Features:This circuit breaker is designed to protect electrical appliances from excessive current, safer for your life.Switch type, easy to operate. Press once to disconnect, simply push the red part back to reconnect, very convenient.Don't need to take it down, or to install fuse, control it with just one hand.Made from alloy material of good electrical conductivity, high temperature resistance; high tech water resistant housing.Typically used in DC systems in marine applications (as a main or branch circuit breaker ), truck, bus and RV systems, add-on protection for accessories.Specification:Working Voltage: Min DC 5V, Max DC 50VRated Current: 200AMaterial: Plastic & MetalColor: BlackPackage Size: 8 * 5 * 3cm / 3.15 * 1.97 * 1.18inPackage Weight: 90g / 3.17ozPackage List:1 * Circuit Breaker