Ground Fault Sensing Module
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- Power and fault status indicators
- Provides identification of a ground fault vs. short circuit trip
- Chemical and UV resistant enclosure
- Protection range and operating voltage: 0 - 50 Amps, 120 VAC, 120/240 VAC, 240V
- Unit operating temperature is -35°C to +66°C
- Accommodates up to 3 wires, 6 AWG
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- Data Centers
- Marine
- Generators
- Panel Protection
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Description
The LineGard™ PGFM product family – operating in tandem with an an Airpax™ circuit breaker – delivers both equipment leakage and ground fault circuit protection (ELCI and GFCI), helping to ensure equipment is protected from ground faults and that personnel are safeguarded from electric shock in generator, CDU, and other applications.
The combined assembly is recognized as a Class A UL 943 (120V Only) and as UL 1053 (240V Only) rated device. The PGFM constantly monitors the current balance of the conductors (wires / cables) supplying power to the load. When a ground fault occurs, the PGFM uses the circuit breaker’s shunt trip coil to signal the breaker to trip.
Regulatory requirements around GFCI applications are largely incorporated into UL 943 (Class A GFCI) – which is designed to protect personnel from potential electric shock - and UL 1053 - which covers both GFCI and Equipment Leakage Circuit Interruption (ELCI)
| Type | GFP - UL 943 (120V Only) Category FTTJ2 when used in tandem with Airpax LEL series (UL 489 listed circuit breaker with shunt trip) ELCI – UL 1053 Category FTTJ2 when used in tandem with Airpax LEL series (UL 489 listed circuit breaker with shunt trip) |
| Operating Voltage | 120 VAC or 120/240 VAC, 50/60 Hz |
| Interrupting Voltage | Rating of UL 489 listed circuit breaker |
| Sensing Coil Voltage Limit | 400 VAC maximum |
| Phase Interrupt | Single (120 VAC 3 wire), Split (120/240 VAC 4 wire) , 240VAC 3-wire (L1, L2, N) |
| Short Circuit | 120VAC, 50A 120/240VAC, 50A 240VAC, 50A |
| Trip Time of Combined Assembly | PGFM: UL943 - 25mS, ELCI: UL1053 - 100mS or less (60mS nominal) |
| Trip Level | 5mA +/- 1mA, 8mA +/- 2mA, 18mA +/-2mA, 27mA +/- 3mA |
| Operating Temperature | -35°C to +66°C |
| Reset Type | Automatic on power up (PGFM only) See datasheet |
| Salt Fog (Corrosion) | ASTM B117 |
| Shock | 33CFR183.534 - modified to supply 5,000 shocks @ 25G, instead of test standard of 1,000 shock |
| Vibration | MIL-STD-810 (random vibe 4G RMS), IEC 6945 (sine sweep 5 to 100 Hz for low frequency) |
- Applications
- BrandsSensata Airpax®