Specification: Waterproof breaker switch compatible with all 12V/48V DC systems Function: Protects automotive electronics by preventing excessive current that may damage electronic equipment Wide Application: Suitable for use in solar systems, battery chargers, inverters, car audio and video systems, boats, RVs, and DC sound amplifier systems Cost Saving: Features two modescurrent overload disconnection and manual disconnection. After circuit repair, the switch can be reset and reused without replacing a fuse Easy to Use and Durable: Offers good conductivity, temperature and pressure resistance, splash and dust proof, waterproof design. Can be panel or firewall mounted Current Ratings: 30A, 40A, 50A, 60A, 70A, 80A, 100A, 120A, 150A, 200A, 250A, 300A Color: Black Material: Plastic + Metal Package Contents: 1 x Circuit Breaker Note: Only the items listed above are included; other products are not included. Due to lighting and display differences, the color in the image may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm