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Thermal Switch Components

Precision Thermal Protection
Engineered for Reliability

Premium Snap Disc Thermal Switches, Electric Motor Protectors & Miniature Thermal Solutions from Dongguan Yusheng Electronics – Trusted by Global Appliance & Industrial Brands.

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About Dongguan Yusheng Electronics

Dongguan Yusheng Electronics Co., Ltd. is a leading manufacturer based in Dongguan, Guangdong, China, specializing in high-reliability thermal protection components.

With a mission to become the global No.1 brand in thermal switches and protectors, we combine precision engineering with rigorous quality control to deliver components that ensure safety, efficiency, and longevity across countless applications.

ISO & TÜV Certified Manufacturing
Over 10,000 Life Cycles Tested
UL, VDE, RoHS Compliant Components
Factory Interior
61+
Snap Disc Models

Our Premium Products

Engineered for performance, durability, and safety. Explore our full range of thermal switches and protectors trusted in household, industrial, and automotive applications.

Snap Disc Thermal Switch

Snap Disc Thermal Switch

  • • KSD301, 250V 16A
  • • 190°C One-Shot Type
  • • VDE, TÜV, RoHS Certified
  • • Used in electromobile batteries
Get Best Price
Electric Motor Thermal Switch

Electric Motor Thermal Switch

  • • BK20, 150°C, 20A
  • • Dual Overheat Protection
  • • TÜV & UL Certified
  • • For motors & transformers
Get Best Price
Miniature Thermal Switch

Miniature Thermal Switch

  • • JUC-31F, 250V 2A
  • • TO-220 Package
  • • 50°C to 120°C Range
  • • For PCB & Audio Equipment
Get Best Price
Bimetal Thermal Protector

Bimetal Thermal Protector

  • • KSD9700, 250V 8A–10A
  • • Auto Reset Function
  • • 10,000+ Life Cycles
  • • For hair dryers, heaters
Get Best Price
Thermal Cutoff Fuse

Thermal Cutoff Fuse

  • • SF240E, 250V 10A
  • • 240°C Jet Temp Rating
  • • Non-resettable Safety
  • • Overheat Protection
Get Best Price
Auto Blade Fuse

Auto Blade Fuses

  • • 3A to 80A Ratings
  • • Mini & Large Size
  • • Color-Coded for Easy ID
  • • UL Standard Compliant
Get Best Price
EMI EMC Filter

EMI/EMC Filter

  • • Snap-in Mounting
  • • With On/Off Switch
  • • Lightweight AC Noise Filter
  • • For Power Line Stability
Get Best Price
NTC Temperature Sensor

NTC Temperature Sensor

  • • High Precision Detection
  • • Fast Reaction Time
  • • Clip-Type for Easy Install
  • • For HVAC & Industrial Use
Get Best Price

Why Choose Our Thermal Switches?

From design to delivery, every component is built to exceed industry standards in performance, safety, and longevity.

Certified Quality

All products meet UL, VDE, TÜV, RoHS, and ISO standards. Full traceability and compliance documentation available.

Long Life Cycles

Tested for over 10,000 operations. Designed for durability in high-cycle applications like motors and heaters.

Global Support

OEM/ODM services available. Fast response, technical support, and reliable logistics to over 50 countries.

61+
Snap Disc Models
30+
Motor Protectors
180+
Total Products
50+
Global Markets

Frequently Asked Questions

What is a Snap Disc Thermal Switch?

A bimetallic disc that snaps open or closed at a precise temperature, used for overheat protection in appliances and motors.

Do you offer custom temperature settings?

Yes, we provide OEM/ODM services with customizable trip temperatures, current ratings, and housing types.

Are your products RoHS compliant?

Absolutely. All our thermal switches and fuses meet RoHS, REACH, and other environmental safety standards.

What industries use your thermal protectors?

Our components are used in household appliances, HVAC systems, electric motors, power tools, automotive systems, and industrial equipment.

Get in Touch

For quotes, technical support, or custom solutions, visit our official website to connect with our sales team.

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