NK Auxiliary Switch Series for High-Voltage Switchgear – Modular Secondary Control Switch for Circuit Breaker Status & Signal Interlocking

The NK Auxiliary Switch Series is a modular, high-reliability control component designed for the secondary signaling and interlocking circuits of high-voltage switchgear. Engineered with a transparent protective cover and robust screw terminals, this series ensures accurate status indication and stable signal transmission for vacuum circuit breakers (VCB). The NK series is highly versatile, allowing for customization based on the number of contact pairs, switch sections, and specific installation methods required for various power distribution systems. Its compact design and clear contact visibility make it an essential choice for professional electrical infrastructure and industrial control applications.