KOA8 400V 12A 2500W Three-phase electromagnetic switch, self-locking contactor, industrial motor holding switch, energy-saving magnetic holding controller

Professional three-phase, self-locking electromagnetic switch, KOA8 series, rated at 12 A, 400 V, supports 2500 W. Reliable control of three-phase loads. This product utilizes advanced magnetic locking (self-locking) technology. Specifically designed for 380–400 V three-phase networks in industrial applications, it ensures de-energized operation after switching. It is suitable for three-phase motors, heating appliances, and industrial automation systems requiring high efficiency, energy savings, and optimal operational safety.