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 allows it to be a stand-alone unit or locked together with other switches. This battery cut off kill switch has four removable side plates that provide access for up to 1/0 cables. The rear cover insulates the rear terminals against short circuits, ensuring the switch meets ABYC requirements. Tin-plated copper studs and nuts; ignition-protected. This contour battery master switch is widely used for cars, marine applications, boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks, and other 0-48V DC devices. Specifications: Material: Plastic, Metal Continuous Rating: 275A DC Intermittent Rating: 455A DC Cranking Rating: 1250A DC Voltage Rating: 12-48V DC Operation: ON/OFF Mounting: Recessed or Surface Ignition Protected Termination Stud Size: 20x10mm (3/8 inch) Dimensions: 69x69x75 mm / 2.75x2.75x3 inches Note: Please allow 1mm error due to manual measurement. Due to differences between monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Battery Switch 4 x Screws 4 x Nuts 1 x Manual 2 x Red Heat Shrink Tube 2 x Terminal Rings