (as an optional feature).
ACCL ORDERING INFORMATION:
Specify: 1) Single Phase/ Three phase
2) Current rating on EB & DG3) Individual Phase Current/Arithmetic sum of phase currents( 3 Ph. ACCL)4) Over/Under Voltage Limits(Optional)
` 5) Duration and Number of ON/OFF Cycles Current setting cannot be Greater than the Contactor rating
www.prokdvs.com
An ISO 9001 : 2008 Company
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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
PROK DV'S DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
Ÿ While monitoring the Generator supply, Allows only limited load and functions as load
limiter as per desired current.
Ÿ Current sealing while monitoring the DG and EB will be factory-Set.(Field selectable
Model-Optional)
Ÿ Whenever the load current exceeds the preset limit, power is automatically switched-
off and resets after 9sec and trips again if the overload exists, this cycle is ( 3Sec ON &
6Sec OFF) is repeated every nine seconds. If overloading on DG persists the ACCL
enters lock out mode after 5 ON & OFF cycles. The unit can be reset manually by
reset switch. However tailor made units i.e field adaptable as per customer
requirement can be provided as it is a microcontroller based.
Ÿ Display of each Phase Voltage, Current and Frequency in Three Phase ACCL by 2 line
16 character LCD.
Ÿ Over Voltage and Under Voltage cut-off limit for both EB and DG and is optional
Ÿ On the resumption of the EB main supply, ACCL changes over from DG to EB and
allows the full load current.Ÿ
Features
S P E C IF IC A T IO N S S IN G L E P H A S E A C C L T H R E E P H A S E A C C L
T e c h n o lo g y M ic ro p ro ce s so r B a se d . H e n c e p re c is e m e a s u re m e n t
M ic ro p ro ce s so r B a se d . H e n c e p re c is e m e a s u re m e n t
F re q u e n c y 5 0 H z 5 0 H z
D is p la y L E D in d ic a t io n s ta tu s 2 L in e 1 6 c h a ra c te r L C D d isp la y L E D In d ic a t io n s fo r D G P re se n c e , E B D is p la y o f O v e r lo a d e d p h a s e D is p la y o f U V tr ip & O V tr ip
T r ip T im e a n d O F F t im e T r ip t im e O N - 3 S e c O F F T im e - 6 S e c F iv e O N & O F F C y c le s (o th e r t im in g s a n d cy c le s ca n b e p ro v id e d a s p e r th e c u sto m e r re q u ire m e n t)
T r ip t im e O n - 3 S e c O F F T im e - 6 S e c F iv e O N & O F F C y c le s (o th e r t im in g s a n d cy c le s ca n b e p ro v id e d a s p e r th e c u sto m e r re q u ire m e n t)
O u t P u t C o n ta c t T y p e E le c tro m e c h a n ica l R e la y 4 P o le C o n ta cto rs
P ro te ct io n fo r C h a n g e O v e r B re a k N e u tra l b e fo re b re a k in g th e P h a s e
4 P o le C o n ta c to rs
E B M a x . L o a d C u rre n t 3 0 A 2 0 A m p , 2 5 A m p , 3 2 A m p , 4 0 A m p a n d 6 3 A m p . A b o v e 6 3 A m p o n ly lo g ic s h a ll b e p ro v id e d .
D G C u rre n t R a n g e ( F a c to ry S e t) 0 .5 A to 2 0 A F a c to ry S e t In s te p s o f 0 .5 A m p
0 -2 0 A , 0 -2 5 A , 0 -3 2 A , 0 -4 0 A ,a n d 0 -6 3 A D e p e n d in g o n th e M o d e l in s te p s o f 0 .5 A m p
U n d e r a n d O v e r V o lta g e p ro te c t io n U V 1 6 0 V -2 0 0 V F a cto ry S e t O V 2 5 0 V -2 8 0 V F a cto ry se t ( C a n b e p ro v id e d a s a n o p tio n a l fe a tu re )
U V 1 6 0 V -2 0 0 V F a cto ry S e t O V 2 5 0 V -2 8 0 V F a cto ry se t ( C a n b e p ro v id e d a s a n o p tio n a l fe a tu re )
M o d e ls 1 p h a s e E B & 1 p h a se D G 3 P h a se E B & 3 P h a s e D G 3 P h a se E B & 1 P h a s e D G (O p t io n o f s u m m a tio n c u rre n t a lso a v a ila b le )
P ro d u ct g u a ra n te e F o r 1 8 M o n th s F o r 1 8 M o n th s
E B C u rre n t lim it in g E B C u rre n t L im it in g is a v a ila b le a s p e r C lie n ts re q u e s t( A s o p t io n a l )
E B C u rre n t lim it in g is a v a ila b le a s p e r C lie n t re q u e s t(A s o p t io n a l)
E n c lo s u re A B S G ra d e th e rm o p la st ic P o w d e r c o a te d s h e e t m e ta l e n c lo s u re
M o u n t in g D IN S U R F A C E
D im e n s io n s (m m ) 7 0 X 1 0 5 X 6 0 (E x is t in g ) 8 0 X 9 5 X 7 5 (N e w )
1 5 3 X 1 3 7 X 2 0 0 ( U p to 4 0 A ) 2 8 0 X 1 7 5 X 1 9 3 ( U p to 6 3 A )
www.prokdvs.com
An ISO 9001 : 2008 Company
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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
MECHANICAL DIMENSION OF SINGLE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
Existing Model New Model
MECHANICAL DIMENSION OF THREE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL) – (63Amps)
www.prokdvs.com
An ISO 9001 : 2008 Company
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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
WIRING DIAGRAM FOR THREE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
MECHANICAL DIMENSION OF THREE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL) – (40Amps)
www.prokdvs.com
An ISO 9001 : 2008 Company
Auto S
ource
Chan
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ver w
ith
Curren
t L
imit
er
DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
WIRING DIAGRAM FOR SINGLE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
WIRING DIAGRAM FOR THREE PHASE AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER
ACCL- LOGIC
www.prokdvs.com
An ISO 9001 : 2008 Company
Auto S
ource
Chan
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ver w
ith
Curren
t L
imit
er
DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)
ISO 9001-2008
Prok Devices Private LimitedSIMHADRI ,No.2930, 14 th Cross,
Banashankari II nd Stage, Off K.R. Road,Bengaluru-560070Karnataka,India
Tel:+91 80 43487777/26760718/26761719Fax:+91 80 26761720
For Marketing Information & Assistance
For Product Information & Technical Details
For Service Information
[email protected]@prokdvs.com