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Littelfuse, Inc. Datasheets for Ground Fault Relays

Ground fault relays protect electrical equipment from ground faults. A ground fault is an unintentional current path between a current-carrying conductor and a grounded surface.
Ground Fault Relays: Learn more

Product Name Notes
EL-731-21-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via DeviceNet™.
EL3100-00 is a ground-fault relay with a supply voltage ac of 208–600 and measures 3.4H X 4.4W X 2.2D.
EL731-00-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240.
EL731-00-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240.
EL731-01-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via DeviceNet™.
EL731-01-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via DeviceNet™.
EL731-02-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via Profibus®.
EL731-02-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via DeviceNet™.
EL731-03-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via EtherNet-IP™.
EL731-03-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via EtherNet-IP™.
EL731-04-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via Modbus®TCP.
EL731-04-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via Modbus®TCP.
EL731-10-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48.
EL731-10-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48.
EL731-11-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™.
EL731-11-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™.
EL731-12-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via Profibus®.
EL731-12-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™.
EL731-13-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via EtherNet-IP™.
EL731-13-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via EtherNet-IP™.
EL731-14-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via Modbus®TCP.
EL731-14-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via Modbus®TCP.
EL731-20-00 is an earth-leakage relay with a supply voltage dc of 24 and measures 1.9H X 3.8W X 5.0D.
EL731-20-10 is an earth-leakage relay with a supply voltage dc of 24 and measures 1.9H X 3.8W X 5.0D.
EL731-21-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via DeviceNet™.
EL731-22-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Profibus®.
EL731-22-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Profibus®.
EL731-23-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via EtherNet-IP™.
EL731-23-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via EtherNet-IP™.
EL731-24-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Modbus®TCP.
EL731-24-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Modbus®TCP.
Operates on AC solidly grounded and AC resistance grounded systems.The SE-703 is a microprocessor-based ground-fault relay for resistance and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25...
PGR-3100 is a ground-fault indication system with a supply voltage ac of 600 (none for dc) and measures 88.9x108x54 mm.
PGR-3200 is a ground-fault and insulation monitor with a supply voltage ac of 240.
PGR-3200-120 is a ground-fault and insulation monitor with a supply voltage ac of 120.
PGR-4300-12 is a generator ground-fault relay with a supply voltage dc of 12.
PGR-4300-120 is a generator ground-fault relay with a supply voltage ac of 120.
PGR-4300-24 is a generator ground-fault relay with a supply voltage dc of 24.
PGR-4700-120 is a sensitive ground-fault relay with a supply voltage ac of 120.
PGR-4700-24 is a sensitive ground-fault relay with a supply voltage ac and dc of 24.
PGR-4700-240 is a sensitive ground-fault relay with a supply voltage ac of 240.
PGR-6101-120 is a ground-fault and insulation monitor with a supply voltage ac of 120.
SE-601-0D is a sensitive ground-fault monitor with a supply voltage dc of 12–30.
SE-601-0D-CC is a sensitive ground-fault monitor with an analog output current mA of 0–5 V and offers conformal coating.
SE-601-0T is a sensitive ground-fault monitor with a supply voltage dc of 40–55.
SE-601-0T-CC is a sensitive ground-fault monitor with a supply voltage dc of 40–55 and offers conformal coating.
SE-601-0U is a sensitive ground-fault monitor with a supply voltage ac of 120–240 and a supply voltage dc of 100–240.
SE-601-0U-CC is a sensitive ground-fault monitor with a supply voltage ac of 120–240 and a supply voltage dc of 100–240. This item is available with conformal coating.
SE-701-03 is a ground-fault monitor with a supply voltage ac of 24 and is uniquely suited for systems with significant harmonic content.
SE-701-03-CC is a ground-fault monitor with a supply voltage ac of 24 and is available with conformal coating.
SE-701-0D is a ground-fault monitor with a supply voltage dc of 12–24 and is uniquely suited for systems with significant harmonic content.
SE-701-0D-CC is a ground-fault monitor with a supply voltage dc of 12–24 and is available with conformal coating.
SE-701-0T is a ground-fault monitor with a supply voltage dc of 48 and is uniquely suited for systems with significant harmonic content.
SE-701-0T-CC is a is a ground-fault monitor with a supply voltage dc of 48 and is available with conformal coating.
SE-701-0U is a ground-fault monitor with a supply voltage ac and dc of 120/240 and is uniquely suited for systems with significant harmonic content.
SE-701-0U-CC is a ground-fault monitor with a supply voltage ac and dc of 120/240 and is available with conformal coating.
SE-703-03-02 is an earth-leakage monitor with a supply voltage ac of 24.
SE-703-0D-00 is an earth-leakage monitor with a supply voltage dc of 12–24.
SE-703-0D-02 is an earth-leakage monitor with a supply voltage dc of 12–24.
SE-703-0T-00 is an earth-leakage monitor with a supply voltage dc of 48.
SE-703-0T-02 is an earth-leakage monitor with a supply voltage dc of 48.
SE-703-0U-00 is an earth-leakage monitor with a supply voltage ac and dc of 120/240.
SE-703-0U-02 is an earth-leakage monitor with a supply voltage ac and dc of 120/240.
SE-704-03 is an earth-leakage monitor with a supply voltage ac of 24.
SE-704-03-CC is an earth-leakage monitor with a supply voltage ac of 24 and is available with conformal coating.
SE-704-0D is an earth-leakage monitor with a supply voltage dc of 12–24.
SE-704-0D-CC is an earth-leakage monitor with a supply voltage dc of 12–24 and is available with conformal coating.
SE-704-0T is an earth-leakage monitor with a supply voltage dc of 48.
SE-704-0T-CC is an earth-leakage monitor with a supply voltage dc of 48 and is available with conformal coating.
SE-704-0U is an earth-leakage monitor with a supply voltage ac and dc of 120/240.
SE-704-0U-CC is an earth-leakage monitor with a supply voltage ac and dc of 120/240 and is available with conformal coating.
The EL731 is a microprocessor-based AC/DC Sensitive Earth-Leakage Relay that offers complete coverage for all frequencies from 0-6,000 Hz. Two CT’s are required for the entire frequency range, or one...
The SE-502 Ground-Fault Ground-Continuity Detector provides Class-A GFCI trip level and trip times for personnel protection. As little as 5 mA of ground-fault current can be detected, and the internal...
The SE-601 series monitor is a microprocessor-based , ground-fault relay for ungrounded dc systems ranging from industrial 24 V dc control circuits to 1000 V dc solar and transportation systems.
The SE-703 is a microprocessor-based ground-fault relay for resistance- and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant...