Earth leakage Relay
Earth Leakage relays (ELR's) or also known as ground fault relays are residual current monitors (RCM's) that are used to detect potentially dangerous ground fault currents before they cause any hazard. Causes for ground fault currents: Inadequate insulation due to mechanical damage of cables and devices.
A-7, Opp. Vaishali Nagar Police Station, Vaishali Nagar, Jaipur, Rajasthan, 302021, India