• BW-CKS Normally
  • BW-CKJ Normally
  • BW-CBS bimetal 
  • BW-CBJ bimetal 
  • BW-ABJ AC250V 1

Dongguan TOPRO Electrical Technology Co., Ltd. specialises in developing and manufacturing high quality and custom-built thermal protectors and thermal switches. It comprises of people with rich experience in the filed of bimetal thermal protectors. Our staff with the same interest and philosophy are to provide the best possible solution to satisfy our clients with our attentive and honest service.

During the past years, our experienced professional technical team, advanced production and testing equipment, mature production technology, and strict quality management have made TOPRO products stand out from our competitors thanks to wide applications, high quality, and reasonable prices. We also work closely with our domestic and foreign counterparts to establish good cooperative partnership, and strive to provide customers with comprehensive solutions of thermal protection and thermal switches.

Our sales staff are always pleased to solve your problems with a customized solution. So please don't hesitate to contact us for your thermal protection concerns. Let us grow and succeed together.

We are able to supply a wide range of thermal protectors which apply to
  • * Various Motors: Single-phase motors, Three-phase motors, Direct Current motors (DC motors), Alternating Current (AC motors)
  • * Household appliances (Refrigerator, Electric Blanket, Vacumn Cleaner, Electric Oven…)
  • * Automobile (Window lift, Front and rear wiper, Sun roof, Antenna lift motors, Door lock actuators, Sliding door motors, Electric car seat motors…)
  • * Business applications (Copier, Shredder, Laser Printer, Auto pencil sharpener…)
  • * Electrical Applications (Portable power tools, Mower, Heating appliance…)
  • * Health Care Applications (Heating Cushions, Massager, foot massager…)
Our Qualifications
  • * Independent R&D department
  • We have professional engineering team with 10 years experience in thermal protector development, which enables us to respond quickly to your customization requirments.
  • * Reliable Production Ability
  • Our advanced equipments, stable and skillful workers guarantee the production effeciency and quality.
  • * Products Approvals
  • Our products are certified with cUL, UL, VDE, CQC, RoHS, Reach.
  • * Good reputation
  • We have established good cooperation relationship with many big brands.