Features: *Brand new and high quality. *Circuit breakers offer critical protection to your system if the system over powers or short circuits the breaker will cut in and save your equipment. No need to replace expensive fuses, the system is resettable via a simple switch also offers safe and instant system shut down. *Self-test, manual override and easy to operate with manual reset a rm. *60/100/200/300 Amp car Audio circuit breaker, use in place of an inline fuse holder. *Prevents excessive current and stops power surges from damaging Amps.Can be mounted on Panel or Firewall. *Typically used in trucks, buses, RVs and marine applications; also used in battery charges and DC sound system. *High Current Circuit Breaker, to protect to your system.Unique Push Button Reset can also be used as a Kill Switch. Specifications: Models: 30A/ 40A/ 50A/ 60A/ 80A/ 100A/ 125A/ 150A/ 200A/ 250A/ 300A Voltage: DC 12V Size: 72mm x 49mm x 45mm Material: Zinc alloy Voltage :12-48 (V) Power :10 (W) Package Included: 1 x Manual Reset Switch(It depends on your option) 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. Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. If you have any questions, please feel free to contact us, we will solve it for you. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. 30-300A AMP Waterproof Car Circuit Breaker Fuse Reset 12V-48V DC Car Boat.