Descriptions:This Circuit Breaker offers critical protection to your system. When the system is over power or short circuit, the breaker will cut and save your equipment. No need to replace the fuses, the system can be reset by a simple switch which also offers safe and instant system shut down.Features:This car audio circuit breaker, use in place of an inline fuse holder.With the function of overcurrent protection, overvoltage protection, residual current protection, over-charge protection.Easy to install, can be installed on any panel or wall. This circuit breaker has waterproof protective cover.With car audio/video overload protector.Automatic detection, manual recovery. Specifications:Operation mode: electronicInput voltage: 12-42V DCHigh current protection(Optional): 50A, 80A, 100A, 150A, 200A, 250A, 300ABreaking speed: normal breaking speedExtinguishing arcing capacity: mediumStructure: ACBPolar number: monopole Product size: 74 x 49 x 45mm/2.91 x 1.93 x 1.77inchStud: 1/4"-28Product color: black plasticOperating temperature: - 32 C ~ 82 CWeight: 85gPackage Included:1 x Circuit Breaker