MT032 Diesel Start Isolator — 250A Continuous, 2500A Peak Engine start is a different job from running a DC board. For a fraction of a second the starter asks for current many times the normal working figure, and a switch with a thin contact set will pit, weld or heat up. The MT032 is specified for both halves of that duty: 250 amps continuous, and a 2500 amp peak held for up to five seconds, on 12 or 24 volt systems. It is a two-position rotary unit: ON closes the circuit,