Description
Used for protection of motors,pumps, transformers, etc from damage due to missing phases or negative phase sequences. A wrong sequences is corrected and two output contacts are provided which can be used to switch on the power contactors . Only the correct sequence contactor signal will be onat a time. However contactors must be interlocked during power wiring.The relay resets automatically and remains off when voltage is low, zeroun balanced or negative phase sequence. Manual reset can be provided.SIZE : 400*450*220MM
