Feature: 1. High Power Capacity: With a rated current of 300A, this battery selector switch can handle high power loads, ensuring safe and reliable power cutoff and isolation. 2. Dual Circuit: The switch features a dual circuit design, allowing for simultaneous disconnection of both the positive and negative connections, effectively preventing electrical leakage and battery drain. 3. 3 Gear Selection: Equipped with 3 gear positions, you can easily select the appropriate gear according to your needs, providing convenient operation and control. 4. Versatility: This switch is suitable for various boats, cars, trucks, trailers, and RVs. It can be used for power cutoff, anti theft purposes, battery maintenance, and more. 5. Waterproof: With a waterproof and dustproof design, the switch provides extra protection, ensuring long lasting and reliable performance even in harsh marine or automotive environments. Specification: Item Type: Marine Battery Selector Switch.Material: ABS + Brass + Iron Screw Size: M10 x 4 Current: 675A Cranking (30 seconds) 450A Intermittent (5 minutes) 300A Continuous Switch Positions: 3 positions (OFF-ON-PLUS) Applicable Models: Replacement for RV Marine and Automotive Battery Suitable for DC12-24V systems vehicles such as RVs, trucks, campers, trailers, cars, buses, boats, yachts, etc. Package List: 1 x Marine Battery Selector Switch4 x Screw