Littelfuse PGR-3200, PGR-3200 Series, Insulation Monitor, 240VAC

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The PGR-3200 detects ground faults by continuously monitoring the insulation integrity of ungrounded electrical systems. The relay monitors the insulation for damage and assists wi th predictive maintenance and troubleshooting of developing ground faults by providing two warning and an alarm level. The PGR-3200 operates on one- or three-phase ungrounded systems up to 6 kV. The PGR-3200 can also be used on a grounded system to monitor the insulation for damage, while the power system is de-energized. The mode-of-operation terminals (27-28) are connected to the circuit breaker or contactor auxiliary contacts to toggle the relay off when the contactor or breaker is closed. Specifications IEEE Device Numbers Undervoltage Relay (27)Ground Detector Relay (64) Input Voltage See ordering information Dimensions H 75 mm (3”)W 100 mm (3.9”)D 115 mm (4.5”) Resistance Ratings Insulation warning (30 kΩ and 50 kΩ)Insulation alarm (10 kΩ) Contact Operating Mode Non-fail-safe Test Button Local Reset Button Local and remote Output Contacts Two Form C Analog Output 0-1 mA Conformally Coated Consult factory Approvals UL Listed (E183688) Warranty 5 years Mounting DIN, Surface Show more