power supply 230V AC 50/60Hz power module controlled by thermostat (3445963) connection through special multipolar cable 1 relay output 16(6)A 250V for compressor max 1.5HP 1 relay output 8(4) 250V for defrosting system 1 relay output 8(4)A 250V for fans 1 relay output 8(4)A 250V for cold room lamp fans can be stopped while the cold room door is open configurable by DIP-SWITCH n