Product Profile of Earth Fault Indicator With Electro Mechanical Flag

Earth Fault Indicator with Electro Mechanical Flag detects the passage of earth fault current at a point on an under ground HV cable/ overhead HV distribution network. The Earth Fault Indicator is designed with an electro mechanical flag provided to display the fault/ healthy conditions. The Earth Fault Indicator is provided with a test button on the unit to periodically check the healthiness of the unit. Earth Fault Indicator with Electro Mechanical Flag requires an auxiliary supply of 230 VAC for operation.

Earth Fault Indicator with Electro Mechanical Flag has the following features:

• An electro mechanical flag provided to display the fault/ healthy conditions.

• Red colour indicates the fault and white colour indicates a healthy state.

• The Indicator surfaces are made from a reflective material to be visible even in darkness by shining a torch on it.

• A Test button is provided on the unit to periodically check the healthiness of the unit.

• Two separate potential free changeover contacts are provided as an out put to connect the unit to any outside system like SCADA.

• The unit requires an auxiliary supply of 230 VAC [+/- 15 %].

• The units fault flag will remain set even when there is an interruption of the mains supply.

• The unit will reset automatically when the fault is cleared and the power is resumed back.