The ABB VD4M‑1206‑25 is a medium‑voltage vacuum circuit breaker designed for electrical power distribution and protection in industrial, utility, and infrastructure installations. It uses vacuum interrupter technology, which provides reliable interruption of current in medium‑voltage systems with minimal contact wear, high dielectric strength, and long lifecycle. VD4 series breakers are widely deployed globally thanks to their proven reliability and safety performance in medium‑voltage switchgear applications
