Features: brand new and high quality High Ampere thermal trip circuit breaker with manual reset switch, suitable for other electrical systems. for Ideal for use in harsh environments such as racing for cars to provide for protection against current overload or short circuits. Protective rubber cap prevents unnecessary short circuits. Commonly used in truck, bus, RV and marine applications; also used for battery cost and audio systems. The trip switch manual can quickly disconnect the circuit in an emergency. Switchable surface mount circuit breakers are commonly found in auxiliary and accessory circuits for truck, bus, camper- and marine systems. Specifications: Material:Zinc Alloy Size:Approx.7.4x4.9x4.4cm/2.91x1.93x1.73in Type:30A,50A,80A,100A,200A,300A Net Weight:90g Package Includes: 1x Circuit Breaker note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.