Circuit Protection Products:Manual Reset (Type 3), Surface Mount OEM Series Techspan High Amperage Manual Reset Circuit Breakers (OEM Series) feature a unique and simple reset mechanism that also provides an easy indication of an open circuit the lever becomes visible. To reset, all that is needed is a simple push of the red button.High Amperage Circuit Breakers are typically used in auxiliary and accessory circuits for Trucks, Buses, RVs and Marine applications (12-30 Volts). Other applications may include battery charger systems as well as DC audio systems. They also contain stud insulators to protect from dust, dirt and moisture. Housings are manufactured with Thermoset plastic (UL rated 94VO) 155°C (311°F). Compliant to SAE J1625. Temperature Ratings: Operating: -32°C (-25°F) to 82°C (180°F) Storage: -34°C (-30°F) to 149°C (300°F).