Relay MPR300 is a three-phase LT motor protection relay for motor sizes up to 50KW (max.88 A current). It is a low cost solution, offering five major protections for motors widely usedin fans, pumps, crushers, mills, compressors, belt conveyors, centrifuges, mixers, ventilators, escalators, motorized valves etc. Major advantage is that it provides EF co-ordination incontactor-started motors, thus offering greater security, operator safety and economy. Therelay is micro controller based, highly user friendly and compact with inbuilt CTs. The relaycan also be used for protection of larger motors by using external CTs. medium voltage andhigh voltage sub-stations.