elf-recovery circuit breaker, car audio conversion protection, power recovery circuit breaker Applicable to: When the car is equipped with a speaker, a car double battery isolator, a winch, etc., it is used to protect the line.Recoverable insurance automatically disconnects the protection circuit when the current reaches a predetermined value. The difference with ordinary insurance is the following three points: 1. Its sensitivity is very high, can protect circuit electrical appliances in time 2. After disconnecting and troubleshooting, it can be manually resumed and used manually. 3.it can control high current circuit Specifications: Material: ABS Format:30A.40A.50A. 60A 80A.100A 125A.150A 200A 250A. 300A Features: 100% brand new and high quality Leakage protection, overload protection Good conductivity and craftsmanship, high temperature pressure Instructions for use: 1.If you need to disconnect manually, you can press the manual disconnect button, do not forcibly open the reset wrench, or it will cause the shaft to break. 2.When the power is on, the rated current is reached or close, the circuit breaker will automatically disconnect. This product uses the principle of thermal induction, so the current when disconnected is not the rated current. 3.After manual disconnection, push the reset wrench can be reset. After the automatic disconnection, and product has cooled, can push the reset wrench to reset. Package Includes: 1x Car Audio Circuit Breaker Voltage: 12v-60v