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ABB monitor CM 1SVR730840R0400
ABB monitor CM 1SVR730840R0400 — front view from the right

ABB monitor CM 1SVR730840R0400

Ref. no. 1SVR730840R0400ABBEAN 4016779852241
  • BrandABB
  • SeriesCM
  • Depth103.7 mm
  • Maximum permissible trip delay time without holding30 s
  • Maximum permissible delay time30 s
  • Operating voltage at AC 50Hz230 V
  • Operating voltage from 60 Hz AC mains230 V

All parameters ›

Description

The CM-SRS.21S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supp

Technical data

SeriesCM
Electrical
Operating voltage at AC 50Hz230 V
Operating voltage from 60 Hz AC mains230 V
AC supply voltage 50Hz24–240 V
AC 60 Hz supply voltage24–240 V
DC supply voltage24–240 V
Current measurement range0.1–100 A
Rated switching current4 A
Number of normally closed (NC) contacts2
Number of normally open (NO) contacts2
Number of switching contacts2
1-phase overcurrent monitoring possibleYes
3-phase overcurrent monitoring possibleNo
3-phase undercurrent monitoring possibleNo
1-phase undercurrent control possibleYes
1-phase hysteresis monitoring possibleYes
3-phase hysteresis monitoring possibleNo
Current typeAC/DC
Operating voltage current typeAC
External power supply requiredYes
With removable terminals, clampsNo
Includes DC voltage monitoring functions - undercurrentYes
Contains constant voltage control functions-current increaseYes
External current transducerNo
Mechanical
Depth103.7 mm
Width22.5 mm
Height85.6 mm
Other
Maximum permissible trip delay time without holding30 s
Maximum permissible delay time30 s
DC monitoring function - hysteresisYes
Type designationCM-SRS.21S

Documents

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Product safety information (GPSR)

Manufacturer
Legrand SNC, 128 avenue du Maréchal de Lattre de Tassigny, 87045 Limoges Cedex, France · www.legrand.com
Responsible person in the EU / importer
Legrand Polska sp. z o.o., ul. Waryńskiego 20, 57-200 Ząbkowice Śląskie, Poland · www.legrand.pl