features: 1. The ON/OFF battery disconnect switch is designed for a single 12-48 volt battery. It can prevent unknown devices from running out of battery power and eliminate the need for regular charging. 2. The contour locking system allows it to become an independent unit or be locked together with other switches. 3. The battery disconnect switch has four detachable side panels that can accommodate up to 1/0 of the cable. The back cover prevents any short circuit in the rear terminal, ensuring that the switch meets the requirements. The switch is equipped with tin plated copper screws and nuts for ignition protection. 4. This contour battery main switch is widely used in automobiles, marine vehicles, RVs, campers, travel trailers, trucks, and off-road vehicles, ATV,UTV, Battery packs and other 0-48V universal devices, Ergonomic design helps provide control and accessibility in narrow corners and spaces. Product Description: Voltage: 12-48v Overload current: 300A Rotation angle: 90 degrees Material: ABS+copper Main purpose: power-off switch Size: 2.68 inches x 2.68 inches x 3.07 inches. Package List: 1 battery switch. 4 sets of installation bolts. Attention: When used for electrical maintenance and installation, it is necessary to ensure that the operator holds the qualification for electrical work and takes necessary power-off and insulation protection measures.ABS