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For the best effect of your inquiry, please tell us the temperature or temperature range, bulb diameter and maximum length, capillary tube length, preferrably with your drawing and/or image of the product you need.
A capillary thermostat controls the temperature with a pressurised system that operates according to the principle of expansion of liquid. It comprises a temperature sensing bulb, a capillary tube and a diaphragm.
Following an increase in temperature at the bulb, the liquid expands in the capillary tube, causing the diaphragm to move. This movement activates a snap-action switch, causing opening or closing of switch contacts.

TOPRO capillary thermostats are characterized by accurate temperature control, reliable, small on/off temperatures difference, a wide range of temperature control and large over loaded current etc.
TOPRO can supply temperature controls, sensors and limiters with bulb and with capillary tube length according to customer specification for applications such as:
Electrical heating purposes
| Refrigeration industry
|
Exceed customer expectation: We do the most homework to let the customers do the least. Our customers only need to do two things: to pay the money we deserve and to relax, and we do all the work.
It's not our slogon to keep customers satisfied, it's our promise and pratice.
We are committed to providing better service to customers than our competitors. If we don't, please let us know to surpass.
Dongguan TOPRO Electrical Technology Co., Ltd. is a specialized manufacturer of various bimetallic thermal protectors and thermostats for more than 10 years. Our bimetallic thermal protectors and thermostats are widely used for thermal protection and temperature control in Electric Motors, Fluorescent Ballasts, Battery Packs, Transformers, Solenoids, LED driver power, power switches, electric tools, and the fields of overcurrent or over temperature protection for various household appliances.
Just provide us with your specifications concerning specific current and temperature rise conditions and we will assist you to select a matching thermal protector and provide you with free samples. In close cooperation with the customer we develop the optimum solution, providing the lowest cost products without compromising the quality and thus increasing your competitive advantage. Contact now and get our prompt reply!
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