Description:Emergency protection: This kind of circuit breaker can turn off the power in emergency sensitively, making sure your security and avoiding electricity accidents.Wide use: The circuit protector is a good protective supply for trucks, cars, boats, marines and other vehicles, it can be used to control the large-current circuit.Sturdy: This marine fuse holder is made from plastic, which is durable and long-lasting, you can use it for a long time without worrying about being cracked or broken.Portable: Designed with a small and lightweight, this fuse holder is easy to store and carry, it will not occupy so much space of your vehicle.Manual reset: You can reset the fuse and circuit manually by preing the long handle to the regular position after repairing, not easy to make trouble for you. Specification:Material: ABS.Color: black.Size: approx. 100*42*42mm/3.94x1.65x1.65inch.Rated data: 30A 50A 80A 125A 150A.Voltage: 12-24V. How to use:1.Connect the cable.2.Pre the button, the long handle is opened and the circuit is powered off(be sure to pre the button).3.Reset the long cable, the circuit breaker works. Note:Due to the light and screen difference, the item;s color may be slightly different from the pictures.Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package included:1 piece circuit breaker.