According to the temperature change of the working environment, physical deformation occurs in the switch, which produces some special effects, a series of automatic control elements that produce on or off action, or the different principles of the working state of the electronic components at different temperatures, to provide temperature data for the circuit to collect temperature data.

The working principle of bimetallic temperature controller is based on the principle of object expansion and contraction. Thermal expansion and cold contraction are the common characteristics of objects, but different objects have different degrees of thermal expansion and cold contraction. The two sides of the bimetallic sheet are conductors of different materials. Under the changing temperature, the bimetallic sheet will bend due to the different degree of expansion and contraction, and touch the set contact or switch, so that the set circuit (protection) will start to work. The bimetallic thermostat produced by Jaye includes KSD Snap action thermostat and KST adjustable thermostat.

Liquid expansion temperature controller is also called capillary thermostat: when the temperature of the controlled object changes, the substance (generally liquid) in the temperature sensing part of the temperature controller will produce the corresponding physical phenomenon of thermal expansion and cold contraction (volume change), and the capsule connected with the temperature sensing part will expand or contract. Based on the lever principle, it drives the switch on-off action to achieve the purpose of constant temperature. The hydraulic expansion type temperature controller has the characteristics of accurate temperature control, stable and reliable, small temperature difference between start and stop, large range of temperature control, large overload current and so on. Liquid expansion temperature controller is mainly used in household appliance industry, electric heating equipment, refrigeration industry and other temperature control field.

Except for the thermostats, Jaye also makes and offer the high precise thermal fuse, Mechanical Timer and Switches in the temperature controller range.

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