Thermal Cutoffs - Function and purpose A one-time protective device that opens the circuit when a preset temperature is reached, preventing overheating and potential damage. - Why you need it Protects wiring, insulation, heating elements, motors and electrical components from excessive heat; helps reduce the risk of fire and equipment failure. - How it works It is a non resettable fuse that remains closed during normal operation and permanently interrupts current when the activation temperature is exceeded. - Key attributes to consider - Temperature rating: Available in a range of activation temperatures to match equipment requirements. Select the rating that aligns with the maximum safe operating temperature of your device. - Size and form: Compact and lightweight to fit into small appliances and assemblies. Actual dimensions vary by model; consult the datasheet for exact size. - Material and housing: Encapsulated in a robust housing suitable for appliance environments; materials vary by model. - Performance: Fast response to overheating with reliable operation at the specified activation temperature. - Compatibility: Suitable for a wide range of applications including heating elements, electric motors, power supplies, battery packs, and electrical enclosures. Verify model-specific compatibility in the datasheet. - Use scenarios - In a home coffee maker or kettle: protects the heating element by interrupting power if the temperature exceeds the safe limit. - In a power supply or charger: prevents overheating during high load or fault conditions. - In a battery pack or portable device: provides a safety cutoff to prevent thermal runaway. - Installation and replacement - Integrate into assemblies requiring one-time protection; once activated, the cutoff must be replaced. - Use with the correct rating and proper wiring practices; ensure secure terminal connections and adequate insulation; follow the device datasheet and safety standards. - Additional notes - Temperature ratings and physical dimensions vary by model; refer to the product datasheet for exact specifications. - Choose the rating that corresponds to your equipment’s maximum safe operating temperature.