Description double power supply 24/230V 50/60Hz ON-OFF control with one actuation point only changeover relay outlet 8(3)A 250V 2 types of programmable temperature alarms inbuilt failure alarm password entry to configuration parameters room temperature 0^60°C multiple probe: thermocouple ” J” -100/750°C thermocouple ” K” -100/1200°C PTC -50/150°C - NTC -40+110°C Pt 100 2/3 w ires:-100/700°C connections by extractable screw terminal block front dimensions 72x72x100 mm