Thermostat JSK0012 Double Enclosure Thermostat
Thermostat JWT 6012 Double Temperature Controller
A thermostat with two temperature settings.
Normally open contact:Commonly used in the monitoring filter fans,heat exchangers, or when the temperature exceeds the set value, the closed circuit output signal.
Normally closed contact:commonly used in connecting the heater, when the temperature reaches the set value, the broken line.