Manufacturing thermal protectors and switches since 2010.

Quality Thermal Switches Manufacturer | Haichuan


HC25 Series Thermal Switch 

HC25 series thermal switch with high-current make pure design temperature to ensure low internal resistance , Widely used in pump, transformer and high power motor . 

Special Features:

●With pure design temperature, current effect is small

● Epoxy sealing to ensure that  the vacuum varnished.

● Closed structure can make components from dust or impurity pollution and damage to the external force.

● Preset calibration temperature ; not adjustable in the field.

● Case electrically alive; insulating sleeving is available..

Electrical Characteristics: 

● 250V AC 50HZ/60HZ

● 16A, 25A, 35A

Technical Parameters:

● Available with nominal calibration temperatures from70℃-160℃. 

● Temperature Code: ±5℃,±8℃

Main Applications are as follows:

● Pump, high power motor

● Heating tube

● Electric tool, battery packs


Thermal switches  compared with similar products on the market, it has incomparable outstanding advantages in terms of performance, quality, appearance, etc., and enjoys a good reputation in the market.Haichuan summarizes the defects of past products, and continuously improves them. The specifications of thermal switches can be customized according to your needs.

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1.How long is the delivery time?
About 10 days for 100K pcs.
2.What certificates you get ?
We have get 5 certificates --CQC : GB/T14536 , ISO/TS 16949 , EN 60730 , UL60730-1 and some products design rights.
3.How about the shipment and delivery time?
The true delivery time depend on the quantity and products. Here need 5-7 days to produce for normal orders. We prefer to use international express like FedEx/UPS/TNT/DHL,but the shipment can be chose by our clients.


1.100% inspection before shipment.
2.Own bimetallic material manufacturing and research and development base.
3.Customized orders accepted.
4.Fully automated production process.

About Haichuan

Nanjing Haichuan Electronic Co., Ltd. located in Luhe Economic Development Zone, Nanjing city, Jiangsu province, China, it was established on August 5th, 2010. It is a high-quality thermal protector, temperature switch, over-current protector manufacturers, vigorously introduce Austria, the United States and other places technology and more than 20 advanced equipment, especially committed to the automotive field of high-reliable Protector R & D and Manufacturing! The company has passed the ISO/TS16949 quality management system certification and has a number of independent Patents. Its products have passed the international safety certification of many countries such as UL, TUV, CQC, PSE, etc. Products are widely used in glass elevator motor, wiper motor, skylight motor, car water tank, car heating pad, white household appliances and other occasions that need reliable and safe protection, is one of the most complete specifications in the field of automotive electrical protectors, the company has become an excellent supplier to the cooperation units of many mainframes manufacturers in China. More than 60% of the company's products are exported to the United States, Canada, the European Union, Brazil, Taiwan and other countries and regions. With the company's mature technical strength and sound management system, to provide customers with cost-effective products and services.

Just tell us your requirements, we can do more than you can imagine.
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