Reactors / chokes 3-phase reactors standard types Type 3MCH Wiring diagram Reactors dimensioned for three-phase 400 Volt systems. Suited as system or commutationreactor. The reactors are manufactured of high standard materials: Core made of grain oriented, cold-rolled laminated steel sheets and windings made of copper wire with temperature class H (180°C). Modern welding techniques gives a low noise level. The 3MCH type can be supplied with different kind of terminals or other special designed connections. Reactors can also be supplied strictly on customer specifications. Construction class: Insulation class: Standard types Type