GFM-463 EI

GROUND FAULT CURRENT DETECTION

GFM Relay

The GFM system is designed for electrical protection, not for personnel protection

Application: These Class 1 (Model GFM) Ground Fault protection systems are used to minimize damage to equipment due to arcing ground faults. The GFM system is designed for all polyphase applications and is ideal for motor control, motor control centers and high voltage starters. Systems can be wye or delta, grounded or resistance grounded.

Note: Only for use with EI GFM sensors

Operation: When the ground fault current exceeds a preselected condition (current and time settings) the relay trips.  The relay contacts can be connected in the control circuit of a motor starter, to the shunt trip of a circuit breaker or other similar disconnect or alarm device.

Operating Range (Adjustable): Trip Currents models are available for 1.5 to 65 Amps,

depending on sensor.

Time Delay (Adjustable): Instantaneous to 36 cycles

Input Power: Self Powered

Frequency: 50/60 Hz

Ambient Temperature Range: -30 Deg C. to 60 Deg C.

• Inverse time characteristic (to prevent nuisance trip)
• Field adjustable trip relay (trip current)
• Adjustable trip time delay relay (field settable for up to 36 cycles)
• Positive Visual Trip Indicator
• SPDT contacts: Form C, rated for 10 Amps continuous, 23 Amps inrush (250 VAC)
• Door or Panel Mounted options
• Operates with molded case power circuit breakers, bolted pressure switches, or fusible disconnect switches.