ABB’s VD4/VD4 EVO: Standard and Versatile Circuit Breakers for all Primary Applications
October 7, 2026 VD4 is ABB’s flagship medium voltage vacuum circuit breaker, trusted by over 2 million installations worldwide. The proven standard VD4 (up to 46 kV) continues to deliver reliability with minimal maintenance. VD4 evo (up to 17.5 kV, 2000 A, 40 kA) is the advanced evolution of VD4, available in Standard or Digital…


