HCET-B Thermal Cutoff Switch - High Temperature Protection for Motors & Appliances
The HCET-B Thermal Cutoff Switch is a self-resetting safety device designed to protect motors and electrical equipment from damage caused by overcurrent and overheating. Combining precise temperature sensitivity with adjustable current trip settings, this dual-protection switch automatically interrupts power within 3-8 seconds of detecting dangerous conditions, then resets when temperatures normalize.
Key Specifications
| Product Name |
HCET-B thermal protection switch |
| Temperature Range |
50~180℃ |
| Tolerance |
±5℃,±8℃ |
| Voltage |
250V |
| Protection Current |
1~35A |
| Trip Time |
3~8 sec |
| Application |
Motors & Appliances |
Product Features
- Dual-Sensor Protection: Simultaneously monitors temperature (±5°C accuracy) and current overloads to prevent motor burnout in critical applications
- Adjustable Trip Settings: Customizable current protection range 1-35A with 3-8s response time and temperature activation threshold configurable from 50°C to 180°C
- Manual Reset Function: Requires intentional reactivation after tripping for added safety and prevents accidental restarts in industrial equipment
- Robust Construction: PBT housing withstands 250V AC/30V DC with compact design (20.2mm dimensions) for space-constrained installations
Electrical Characteristics
| Temperature Range |
50℃~180℃ (Customizable temperature, please contact us) |
| Action Time |
3s~8s |
| Temperature Tolerance |
±5℃, ±8℃ |
| Overload Current Tripping Range |
1A~35A |
| Electrical Specifications |
30amps/15volts DC, 15amps/30volts DC, 25amps/250volts AC, 35amps/125volts AC |
Product Dimensions

Product Details

Typical Applications
