Description: 【High Current Rating】: This switch is rated for 300A continuous operation and can handle a momentary current of up to 1000A. It is suitable for use in 12-48 VDC systems to isolate and protect electrical systems. 【Heavy Duty Construction】: Master Battery Disconnect Switch is made with an aluminum alloy shell, this switch is sturdy, , and safe to use. The base features 2x 3/8 inch copper screws and a 3/4 inch installation hole. 【Versatile Application】: Battery Disconnect Switch ideal for use in Atv, RVs, trailers, vehicles, trucks. It can also be used as a switch for electrical equipment such as flashlights, chassis lights, fog lights, top lights, instant power off etc. 【Quality Material】: The switch is made from quality materials including aluminum alloy and brass copper ensuring longevity and reliability. 【Package Includes】: 1x 300A High Current Battery Disconnect Switch Specification: Material: Aluminum alloy, brass, copper Size Chart: 10.8cm/4.25inch   Package Includes: 1 High Current Master Battery Disconnect Switch Note: Please allow slightly errors 1-2cm differences due to manual measurement.