MT054 master isolator — front viewYellow housing and mounting flangeTerminal studs for ring lug connectionsWhen a fleet has more than a handful of boats or vehicles, consistency saves time. The MT054 is designed to be the one master switch fitted across that fleet: yellow housing, two positions, 250 amps continuous, 360 amps for short bursts, and a 32 volt ceiling that covers both 12V and 24V systems.The value is not just electrical. A single recognisable switch means a new