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KSD301 NC Thermostat Normally Closed Temperature Control Switch

The KSD301 NC Thermostat Normally Closed Temperature Control Switch is a reliable bimetal temperature control device designed for accurate and stable thermal protection. Featuring a normally closed (NC) contact structure, it automatically opens the circuit when the preset temperature is reached, effectively preventing overheating. With fast response and consistent performance, it ensures precise temperature control in a wide range of applications.

    Manufactured with durable materials and a compact design, the KSD301 NC thermostat offers long service life and excellent thermal sensitivity. It is widely used in gas and electric water heaters, household appliances, kitchen equipment, and industrial heating systems. Easy to install and highly dependable, this thermostat switch provides enhanced safety and efficient temperature regulation for both residential and commercial equipment.

    Features

    • Normally Closed (NC) Design
      Automatically cuts off the circuit when the preset temperature is reached, providing reliable overheating protection.

    • High Sensitivity & Fast Response
      Bimetal structure ensures quick temperature detection and accurate switching.

    • Stable & Reliable Performance
      Maintains consistent operation under repeated heating and cooling cycles.

    • Durable Construction
      High-quality metal housing offers good heat resistance and long service life.

    • Wide Application Compatibility
      Suitable for gas water heaters, electric water heaters, household appliances, and industrial heating equipment.

    • Compact Size, Easy Installation
      Standard KSD301 structure allows quick integration into existing systems.

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    Product Parameter

    Item Specification
    Model KSD301
    Contact Type Normally Closed (NC)
    Action Type Bimetal snap-action
    Rated Voltage AC 125V / 250V
    Rated Current 10A / 16A
    Temperature Range 40°C – 180°C (customizable)
    Temperature Tolerance ±5°C
    Reset Type Automatic reset
    Housing Material Metal / Stainless steel (optional)
    Terminal Type 6.3mm terminals / customized
    Service Life ≥100,000 cycles
    Application Water heaters, ovens, heaters, appliances

    FAQ

    Q1: What does NC mean in the KSD301 thermostat?
    A: NC stands for Normally Closed. The circuit remains closed during normal operation and opens automatically when the set temperature is reached.

    Q2: Is the temperature setting customizable?
    A: Yes, the temperature cutoff point can be customized according to application requirements.

    Q3: Can this thermostat be used in gas water heaters?
    A: Yes, it is widely used in gas water heaters, electric water heaters, and other heating appliances.

    Q4: Does the KSD301 thermostat reset automatically?
    A: Yes, this model features an automatic reset function after the temperature drops to a safe level.

    Q5: What is the service life of this thermostat?
    A: The KSD301 thermostat is designed for long-term use, with a service life of over 100,000 switching cycles.