Master Battery Cutoff Switch with Alternator Protection, 100A

Competition-proven master switch with alternator protection is rated for 100 amps continuous duty:

• This switch has three sets of contacts for cars with alternators.
  • The main contacts disconnect the battery while the auxiliary contacts disconnect the ignition coil and short the alternator output to ground through a 3 ohm resistor that is furnished with the switch.
• A removable actuating key with splash guard, weather-proof cap, resistor and installation instructions are included.
• 500 amp max rating.
• Part number B-612-0039-5-2. Alternate part numbers are 4430 and B 612.0039-5.2.