Schneider Electric LK4JU3N General Purpose Switch

Schneider Electric TeSys LK4JU3N is a nonfusible, three-pole general-purpose disconnect switch designed to safely isolate power circuits in industrial equipment and control panels. Rated for 100 A at up to 600 V, it uses a rotary handle for manual operation and carries an HP rating, with a short-circuit current rating up to 200 kA, making it suitable for demanding electrical environments. As part of the TeSys LK family, the LK4JU3N is intended for general-purpose isolation in control panels, machine wiring, and distribution boards where reliable disconnection is essential for maintenance and safety. Designed for straightforward integration with other LK components, this 3-pole nonfusible switch provides a compact, durable solution for power distribution and motor-control applications in industrial facilities. This model is commonly selected when a code-compliant isolation device is required in electrical cabinets, offering reliable operation under repeated cycling and a proven track record within Schneider Electric's TeSys LK ecosystem.