Features 1. Make before break contact design supports switching without interrupting power, allowing simultaneous switching of two isolated battery packs or combining battery packs to all loads. 2. Ignition protected for safe installation on gasoline powered boats; rated for continuous 350A current on inboard gasoline or diesel engines. 3. Four tinned copper studs provide maximum conductivity, compatible with battery cables up to 4/0 AWG; studs accept 3/8in (M10) ring terminals, with 7/8in (22mm) stud length allowing multiple cable terminations. 4. Designed for easy surface or rear panel mounting; tactile indicators allow knob position identification by feel; IP66-rated enclosure ensures safety and water resistance. 5. Suitable for a wide range of applications including boats, small yachts, RVs, campers, trucks, cars, ATVs, UTVs, and battery banks. Specification Item Type: Battery Isolator Switch Material: ABS plastic housing, silver-plated copper core Position: OFF ON Maximum Voltage: 32V DC Continuous Rating: 350A Intermittent Rating: 525A (5 minutes) Cranking Rating: 700A per circuit (30 seconds) Waterproof Rating: IP66 Terminal Stud Size: 3/8in-16 (M10) Application: Marine, boat, RV, heavy-duty truck, and modified vehicle systems Package List 1 x Battery Disconnect Switch