The OMP Universal Battery 6-Pole kill switch offers 3 sets of contacts for vehicles with alternators. Primary contacts disconnect the battery, while the secondary contacts disable the ignition coil and short the alternator to ground. Includes a 3-ohm resistor (to help protect the alternator), weather-proof cover, and removable red key (remote cable compatible). Rated for 100 Amps of continuous duty, and 500 Amps peak