Product Specification: 1.Material: Plastic and metal 2.Size: 3.85in (L) x 1.69in (W) x 1.37in (H) 3. oltage: 12-24V DC 4.Net weight: 85g 5.Suit gauge wire: 4-15 AWG( In 4AWG Wire without the red ring) 6.Connection way: Any side for positive, another is negative 7.Work Temperature: -10C to 50C (-14F to 122F) 6.Ampere range: 10A/15A/20A /30A /40A/50A/ 60A/80A/100A/150A for choose Features: -Manual open circuit push button. -Self-Testing & Manual Override. -Easy to operate with manual reset arm. -instead of built-in fuse holder. -No fuse change trouble. -Great safety and cost effectiveness. -Made of alloy materials, good conductivity, high technology and high temperature resistance. -Unique Push Button Reset can also be used as a Kill Switch. Application:Suitable for car audio/video system, Boat, trucks, buses, RV's, ATV Winches and marine and DC sound amplifier system overload protection. Instructions: 1.Wiring IN (BAT) incoming line, OUT (AUX) outgoing line. 2.Press the ellipse button, the long handle pops open, and the breaker is powered off. (Be sure to press the ellipse button. If you use the long handle to power off the handle, the breaker will be broken.) 3.After resetting the popped long handle, the circuit breaker is energized. Please Note: 1.Please choose the right current circuit breaker base on your requirements. 2.Please correctly push the button to avoid damage the Circuit Breaker. 3.This Circuit Breaker can work with 4 AWG Wire, please take away the inner core as your Awg. 4.Please order and use the Circuit Breaker with right work temperature, to avoid it is too heat and stop work. Package Contents: 1 pcs x 125A Car Audio Fuse Holder