FunctionBattery disconnect switch is applicable to different 12V, 24V, 36V and 48V systems. Its ratings in a 12V DC circuit are as follows: it can allow 200A for an hour, 455A in for 5 minutes, and 1250 A for 10 seconds Battery ProtectionThis battery kill switch can isolate and protect the electrical system; prevent the battery from being drained when the vehicle is is not in use; provide a reliable way to shutdown electrical power during maintenance Sturdy & DurableThe heavy duty cut off switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion and rain After-sales ServiceWe have exquisite craft, strict quality control along with excellent after-sales service. That is why our products are worthy of your purchase Wide CompatibilityThe battery shut off switch is the best choice in harsh ocean conditions. Widely used for car, marine/boat, RV, camper, travel trailer, truck, ATV, UTV, battery banks and other devices