Grayston FIA Battery Master Switch

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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 requirements

  • Meets FIA and MSA master switch recommendations
  • More cost effective alternative for limited budgets
  • Kit 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.