A thermostat is a component which senses the temperature of a system so that the system's temperature is maintained near a desired set point. It is a "closed loop" control device, as it seeks to reduce the error between the desired and measured temperatures.
Double Thermostats, Bimetallic thermostat fixed set, hygrostat, mechanical hygrostat, thermo-hygrostat
Compact Thermostat for DIN 35 mm. rail mounting.
Based on bimetallic junction, provides high capacity NO or NC contact.
NO Contact: Typically used for controlling ventilation devices
NC Contact: Typically used for controlling heaters