MT055 Large Frame Isolator — 48V, 600A Continuous, 800A Intermittent, 2500A Starting At this current level the isolator stops being an accessory and becomes part of the power architecture. The MT055 carries 600 amps continuously, 800 amps intermittently, and 2500 amps during engine or motor starting, on systems up to 48 volts. It is intended for electric-drive craft, large lithium banks, thruster and windlass installations, and commercial vehicles where a small switch would