1. Thermal Cutoffs A thermal cutoff is a temperature activated device used to protect equipment by interrupting current when a preset temperature is reached. Key benefits Reliable overheat protection: opens the circuit at the rated temperature. Easy integration: designed for straightforward installation in a variety of assemblies. Reduces risk: helps prevent damage and fire hazards in electrical devices. Space efficient: available in compact sizes for tight spaces. Function and operation When the device temperature reaches the cutoff rating, current flow stops (the circuit opens). After activation, replacement is required to restore normal operation. Compatibility Suitable for use in appliances, power supplies, heating elements, motors, and other electrical equipment where overheating protection is needed. Correct selection depends on the model cutoff temperature, current rating, and lead configuration. Size and materials Dimensions and materials vary by model; refer to the specific datasheet for exact size, body material, and insulation details. Built to maintain reliable performance under typical operating conditions. Performance Consistent shutoff at the specified temperature. Robust construction supports reliable operation in daily use. Use scenarios Scenario 1: In a kitchen appliance such as a toaster or coffee maker to guard against overheating when airflow is restricted or a control sensor fails. Scenario 2: In a power supply or charger to interrupt current if internal temperature rises, protecting downstream components. Scenario 3: In a heating element or battery pack to provide automatic safety shutdown during thermal buildup.