Description: AUTOMATIC : When the current reaches off value, handle will automatically cut off supply. Generally, it disconnected in the case of circuit. After the fault is eliminated, press handle back . VARIOUS CURRENTS: Circuit breaker includes 10A,30A,50A,60A To meet your different needs. PLASTIC MATERIAL: Circuit Breaker is made of bakelite material, bakelite material has high mechanical strength, good insulation performance, . MANUAL RESET DESIGN: Circuit Breaker with Manual Reset, circuit breaker can be used as the main breaker switch of the circuit, also be used as a disconnect switch. OF APPLICATIONS: Great for overload or short circuit protection for automotive audio/, boats, trucks, ATV winches and systems. Specification: Working voltage: 12-48V Material: Bakelite Size Chart: 10cmx4.3cmx4.4cm/3.94inchx1.69inchx1.73inch Package Includes: 1pc Circuit Breaker Note: Please allow slightly errors due to manual measurement and different monitors.