Made for reliability, the MELPRO-A Series.
MELPRO-A series is a protective relay for high-voltage power reception and distribution facilities. The high reliability and upgraded functions support design, operation and maintenance of the systems.
・Including two-phase overcurrent protection in one unit
・2 kinds of instantaneous overcurrent protection (50)
・4 kinds of definite time overcurrent protection (51)
・Earth (ground) overcurrent protection (50G)
・Wider setting than the existing model
・Earth (ground) overcurrent protection (50G)
・Wider setting than the existing model
・Undervoltage protection(27)
・1 phase detection type
・Unnecessary power supply
・Overvoltage protection(59)
・1 phase detection type
・Unnecessary power supply
・Earth (ground) overvoltage protection(64/59G)
・Wider setting than the existing model