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ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
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ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY

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MOQ : 1 Piece

ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY Specification

  • Phase
  • Single-phase and three-phase systems
  • IP Rating
  • IP20
  • Cable Length
  • Depends on installation
  • Automation Grade
  • Automatic
  • Frequency
  • 50/60 Hz
  • Features
  • LED status indicators, adjustable sensitivity, auto/reset selectable, test/reset function
  • Remote Control
  • Yes
  • Mounting Type
  • DIN Rail Mounting
  • Application
  • Monitoring of earth fault/ground fault current in AC systems
  • Load Capacity
  • 6 A @ 250 V AC (relay output)
  • Control Type
  • Electromechanical relay output
  • Weight
  • approx. 150 g
  • Sensor Type
  • Toroidal/CT input (external) for earth leakage sensing
  • Connectivity Type
  • Screw terminal connection
  • Material
  • Plastic housing with electronic components
  • Power
  • Not Applicable (monitors circuit parameters)
  • Temperature
  • -20C to +60C (operating range)
  • Voltage
  • 230 V AC (supply voltage)
  • Response Time
  • Instantaneous with time delay option (adjustable 0.02...2 sec)
  • Output Contacts
  • 2 c/o (SPDT) relay contacts
  • Standards Compliance
  • IEC/EN 60255-6, IEC/EN 60947-5-1
  • Humidity
  • 5-95% RH (non-condensing)
  • Altitude
  • max. 2000 m above sea level
  • Panel Cutout
  • Not applicable (DIN rail)
  • Measuring Range
  • 0.03...30 A (adjustable)
  • Electrical Life (Relay)
  • 100,000 operations at rated load
  • Model Number
  • CM-EFS.2S (1SVR730750R0400)
 
 

About ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY

1SVR730750R0400is a CM-EFS.2S voltage monitoring relayfrom ABB. It operates with a rated control supply voltage of 24 - 240 V AC/DCand has a 2 c/o (SPDT) outputwith contacts rated at 250 V / 4 AThis relay provides a RMS measuring principlefor DC and AC voltages with four measuring ranges: 3-30 V, 6-60 V, 30-300 V, and 60-600 VIt features window monitoring for over- and undervoltage, adjustable trip delay, and is available in an IP20/IP50 enclosure.

Versatile Earth Fault Monitoring

The ABB CM-EFS.2S provides reliable detection of earth and ground faults across AC installations, enhancing safety in both industrial and commercial panels. The adjustable sensitivity and response time allow precise adaption to varied operational requirements, ensuring early detection and system protection.


Flexible Installation and User-Friendly Operation

Installation is simplified with DIN rail mounting and screw terminal connectivity. The relay offers intuitive LED status indicators and features such as adjustable sensitivity, auto/reset modes, and a practical test/reset function, streamlining commissioning and maintenance.


Robust Performance and Compliance

Crafted with durable plastic housing and designed to operate within a wide temperature (-20C to +60C) and humidity range, the CM-EFS.2S maintains performance up to 2000 meters altitude. Compliant with IEC/EN 60255-6 and IEC/EN 60947-5-1 standards, it assures long service life and safety.

FAQ's of ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY:


Q: How is the ABB CM-EFS.2S monitoring relay installed in a panel?

A: The CM-EFS.2S is designed for straightforward DIN rail mounting within electrical panels and uses screw terminal connections for secure wiring. Its compact size and DIN compatibility make integration into new or existing setups seamless.

Q: What types of electrical systems can the CM-EFS.2S monitor?

A: This relay is suitable for both single-phase and three-phase AC systems. It detects earth/ground fault currents with its external toroidal or current transformer sensor input, offering broad applicability across diverse installations.

Q: When should the adjustable response time feature be used?

A: The adjustable response time (0.02 to 2 seconds) allows users to select either instantaneous or delayed relay operation. This flexibility lets you tailor the response to minimize nuisance trips or to react immediately when detecting faults, depending on application needs.

Q: Where can the CM-EFS.2S monitoring relay be effectively utilized?

A: Its robust design and compliance make it ideal for use in industrial plants, commercial buildings, and other environments requiring earth fault detection up to 2000 meters altitude and within wide temperature and humidity ranges.

Q: What is the process for testing or resetting the relay after a fault detection?

A: The device features a convenient test/reset function accessible from the front panel. Users can manually test the relay operation and reset it following fault clearance, aiding regular maintenance and ensuring correct functionality.

Q: What benefits does the relay's LED status indication provide?

A: The integrated LED indicators offer real-time status of both relay states and fault conditions, facilitating quick diagnostics, minimizing downtime, and enhancing operator confidence during inspections and service.

ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
ABB CM-EFS.2S 1SVR730750R0400 MONITORING RELAY
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