KST Temperature Switch

Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of kst temperature switch in China, also supports custom service. Welcome to wholesale high quality kst temperature switch at competitive price from our factory.

 

The core component of the KST thermostat is a bimetallic disc. When the ambient temperature reaches the preset rated operating temperature, the disc undergoes a momentary, rapid physical deformation ("kick") due to the different thermal expansion coefficients of the two metals, causing the electrical contacts to quickly open or close the circuit. When the temperature drops to the reset temperature, the disc returns to its original shape, causing the contacts to close or open again.

• High Reliability and Long Life: The purely mechanical structure, devoid of complex electronic components, offers strong anti-interference capabilities and a long service life (typically exceeding 100,000 cycles).
• Cost-Effectiveness: KST thermostats offer significant cost advantages over electronic thermostats, making them ideal for high-volume, cost-sensitive applications.
• Precise and Rapid Action: The "snap" action ensures rapid contact opening and closing, effectively preventing arc erosion, extending service life, and providing immediate response to temperature changes.
• Safety: The normally closed KST thermostat is widely used for overheat protection, permanently shutting off the circuit when equipment overheats abnormally, preventing fires and other safety incidents.
• No External Power Supply Required: The thermostat consumes no power, simplifying circuit design.
• Compact Structure and Easy Installation: The small size makes it suitable for space-constrained applications, with a variety of mounting options available, including plug-in, threaded, and bracket mounts.

 

 

Rated voltage	AC 250V, AC 120V
Rated Current	10A, 15A, 16A, etc.
Temperature Parameters	50°C to 180°C
Reset Temperature	Typically 10°C to 30°C lower than the operating temperature (customizable).
Lifespan	Mechanical life >100,000 cycles
Terminal Type	Tab terminals (standard/quick-connect), lead terminals, screw terminals
Safety Certifications	nternational Standards: VDE, TUV, CQC, RoHS, etc. (can be recommended according to target market)

 

1. Voltage and Current: For example, 120VAC 15A.
2. Operation Temperature: For example, 85°C.
3. Reset Temperature/Differential: For example, automatic reset (automatically turns on when the temperature drops) or manual reset (requires pressing a button), and the specific reset temperature (for example, 55°C).
4. Accuracy Requirement: For example, ±3°C.
5. Mounting Method: Plug-in (need to provide hole diameter, such as Φ15.5mm), threaded (need to provide thread size, such as M4), bracket, etc.
6. Dimensional Drawing: If you have special structural requirements, it is best to provide a sketch.
7. Case and Terminal Material Requirements: For example, whether high-temperature resistant or flame-retardant materials are required.
8. Wire Type and Length: For example, silicone wire, 150mm length.
9. Wire Size: For example, 18 AWG.
10. Terminals: For example, 0.250" quick-connect tabs.
11. Annual Demand/Initial Order Quantity: This is crucial for the quote; higher volumes result in better unit pricing.

 

Q1: What are "auto reset" and "manual reset"? How do I choose?
A1:

Auto reset: Automatically restores power after the temperature drops. This is ideal for applications where the device automatically restarts after a fault is resolved, such as electric kettles and coffee machines.

Manual reset: After a temperature-triggered trip, the device must be manually reset by pressing a reset button. This is primarily used for safety protection, such as in heaters and transformers, to prevent a dangerous automatic restart before the fault is resolved.

 

Q2: What is the temperature accuracy of your thermostats?
A2: Our standard product accuracy typically ranges from ±2°C to ±5°C. The specific accuracy depends on the operating temperature and model. We can provide customized products with higher accuracy based on your application requirements.

 

Q3: What is the minimum order quantity?
A3: As a custom manufacturer, we are very flexible. For standard products, the MOQ can be very low. For fully customized models, there is usually a certain MOQ requirement (e.g., 5,000 pieces) for the initial order, depending on the complexity of the design and the mold cost. We will do our best to accommodate your needs.

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