Capillary thermostat WY120-653-21

Adjustable single-pole capillary regulator (thermostat) WY120-653-21 is intended to maintain the required temperature in the controllable device or its parts. A rise in temperature causes the expansion of liquid within the bulb and capillary. The liguid acts on a bellows assembly within the plastic housing to open electrical contacts.
Area of application - conditioners, heaters, thermal veils.