Littelfuse, Inc. PGR-3200 Series – Ground-Fault & Insulation Monitor PGR-3200

The PGR-3200 is a ground-fault and insulation monitor for ungrounded AC systems up to 6 kV, detecting insulation resistance down to 10 kΩ for alarm and 50 kΩ for warning. It features two Form C output contacts, an analog 0-1 mA output for remote metering, and supports DIN-rail or surface mounting. The device measures 75 mm high, 100 mm wide, and 115 mm deep, operates on 120 or 240 Vac, and is UL Listed (E183688). It complies with NEC Article 250.21(B) and Canadian Electrical Code Section 10-106(2). A PGH Series high-tension coupler is required for systems above 1,300 V. The relay includes local and remote reset buttons and a local test button. Conformal coating is available on request.