Microprocessor Based Digital ELR 300mA-30A
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Prok dv's make Earth Leakage Relay (ELR) MPEL series uses the state-of-the-art, Digitalmicroprocessor/micro controller based protection device to detect low level leakage dueto degradation of insulation of phase conductors or high impedance faults.The main featureof Digital microprocessor/microcontroller Earth Leakage Relay (ELR) continuous display ofearth leakage currents of the power system. The unit has immunity to external disturbancelike harmonics and transients. Specification Microcontroller based compact design Continuous monitoring and display of set value and measured value of leakage current 8 character 2line LCD displays with back lit Test & Reset facility CBCT connection monitoring facility True Rms measurement of leakage current Trip Circuit Failure indication (Optional) Default:Disabled Serial RS 485 communication port with modbus protocol (optional) Fault recording with date and time stampings, max up to 10 Faults (optional) Tropicalised and rugged design External test, reset, fault & healthy indication suitable for mining Application High sensitive leakage current setting (5mA to 1.00A) (MODEL:MPELSPL)