FEATURES The on-off disconnect switch is designed for use on a single 12-48 volt battery. It can prevent unknown devices from draining the battery and save you from having to recharge it on a regular basis. The patented Contour Locking System, allowing it to be a stand-alone unit, or locked together with other switches This battery cut off kill switch has four removable side plates provide access of up to 1/0 cables. The rear cover insulating the rear terminals against any short circuits, ensuring that the switch meets ABYC requirements Tin-plated copper studs and nuts; Ignition-protected This contour battery master switch is widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and other 0-48V Devices PRODUCT DETAILS Operation: On/Off Voltage: 12V-48V DC Continuous Current: 300A(12V), 150A(24V), 75A(48V) Max current: 1250Amps DC Stud Size: 2x3/8 (M10 10mm) 4 Position diameter Bolt and Nuts sizeM8 8mmSpecification: Dual battery disconnect switch is in self-cleaning sliding contact design. Rated at 275 amps continuous, 455 amps intermittent, and 1250 amps cranking. Voltage: 12V-60V DC. Stud Size: 2x3/8 (10mm) Dual 1-2-Both-Off Battery Switch: With a master switch you can ON or OFF or both ON/OFF a group of loads irrespective of their individual ON/OFF switch control Heavy Duty Battery Switch: Made ABS plastic housing, and the 4 sets of bolts is tinned copper studs(2 x 3/8 (10mm). Marine battery kill switch Fits into the contour lock system allowing it to be a stand alone unit, or locked together with other switches Safe Protective: Battery master disconnect switch comes with CE Certification, and 4 removable side plates, the rear cover insulates terminals against any short of circuit. Please rest assured to choose as your rv battery switch disconnect atv battery switch Widely Use: Master switch disconnect isolator switch is well suited to larger vessels and can be recess or surface mounted. Also widely used for RV, ATV, car, marine boat, camper, camper, travel trailer, truck, UTV, etc