KSD301 Snap-action temperature switch
I. Overview KSD301 is the most versatile disc-shaped bimetallic snap-action thermostat switch, commonly known as “temperature protector/thermostat”, featuring automatic reset,



Used for ultrasonic equipment and power drive equipment
Used for ultrasonic equipment and power drive equipment;
Our Strength, Your Confidence
Independent core tech, quick custom response
Full-process quality control, defect rate <0.01%
In-house full-chain production, more competitive pricing
7×24 technical support, 2-hour response
Professional Strength for Secure Partnerships
Founded in 2013, INFEIMI is a national high-tech enterprise, a "Specialized, Refined, Differential, Innovative" enterprise in Shenzhen, and an intellectual property management system certified company. Our products meet global semiconductor industry standards.
With a 10,000 ㎡ standardized factory and automated production lines, we ensure sufficient production capacity. We have served over 1,000 long-term cooperative customers, delivering stable and reliable products.
Over 1,200 product models cover full power ranges, widely adapting to new energy vehicles, photovoltaics, energy storage, industrial control, home appliances and other scenarios.
Our products are exported to more than 40 countries and regions. We have established long-term partnerships with domestic and foreign enterprises, and gained high market recognition.
I. Overview KSD301 is the most versatile disc-shaped bimetallic snap-action thermostat switch, commonly known as “temperature protector/thermostat”, featuring automatic reset,
I. Brand and Positioning INFEIMI JUC-31Fis a domestic snap-action bimetallic temperature switch (thermostat) with TO 220 plastic encapsulation and straight-through
I. Brand and Positioning INFEIMI KSD 01F is a domestic snap-action bimetallic temperature switch (thermostat) with TO 220 plastic encapsulation