Grayston FIA battery master switch, a 6 pole master battery cut off switch, which isolates the engine and protects the alternator circuits against heavy voltage surge, whist isolating the charging circuit, preventing engine 'run-on'. The switch can controls circuits with upto 500 amps initial load and 100 amps continuous load, on 12 or 24v systems.
Meets FIA and MSA requirementsMeets FIA and MSA master switch recommendationsMore cost effective alternative for limited budgetsKit supplied includes resistor and a wiring diagram
Supplied with a resistor for alternator surge protection, removable red key and water resistant rubber cover. 4 terminal, double switched base with 2 main 10mm poles, rated at 100amps continuous for both 12v or 24v use, with a wiring circuit drawing included.