Automatic power outage protection. When the load exceeds the rated current, this reset button will automatically break the circuit, thereby playing a role in protecting the line. Reset This circuit breaker can be reset after disconnection for a period of time, then you can press the reset button to use it again. Mounting Thermal Circuit Breaker Manual Reset The current overload protector is widely used in the automotive, industrial, and marine industries. Durable Made of durable plastic, high quality and long service life. Compact design allows for high-density circuit protection configuration. Durable Made of durable plastic, high quality and long service life. Compact design allows for high-density circuit protection configuration. Safety Reset Fuse Thermal Contactor Waterproof Compressor Relay Circuit Breaker with 112b Manual Reset Switch Overcurrent Protection Reset Thermal Circuit Breaker 5A 8A 10A 15A 18A 20A 125/250 Circuit Breaker Specification: Condition: 100% Brand New Rated Voltage: DC 50V, AC 125-250V, 50/60Hz Current: 5A/8A/10A/15A/18A/20A/30A (Optional) Material: Plastic, Metal Color: Black Size: Show as picture Package Weight: Approx. 26g Package List: 1 x Overload Protector Perfect replacement: Easy to install, perfectly compatible with your original car;