... measure &control :-50~+50 celsius 2. 3-load:compressor,fan,defrost 3. Power:3-phase,4 or 5 wires Brief introduction1. Temperature measure ... &control :-50~+50 celsius 2. 3-load:compressor,fan,defrost 3. Power:3-phase,4 or 5 wires 4. Double sensors ... 250X190X139mm Technical parameter:1. Power supply: Three-phase five-wire (or three-phase four-wire), 380VAC ±10%, 50Hz2. Temperature measuring ...