Item Type: Battery Disconnect Switch Material: ABS, red copper Working Voltage: DC 12-48V Scope of Application: Car power main switch, yacht RV truck switch Ratings: 275A DC continuous (1 hour), 455A DC intermittent (5 minutes), 1250A DC start (10 seconds) Package List 1 x Battery Disconnect Switch 4 x Bolt 4 x Nut 1.Manual measurement error, specific to the actual size prevail2.On: Power (green) to closed circuit with 2 gearsOff: cut off the circuit without power (red) 1[Fully Enclosed Design] The power off switch adopts a fully enclosed design, which can prevent the circuit from being affected by dust and rain. 2[Prevent Over Discharge] Disconnect switch safely disconnects the battery when the vehicle is not in use, shuts down power during maintenance, and prevents over discharging the battery. 3[ABS Shell] The shell of the power off switch is made of ABS material, which has good corrosion resistance and can also be used in harsh weather conditions. 4[Red Copper Internal Stud] The inner stud of the power off switch is made of red copper, which has good conductivity and durability, and its bearing capacity is stronger and has a longer service life. 5[Wide Application] Common to RV, marine, car, boat, camper, truck, ATV, UTV batteries and other engine applications, the battery isolator switch makes it easy to turn the battery on and off.