Industrial KZM3-4-U-NA Manual Motor Starter Protector

The Klockner Moeller KZM3-4-U-NA Manual Motor Starter Protector is a 3-pole thermal-magnetic motor protection switch that provides manual switching, overload protection, and short-circuit protection in industrial motor control systems, offered in a compact DIN rail- or panel-mount package. It features a 2.5 to 4 A adjustable current range, a rated operational voltage up to 690 VAC, and a thermal-magnetic trip unit for reliable motor protection. Commonly used in conveyors, pumps, compressors, HVAC equipment, and manufacturing machinery, it suits motor control centers and electrical panels where motors require adjustable protection in demanding environments. Common replacements include Eaton PKZM0-4 Manual Motor Starter, Eaton PKZM4-4 Motor Protector, and Schneider Electric GV2ME08 Motor Starter Protector.