ZR 011 Dual Thermostat Advantage 1) NO and NC in one casing 2) Separate adjustable temperatures 3) High switching capacity 4) Terminals easily accessible 5) Clip fixing Two thermostats in one casing: Thermostat (contact breaker, normally closed) for regulating heaters. Thermostat (contact maker, normally open) for regulating filter fans andheat exchangers or switching signal devices when temperature limit has been exceeded. Heaters and cooling equipment can be switched independently from each other with a temperature offset as opposed to the usual change-over contacts. Art no. Setting range Setting Range ZR 011 Contact breaker (NC) 0 to +60 ºC Contact maker (NO) 0 to +60 ºC Temperature range NO/NC: 0~60 Centigrade Switch temperature difference 7k( ±4k tolerance) Sensor element thermostatic bimetal Contact type snap-action Contact resistance <10m ohm Service life >100,000 cycles Max.Switching capacky 250 VAC, 10(2) A 120VAC, 15(2)A DC 30W Connection 4-pole terminal, clamping torque 0.5Nm max: rigid wire 2.5mm2, Stranded wire ( with wire end ferrule) 1.5mm2 Installation 35mm DIN Installation guide Casing UL 94 V-0 Plastic, light grey Dimensions 67 x 50 x 46mm Weight 90g Fitting position Variable Operating/Storage Temperature -20 to +80°C(-4~176 ℉ ) Protection Type IP20