Supco STC5300 Thermal Cutoff 15 Amp 300°F Single-Use Safety Switch

The Supco STC5300 is a single-use thermal cutoff designed to protect electrical appliances and HVAC equipment from overheating. This safety device is rated for 15 amps and activates at 300°F (149°C), permanently opening the circuit when the critical temperature threshold is reached.

Key Features:

• 15 amp current rating for reliable circuit protection
• 300°F (149°C) activation temperature for high-heat applications
• One-time use thermal fuse design - does not reset after activation
• Compact form factor for easy installation in tight spaces
• Suitable for appliances, motors, transformers, and HVAC components

Thermal cutoffs are critical safety components that prevent fire hazards by interrupting power when equipment exceeds safe operating temperatures. This device is commonly used as a replacement part in dryers, refrigerators, dishwashers, air conditioners, and other heating or cooling appliances. Once activated, the STC5300 must be replaced - it cannot be reset or reused.