MT019 150A Two-Position Battery Isolator Switch Buyers who stock and resell isolator switches care about three things: the part must be consistent batch to batch, the rating must be honest, and the packaging must survive export handling. The MT019 is built for that trade. It is a 150 amp, ON-OFF rotary disconnect rated for 12 to 24 volt DC systems, supplied with a fixed bill of materials so the unit you receive in month six matches the sample you approved. Operation is