JR28 series thermal overload relay is used in the power network of AC 50Hz or 60Hz,voltage up to 660V,current of 95A and below, it protects the circuit and electric motor from overload, phase loss, long starting duration, and long blocking duration. With the differential mechanism, temperature compensation, adjustable setting current, and optional auto or manual resetting, it can be working individually or assembled with CJX2 AC contactor.
