Grayston - Full FIA approved battery master switch. An original high quality switch, which is robust, employed by most Motorsport professional teams and has the added bonus of having an alternator protection facility. This switch is capable of sustaining a 90 AMP current draw.
6 pole F.I.A master battery cut off switch isolates engine and protects alternator circuit against heavy voltage surge and prevents engine 'run-on'. Controls circuits up to 500 amps initial load with 100 amps continuous load 12 - 24v.