CR Magnetics 7EH120.01CCER1 CR7310 Series Ground Fault Current Sensing Relay, Trip Status: EH - Energized on High, trips when sense current is above trip point and returns to non-trip status when sense current is below the trip point. Supply Voltage: 120 VAC, Trip Range: .011 (.01 to 0.1 AAC), Trip on Delay: C (.1 to 1 Second), R1 - Remote Transformer with CRGFS-100 (1.60” window diameter), Power-On Delay: 100 ms max, Input Supply Power: Terminals: 2 - 1/4" Male Q C, Frequency: 60 to 400 Hz * (All specifications for operation at 60 Hz only), Mechanical Life: 10 million operations, typ.@ rated load, Mounting: 3/16” dia. clearance holes on 115/16” by 215/16”centers, Environmental: Operating Temperature: -30° C to +60° C, Storage Temperature: -55° C to +85° C, Power-On Delay: 100 MS MAX, Hysteresis: 5% Max., Input Supply Power: Typical 80mA - Max 100mA, Sensed Current: Max. Continuous: 200% Full Scale, Altitude: 2000 meters max.
*Monitor electrical heater elements, *Sense motor over/under loads, *Detect lamp burn-out, *Indicate phase loss
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.
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