we are offring Restricted Earth Fault Relay. Features Software based design Very sensitive and wide setting range Insensitive to currents at harmonic frequencies Trip test facility...
Backed by rich industry experience, we have been able to manufacture, supply, export and trade Restricted Earth Fault Relay. Our offered relay is a universal protection device that is demanded for high, medium and low voltage networks. Owing to...
Prok devices pvt ltd an iso 9001-2008 company introduces digital microprocessor micro controller based idmt definite time instantaneous earth fault relay (efr). It is a current sensing device which is semitropical professionally designed and tested...
PROK DEVICES PVT LTD an ISO 9001-2008 company introduces DIGITAL MICROPROCESSOR / MICROCONTROLLER BASED IDMT / DEFINITE TIME / INSTANTANEOUS EARTH FAULT RELAY (EFR).It is a current sensing device which is tropicalised professionally designed and...
Earth Fault Relay is sensed by measuring the neutral current. Normally in three phase system the vector sum of three phase current are zero hence no current flows from neutral to earth. If ground fault occurs the vector sum is not zero. If we can...
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