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Reliable Thermal Protection
Engineered for Excellence

HCET provides comprehensive solutions for overheating and overcurrent protection. As a leading manufacturer of thermal protectors, temperature switches, and motor protectors, we deliver high-reliability components trusted in automotive, medical, new energy, and industrial applications.

Trusted in Over 200 Countries

All HCET products are manufactured according to the strictest international standards. Our components have received favor from both domestic and foreign markets and are widely exported globally. Certified under IATF16949, UL, CE, CQC, and RoHS, our products ensure safety, reliability, and compliance.

Over 20 Years of Thermal Expertise

Haichuan Electronic has been focused on thermal protectors for motors for more than two decades. We are committed to the research, development, and manufacturing of high-reliability protectors specifically for the automotive industry and other demanding applications.

  • IATF16949 Certified Quality Management
  • UL, CE, CQC, RoHS Certified Products
  • Over 200 Patents and Innovations
  • Custom Design & OEM/ODM Support
HCET Manufacturing Facility

Premium Product Range

Explore our comprehensive lineup of thermal protection solutions designed for precision, durability, and safety across industries.

HCET-A/TB02 Thermal Protector

HCET-A/TB02 Series

Precision bimetal temperature switch, ideal for battery packs, micro-motors, transformers.

  • Size: Compact design
  • Function: Snap-action, high sensitivity
  • Certifications: UL, TUV, CQC
HCET-C Thermal Switch

HCET-C Thermal Switch

Dual-protection bimetal cut-out with integrated thermal protector and cutoff.

  • Protection: Thermal + Overcurrent
  • Design: Factory-sealed, robust
  • Use Case: High-reliability motors
HC01/6AP Motor Protector

HC01/6AP Motor Protector

Small-size thermal protector for window motors and small appliances.

  • Activation: Current + ambient heat
  • Terminals: Multiple configurations
  • Mounting: Easy integration
HC02 Sunroof Motor Protector

HC02-A Sunroof Motor Protector

Customizable protector with superior performance in automotive applications.

  • Customization: Fully configurable
  • Market: High reputation in China
  • Advantages: Performance, quality, design
17AM Series Motor Protector

17AM Series

Temperature and current-sensitive protector for motors, pumps, and transformers.

  • Size: Compact, high capacity
  • Applications: Industrial, home appliances
  • Reliability: Long life, stable performance
HC18/8AM Motor Thermal Protector

HC18/8AM Series

Dual-function protector with temperature sensing and current overload control.

  • Temp Range: 80°C – 180°C
  • Capacity: High electrical load
  • Use: High-power motors, transformers
KSD301 Temperature Switch

KSD301 / HC301 Series

Snap-action temperature limiter with precise control and high durability.

  • Type: Bimetal disc
  • Action: Pure temperature sensing
  • Applications: Motors, heating systems
PTC/NTC Thermistors

Temperature Sensors

High-accuracy NTC/PTC thermistors and PT100 RTDs for precise monitoring.

  • Types: NTC, PTC, PT100
  • Precision: ±0.1°C to ±1°C
  • Use: Medical, automotive, industrial
View All Products

Engineered for Critical Applications

Our thermal protectors ensure safety and reliability across industries.

Medical

New Energy

Small Appliances

Automotive

Heating

Motor

Comprehensive Technical Support

We provide full technical documentation, product manuals, and expert assistance to ensure seamless integration of our protectors into your systems.

  • Product Manuals & Datasheets
  • Technical Downloads
  • FAQ & Troubleshooting
  • Custom Engineering Support
Technical Support

Get in Touch

Ready to integrate high-reliability thermal protection into your products? Contact us today for inquiries, samples, or custom solutions.

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