KSD301 Series Snap-action Bimetal Thermostat
Product Details
Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of ksd301 series snap-action bimetal thermostat in China, also supports custom service. Welcome to wholesale high quality ksd301 series snap-action bimetal thermostat at competitive price from our factory.

KSD301 Series Snap-action Bimetal Thermostat
Jaye's KSD301 Series Snap-Action Bimetal Thermostat is a compact temperature control and protection device designed for electrical appliances and heating equipment. It uses a bimetal disc sensing structure that quickly switches the circuit ON or OFF when the preset temperature is reached. This thermostat is widely used in household appliances, heating equipment, electric devices, and industrial temperature protection systems.
We are a professional manufacturer of heating elements and temperature control components, providing reliable and cost-effective thermal solutions for global equipment manufacturers. With strict quality control and advanced production technology, our temperature control products deliver stable performance, accurate temperature response, and long service life.
Products Description
| Rated voltage | 250/120V |
| Hot insulation resistance | >7MΩ |
| Rated current | 10A/16A |
| Normal working temperature range | 0~250 |
| Working temperature difference | ± 15 |
| Moisture leakage current | <0.5mA |
| Cold withstand voltage | >2400V/S |
| Contact state | Off/on |
| Rotation angle | 0-310ºC |
| Contact resistance | <50MΩ |
| Insulation resistance | >100MΩ |
| Electric strength | 2000V/0.5A/1s |
| Service life | 100, 000 times |
| Easy for installation | |
| Size of the terminal and the angle can be made according to the customer's requirements | |

Features and Benefits
The KSD301 snap-action thermostat is designed for safe and reliable temperature control.
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Fast Snap Action Response
The internal bimetal disc provides quick switching action when the temperature reaches the preset point, helping protect equipment from overheating.
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Reliable Temperature Control
The thermostat maintains stable temperature performance and helps electrical appliances operate within a safe temperature range.
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Compact Design
Its small size allows easy installation inside limited spaces, making it suitable for compact heating equipment and household appliances.
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Long Service Life
The snap-action structure reduces contact arcing and improves operational reliability during repeated switching cycles.
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Custom Temperature Options
Jaye Heater supports customized temperature settings, terminal types, reset methods, and mounting structures according to customer requirements.
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Applications and Advantages
KSD301 Thermostat for Heating Appliances
Heating appliances require reliable temperature protection to prevent overheating. The KSD301 thermostat can monitor temperature changes and disconnect the circuit when abnormal temperature conditions occur.
Applications include:
- Electric heaters
- Heating pads
- Hair dryers
- Electric blankets
- Small heating devices
KSD301 Thermal Protector for Home Appliances
Many household appliances use compact thermal protectors to improve safety and extend product life.
Common applications:
- Coffee makers
- Water dispensers
- Toasters
- Microwave ovens
- Portable refrigerators
KSD301 Temperature Controller for Industrial Equipment
Industrial equipment often requires simple and reliable temperature protection solutions. KSD301 thermostats are suitable for equipment where automatic temperature switching is required.
Applications include:
- Heating systems
- Control panels
- Electrical equipment
- Small industrial machines

FAQ
1. Can KSD301 thermostats be customized?
Yes. Jaye Heater provides customized KSD301 thermostats according to customer requirements, including:
Operating temperature
Reset type
Contact type
Terminal design
Housing material
Mounting method
2. What is the difference between automatic reset and manual reset?
Automatic reset thermostats will return to their original state after the temperature drops below the reset point, while manual reset models require physical resetting after protection activation.
3. What applications use KSD301 thermostats most often?
KSD301 thermostats are commonly used in coffee machines, water dispensers, electric heaters, microwave ovens, heating pads, and other compact electrical appliances.
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