Function: 1. Excellent function: Designed to safely disconnect the battery, isolate and protect the electrical system, and eliminate power consumption from the battery when the vehicle or boat is not in use. 2. Wide Application: The battery switch is widely used do car, RV, ATV and boat batteries, it also works on electrical equipment, can stand alone or be locked together with another switch. 3. Convenient installation: durable battery shut-off switch is designed with 2x10mm (3/8 inch) pin and four removable side plates that provide do do 1/0 cables. 4. The ABS: main battery shut-off switch is made of the highest quality ABS plastic, meets the requirements of ABYC to a high degree, and the back cover insulates the rear terminals from any short circuits, safe to use. 5. Professional switch: The battery switch is designed with 2 positions On Off, rated voltage DC 12 V-48 V, continuous rated current 275 A DC, intermittent 455 A DC and 1250 A DC inrush current. Specification: Item Type: Main Battery Power Switch Material: ABS Continuous rated current: 275A DC Intermittent rated current: 455A DC Rated starting current: 1250A DC Rated voltage: 12 V-48 V DC Action: Enable Disable Installation method: flush mount or surface mount Product Size: Approx. 69x69x75mm/2,7x2,7x3,0 inch List of packages: 1 x Main Battery Power Switch 4 x Screw 4 x Nut 1 x Manual Plug and play Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.