Features: Brand new high quality Made of high-quality materials for durability Automotive 30-300 AMP Circuit Breaker IP67 Waterproof Fuse Manual reset switch. Ideal for harsh environments. High current thermal trip circuit breaker with manual reset switch for auxiliary DC electrical systems. It is ideal for use in harsh environments such as racing cars to provide protection in the event of current overloads or short circuits. A protective rubber cap prevents unwanted short circuits. Switchable surface mount circuit breakers are commonly used in auxiliary and auxiliary circuits for truck, bus, RV and marine systems. Sealed waterproofing is available in the engine compartment and bilge area. A manual trip switch can quickly disconnect the circuit in an emergency. Attachment Stud Dimensions - M6 x 2 - Nuts have an integral lock washer to prevent loosening due to vibration. The high-current circuit breaker adopts a bimetal structure to provide ra pid power-off protection when the circuit is overloaded. It is widely used in the electrical control of special vehicles, off-road vehicle winches, yachts and ships. Includes surface mount and protective stud insulators. Product parameters: Circuit rating: 30A/40A/50A/60A/80A/100A/150A/200A/250A/300A (optional) Rated voltage: 12-48V DC Interruption level: 3000A@30V DC Operating Temperature: -32°C to 82°C (-25°F to 180°F) Storage Temperature: -34°C to 149°C (-30°F to 300°F) Stud Size: M6 and 1/4"-28 threads per inch Number of poles: 2 Waterproof grade: IP67 splashproof and dustproof Colour: Black Housing material: UL rated 94V0 thermoplastic Weight: about 87 grams Complies with SAE J1625; SAE J1171, UL1500 ignition protection Package Included: 1 * circuit breaker Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Brand new high quality Made of high-quality materials for durability Automotive 30-300 AMP Circuit Breaker IP67 Waterproof Fuse Manual reset switch. Ideal for harsh environments.