Check the listing for details. 0-60℃ KTS011 Mechanical Thermostats Adjustable Compact Normally Open. Condition: New. Listed at 18.71 USD. Mechanical ThermostatProduct Details1.【2 WIRE CONNECTING HOLE】The bottom of KTS011 mechanical temperature controller switch is with 2 wire interfaces,which can make wire connection become more sturdy2.【NORMAL OPEN】When the ambient temperature is lower than the temperature set by the thermostat, the circuit is open and the cooling equipment stops.When the ambient temperature is higher than the temperature set by the thermostat, the circuit closes and the cooling equipment starts.3.【0-60 DEGREE CELSIUS】The mechanical thermostat temperature controlling range is from 0℃ to 60℃, perfect for using to control filter fan and other signal device .The adjustable button is for easy and convenient to adjust the controlling temperature4.