1、Compatible: For DC 12‑48V systems, isolation and protection of electrical systems, can be used alone or with other switches locked together. Commonly used in cars, vehicles, RVS and boats, as well as electrical equipment switches. 2、Prevent Battery Exhaustion: If your car or electrical system is not in use for a long time, the power off switch can help you effectively cut off the main power when you are not using the device. 3、Working Current: 12VDC/300Amp continuous current, 900Amp 5 seconds peak current; 24VDC/150Amp continuous current, 450Amp 5 second peak current 4、Easy Installation: The copper terminals measure 3/8in(10mm) x 2, use detachable knobs and side panels, and come with four M4 x 50mm mounting studs to make installation easy. 5、Cable Requirements: The minimum size of the high current cable is not less than 0AWG or the cross sectional area of the conductor is not less than 50mm ². 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. Sold by-dadangjia