Features Dual Circuit Switch: Battery switch operates two isolated battery packs (not included) simultaneously without interrupting power. Ignition Protection: IP66 waterproof rating for safe installation on gasoline-powered boats; 300 amp continuous rating suitable for outboards and small gasoline or diesel engines. Tinned Copper Studs: Provides good conductivity; studs accept 3/8in (M10) ring terminals; 7/8in (22mm) stud length allows multiple cable terminations. Easy Installation: Isolation cover protects rear contacts; breakout tabs enable wire access from any direction; enclosure design supports surface, rear panel, or front panel mounting. Wide Application: Suitable for use in cars, boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery packs, and other equipment. Specification Item Type: Battery Switch Material: ABS, Nickel-Plated Copper Battery Combination: None Alternator Field Disconnect: No Maximum Voltage: 32V DC Stud Size: 3/8in Continuous Rating: 300A Intermittent Rating: 450A (5 minutes) Startup Rating (30 Seconds): 675A per circuit Battery Input: 2 Mounting Holes: Accept M10 screws Stud Material: Tinned Copper Terminal Size: 3/8in-16 (M10) Function: Switches two isolated battery packs simultaneously Fitment: Ideal for marine or RV applications Package List 1 x Battery Switch 4 x Screw