Medium Voltage Circuit Breakers

The ADVAC series is a complete line of ANSI-rated vacuum circuit breakers with a spring-charged mechanism.

A new 38 kV class medium voltage vacuum circuit breaker with the EL mechanism and best-in-class vacuum interrupter technology up to 40.5 kV, 3000 A, and 40 kA.

ADVAC-G provides full protection for generator applications in a small footprint

The AMVAC series utilizes magnetic actuation technology to provide a more reliable and longer-lasting solution  

Single or two-phase outdoor vacuum breaker with a magnetic actuator for railway power supply (RPS)

Single-pole and double pole outdoor vacuum load break switch and vacuum circuit-breaker with magnetic actuator for railway applications.

Medium voltage poles with vacuum interrupters embedded for circuit breaker construction, up to 40.5 kV, 4000 A, 50 kA

Proven in thousands of application ABB vacuum interrupters are the perfect core component for every switching device

VD4-AF offers safer and more relentless steel furnace operation and protection

A narrow MV circuit breaker with EL spring mechanism and new recyclable embedded poles up to 15 kV, 40 kA, 2000 A.

VD4-CS provides noise-free power quality by safe and reliable switching and protection of capacitor banks

VD4G offers a small footprint and full protection for generator switching applications.

VM1 circuit breakers utilize a magnetic drive that activates the moving contacts of interrupters and integrates all the functions of a traditional drive.

Service trucks for temporary inspection, maintenance, and earthing of medium voltage panels