Features： 1、STURDY AND ENCLOSED: Heavy duty cut off switches are constructed of an ABS plastic housing with copper tin plated inner studs. The fully enclosed design protects the wires from dust, erosion and rain, suitable for harsh marine conditions. 2、COMPATIBILITY AND SAFETY: Fit for DC12?48V systems, used to isolate and protect the electrical system; eliminates any power drain on the battery when the vehicle is not in use, safely disconnects the battery. 3、EASY TO OPERATE: On/off 2 positions, compatible with various 12V, 24V, and 48V systems. Clockwise turn for switch on and anti clockwise turn for shut off. 4、WIDE APPLICATIONS: Universal battery disconnect switch for RVs, automobiles, boats, campers, travel trailers, trucks, ATVs, UTV batteries, and other engine applications, easily turn batteries on and off. 5、CURRENT VOLTAGE: Battery cut off switch rated at 275 A continuous (1 hour) 48VDC and 1000 A for 5 seconds. With intermittent current rating of 455 A and starting current rating of 1250 A. Specification： Item Type:?Battery?Disconnect?Switch Switch: On/off Continuous Rating: 275A DC Intermittent Rating: 455A DC Starting Rating: 1250A DC Rated Voltage: 12-48V DC Stud Size: 10mm / 0.39in Fitment: Fit for Boat Car Truck Camper RV Trailer Package List： 1 x Battery Switch?(Total 6 accessories) 8 x Installation Accessories 4 x Copper Ring Terminals 4 x Heat Shrink Tubing 1 x Hex Wrench 1 x Instruction Manual