1. Fully Enclosed Protection This battery disconnect switch features an ABS plastic enclosure with copperplated studs, shielding internal components from particles, oxidation, and water. Ideal for marine and offroad environments requiring extendeduse electrical management. 2. OverDischarge Protection Battery cut off switch isolates DC 1248V systems to reduce parasitic electrical drain when vehicles are parked. Securely disconnects supply during maintenance with 275A continuous/1250A maximum current ratings. 3. DualDirection Function 2position turning switch works clockwise (open circuit) or counterclockwise (closed circuit). Rated for 455A shortterm loads (5 mins) with colorcoded labels (redoff/greenon) for quick status checks. 4. Universal Compatibility Battery isolator works with RVs, boats, trucks, ATVs and campers. Installs in minutes using included bolts/nuts to secure battery terminals, avoiding accidental disconnection during vibration.