Battery Switch 12-48V Waterproof Heavy Duty Battery Power Failure Main Switch Isolator Switch for Car Vehicle RV Boat feature: Easy to install, the smallest four-sided baffle of the switch is removable; Quality of copper screws; The base is removable and easy to install; High current switch; instantaneous current can reach 1000a, DC 275a; Can be used for RVs, motor yachts, etc.; Small size, high quality. Specification: Voltage: DC0-60V Maximum current: 300A Rated current: 275a (12v), 150a (24v), 75a (48v) Mounting screw diameter: 10mm Dimensions: 69x69x75 ( 0.5mm) Operation: on/off This product is widely used in various RV, boat, and winch power cords, and is suitable for indoor and outdoor electrical equipment switches, such as flashlights, chassis lights, fog lights, lampshades, etc. pack: 1 x car battery selector rotary switch