KLD-28A 16A 250V 5-pole electromagnetic switch, high-performance 5000W self-locking contactor, industrial zero-power regulator.

The CK21 series comprises high-performance, self-locking electromagnetic switches (16 A, 250 V) in a compact design (1.2 m) suitable for stable control of single-phase AC loads up to 1800 W. These switches feature a mechanical locking function. Once switched on, the switch remains conductive without requiring a continuous power supply. This ensures energy efficiency and safety. Specifically designed for high-power heating appliances, motors, and industrial equipment requiring condition maintenance, this switch is the ideal choice for demanding control applications.