The Copeland Dixell XR20CX is a three-relay electronic controller for medium and low temperature ventilated refrigeration. It provides relay outputs for compressor (20A), defrost (8A) and fans (5A), NTC/PTC probe inputs (room and evaporator), electric, off-cycle and hot gas defrost, 1 configurable digital input, and HOT KEY/RS485 connectivity. Suitable for refrigerated display cases, cold rooms and commercial freezers.