DEIF India Pvt. Ltd supplies Loss of Mains Relay with LED Indicator. DEIF India Pvt. Ltd is an ISO 9001:2008 awarded company. DEIF India Pvt. Ltd offers various types of Engine & genset controls, renewable energy controls, marine bridge instrumentation, switchboard etc. Loss of Mains Relay with LED Indicator is ideal for protection of the generator against damage resulting from a non-synchronized reconnection to the grid after a temporary mains failure.