• Prok Devices Private Limited

Digital Earth Leakage Relay

Prok Devices Private Limited offers a Digital Earth Leakage Relay. Earth leakage current gives rise to generation of heat and results in progressive failure of insulation, which leads to earth faults sparking flashovers, deterioration of earthing and finally results into catastrophic fires which destroys costly equipment, gadgets and precious lives. It is therefore essential to detect earth leakage current well before it crosses the threshold limits and isolate the circuit in the event of leakages. Conventional over current and short circuit protection device are not designed detect earth leakage currents. Prok make static earth leakage relays (ELR) with core balance current transformer (CBCT/ZCT) are used to detect the leakage current in an electrical power system. Static earth leakage relay (ELR) transmits a signal to activate the trip coil of the MCCB/ACB/OCB contactor in the event of earth leakage, resulting in automatic isolation of the electrical power system. Static earth leakage relay (ELR) and core balance current transformer (CBCT/ZCT) have been widely used and accepted because these have field adaptability and are economic.