30A 40A 50A 60A 70A 80A 100A 120A 150A 200A 250A 300A Amp Car Circuit Breaker Portable Waterproof 12-48V Universal Product size: 7.4 * 4.8 * 4.5CM Product material: plastic + metal Package Checklist: 1 x Circuit Breaker Product packaging: OPP Packing size: 10 * 5 * 5CM High Ampere thermal trip circuit breaker with manual reset switch, suitable for various electrical systems. Ideal for use in harsh environments such as racing cars to provide protection against current overload or short circuits. Protective rubber cap prevents unnecessary short circuits. Commonly used in truck, bus, RV, and marine applications; also used for battery and o systems. Surface mount circuit breakers are commonly found in auxiliary and accessory circuits for truck, bus, camper, and marine systems. Sealed waterproof unit for engine compartment and bilge areas. The manual trip switch can quickly disconnect the circuit in an emergency. Connecting bolt size - M6 x 2 nut with integral locking ring to prevent loosening due to vibration. **Specifications:** - Circuit rating: 30A, 40A, 50A, 60A, 70A, 80A, 90A, 100A, 120A, 140A, 150A, 200A, 250A, 300A (optional) - Voltage rating: 12-48 V - Interrupt rating: 3000A @ 30 V - Operating temperature: -32°C to 82°C - Storage temperature: -34°C to 149°C - Number of poles: 2 - Weather rating: IP67 - Certificate: SAE J1627, J1171 / UL1500 - Color: Black - Case material: Thermoplastic, UL Rated 94V0 - Mounting hole (stud) size: 6mm / 1/4 inch - Dimensions: 74x49x44mm / 2.91" x 1.92" x 1.73" **How to use:** **Working method:** 1. Open circuit protection: When the current reaches the disconnection value, the long handle automatically pops open and cuts off the power. Typically, short-circuit situations will cause it to trip. After the fault is removed, press the long handle back to the position to re-establish the circuit. 2. Manual power off: To disconnect the circuit during modifications, directly press the red button on the breaker. At this time, the long handle automatically pops open to cut off the power. To reconnect, press the long handle back to the original position. **Package Included:** - 1 x Circuit Breaker