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Phase�sequence�monitoring�relay

Part�no. EMR4-F500-2

Article�no. 221784

• Monitors three-phase systems for phase sequence and phase failure (< 0.6 x Ue)• Supply voltage = voltage being monitored

ProgramRange     EMR4+EMR5 measuring and monitoring relays

Basic function     Phase sequence relays

      Monitors three-phase systems for phase sequence and phase failure (<0.6 x Ue)Supply voltage = voltage being monitored

Monitoring voltage per phase UN VAC

200 - 500 V AC, 50/60 Hz

Contact sequence    

Supply voltage   VAC

200 - 500 V AC, 50/60 Hz

ApprobationenUL approval YesCSA approval YesProduct Standards IEC 255-6; UL 508; CSA-22.2 No. 14-05; CE markingUL File No. E29184UL CCN NKCR, NKCR7CSA File No. 203843CSA Class No. 3211-03NA Certification UL listed, CSA certifiedDegree of Protection IEC: IP20, UL/CSA Type: -

Technical�data�in�sheet�catalogueOther technical data (sheet catalogue)     Phase sequence relays

Technical�data�according�to�ETIM�4.0Voltage type for actuation     AC

Function undervoltage detection     YES

Rated control voltage Us at AC 60HZ   V 500

Number of contacts as changeover contact     2

Width   mm 23

Type of electric connection     Screw connection

Voltage measurement range   V 500

Function overvoltage detection     No

With detachable terminals     No

Height   mm 78

Depth   mm 110

Function phase failure detection     YES

Rated control voltage Us at DC   V 0

Rated control voltage Us at AC 50HZ   V 500

Number of contacts as N/O     0

      0

Function unbalance detection     No

Number of contacts as N/Cs     0

Function phase sequence monitoring     YES

Max. permitted response delay time   s 0

01/23/2012 Eaton Industries GmbHhttp://www.moeller.net/en

© 07/2011 by Eaton Industries GmbHHPL-ED2011 V2.0 EN

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Dimensions

Additional�product�information�(links)AWA2431-1863 (IL04914001Z) Phase sequence relay ftp://ftp.moeller.net/DOCUMENTATION/AWA_INSTRUCTIONS/18630200.pdfEngineeringFlow diagrams ftp://ftp.moeller.net/DOCUMENTATION/PDF/GB/CHA_EMR4_Phasenfolgerelais_g.pdf

Limit curves ftp://ftp.moeller.net/DOCUMENTATION/PDF/GB/CHA_EMR4(22_5)(45_0)_de.pdf