Manufacturing thermal protectors and switches since 2010.
HCET-A/TB02 Series Thermal Switch Thermostat

HCET-A/TB02 Series Thermal Switch Thermostat

HCET-A/TB02 series is a precise protector with small size. It is sensitive, accurate and reliable, especially suitable for heat cable, battery protection board, micro-motor and security protection of transformer. The patent number: ZL2013 20699495.2
Special Features:
● Small size, Installation is more flexible and convenient;
● Have the stable work characteristics and excellent reliability;
● Sensitive temperature  and snap action;
● Nickel and wires are optional;
● Each type of parts strictly implemented European ROHS environmental standards;
● Terminals are optional with normally closed Model B and normally open Model K
Electrical Characteristics:
● 2.5A/250 V AC
● 5A/120 V AC
● 10A/12 V AC
● 5A/24 V AC
Technical Parameters:
● Action temperature from 30℃-155℃, Every 5 ℃ a specification. Temperature is optional and customized.
● Temperature tolerance:±3℃,±5℃.
Main Applications are as follows:
● Battery pack, Li battery protect board
● Electrical tools
● PC board, temperature sensitive cable
● Heating-pads, electrical blankets
● Fluorescent ballasts and lightings, transformers










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Every part of Haichuan is exquisitely crafted to meet the quality standards required in the motor accessory industry, such as impact and wear resistance.


1.What is the minimum order quantity?
2.How long is the delivery time?
About 10 days for 100K pcs.
3.Can you help us to design the protector?
Yes, we focus on the researching. We have technicians to work it. You just send your products to us, and tell us thespecifications. We will design it and give you offer.


1.Our products win the domestic and foreign consumers’ favor and praise.
2.100% inspection before shipment.
3.Own bimetallic material manufacturing and research and development base.
4.We are one of Chinese thermal protector & thermostats factory supplier.

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.

    Send your inquiry