Littelfuse 455 MotorSavers

Littelfuse SymCom 455 MotorSaver Protection Relays provide both line and load side monitoring. They protect 3-phase, 190-480VAC motors from contact failure, low and high voltage, single-phasing, voltage unbalance, phase reversal and rapid cycling. The 455 Models have variable unbalance trip point, restart delay, and trip delay settings.

The Models 455 and the Models 455-575 (475-600VAC) are equipped with one SPDT 480VA @ 240VAC output relay.

The Models 455-480R (390-480VAC) are equipped with one SPDT 470VA @ 600VAC output relay.