Suitable for: These 30 amp are suitable for 6-28 volt DC applications and can be installed in 4 directions Function: This DC 12V-24V automatic reset circuit breaker is designed to protect the safety of the user's circuit. When the current is too large or the circuit is overheated, it will automatically disconnect and automatically reset in a safe state. Intimate design: The circuit breaker is equipped with a casing, which can effectively prevent , and the thermal insulation plastic can reduce the risk of for users. Wide range of uses: it can be used in automobiles, electromechanical equipment, vehicles, ships, off-road vehicles and other vehicles, yachts, ships, truck applications, battery chargers, automobile engine electrical control, etc., making your life more convenient colour:Red Material:Metal + plastic size:Approximately 51mm Package Contents: 2 x Automatic Reset Circuit Breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Function: This DC 12V-24V automatic reset circuit breaker is designed to protect the of the user's circuit. When the current is too large or the circuit is overheated, it will automatically disconnect and automatically reset in a safe state. Suitable for: These 30 amp are suitable for 6-28 volt DC applications and can be installed in 4 directions Intimate design: The circuit breaker is equipped with a casing, which can effectively prevent , and the thermal insulation plastic can reduce the risk of for users. Wide range of uses: it can be used in automobiles, electromechanical equipment, vehicles, ships, off-road vehicles and other vehicles, yachts, ships, truck applications, battery chargers, automobile engine electrical control, etc., making your life more convenient