Function: The high current circuit breaker features a bimetal structure to protect your trolling motor from potential damage due to overload or short circuit, helping save time and money. Current: 30 A, compatible with 12 and 24 volt systems. The shell is made of thermoplastic and is waterproof. Includes ignition protection. Resettable: Yellow manual reset button eliminates the need to replace inline fuses and can also function as a battery on/off switch. Installation: Designed for surface mounting on panels or firewalls. Includes protective nylon insulator. Stud size: 0.64 cm - 71.12 cm. Easy to install and durable. Application: Suitable for use in solar energy systems, battery charging, frequency converters, boats, DC sound amplifiers, vehicles, off-road vehicles, winches, yachts, and electrical control systems. Color: Black Material: Plastic Size: 74 mm Package Contents: 1 x Circuit Breaker Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.