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Ground Fault Current Sensing Relay - CR7310

Current: AC Current
Voltage Type: AC Voltage,DC Voltage,AC/DC Voltage
Ground Fault: Ground Fault
Mechanical Relay: Mechanical Relay
Normally Open or Closed: Normally Open,Normally Closed
Output: NPN Output, TRIAC Output
LED Indicator: LED Indicator
Power: 24 Vdc,120 Vac, 240 Vac
Mount: Panel Mounted

  • Model Number: CR7310
  • Data Sheet: Date Sheet File
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  • Ground Fault Current Sensing Relay
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Product Specification

CR7310 Ground Fault Current Sensing Relay


The CR7310 Series Ground Fault Sensor provides a reliable and cost effective method for sensing ground faults. The current-carrying wires are routed through the opening extending from the top of the case. When ground current reaches the level set by the trip point adjustment, the relay trips, illuminates the tripped LED and provides an output signal. A precision voltage reference circuit ensures a highly repeatable trip point. The Sensor is rated as a Class 1 device.

CR7310 Ground Fault Sensor Features
• Variable trip point and time delay
• Monitors currents from 10 mAAC to 100AAC 
• Electrical isolation between circuits
• Output relay rated up to 20 Amps
• LED trip status indicator
• Dead band prevents relay chatter
• Calibrated dial option available
• External current transformers available

CR7310 Ground Fault Sensor Specifications
• Power-On Delay: 100 ms max
• Input Supply Power: Terminals: 2 - 1/4" Male Q C
• Frequency: 60 to 400 Hz
• Mechanical Life: 10 million operations, typ.@ rated load

CR7310 Ground Fault Sensor Applications
• Monitor electrical heater elements
• Sense motor over/under loads
• Detect lamp burn-out
• Indicate phase loss

CR7310 Ground Fault Sensor PART NUMBER


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