The K1D034MCH is a 12A, 3-position (L1L2-L2L3-L3L1) voltmeter cam switch manufactured by Schneider. It is suitable for mounting on symmetrical power supplies and is designed for snap-action switching and switching at a rated current of up to 12A. The switch features an integrated movable contact or "switch tip", of various length according to the switch's rated current and is made of nickel-plated copper. The switch housing is made of a high-grade plastic and is UL and CCC approved. The contacts are UL-recognized and VDE-certified.