1.Thermostat with UL,CE,CQC,RoHS 2.Temp:-35C--+320C ... size is available on 3mm, 4mm, 5mm, 6mm. Thermostat's wiring form, Single Pole Single Throw and Single Pole Double Throw ... Sensor3mm,4mm,5mm,6mmElectric Rating16(3)A 250VAC~10(1.8)A 400V Wiring DiagramSingle Pole Single Throw (SPST)Single Pole Double ...