KLD-28 16 A 250 V four-pole protected electromagnetic switch, 6000 W self-locking high-performance contactor, industrial dustproof and waterproof protective housing, control unit

The CK21 series electromagnetic switch with improved self-locking (rated: 16 A, 250 V, 1.5 m, multifunctional design, stable control, 2000 W single-phase AC load) features a standard self-locking function and a separate control terminal. Dual pulse signals ensure more precise switching and state retention. It is specifically designed for high-power industrial equipment, heating systems, and automated control applications requiring reliable state retention.