Primary Vacuum Circuit Breakers

VD4 Circuit Breaker

VD4

VD4, up to 46 kV, is a medium voltage vacuum circuit breaker with mechanical actuator (spring mechanism) for primary distribution.

Technical Features
  • Rated voltage: up to 46 kV
  • Rated current: up to 4,000 A
  • Rated short circuit current: up to 63 kA
VD4 evo Circuit Breaker

VD4 evo

VD4 evo, up to 17.5 kV, is available with integrated sensors for monitoring and diagnostics of critical parameters.

Technical Features
  • Rated voltage: up to 17.5 kV
  • Rated current: up to 1,250 A
  • Rated short circuit current: up to 40 kA

VM1 Circuit Breaker

VM1

VM1, up to 24 kV, is a medium voltage vacuum circuit breaker used in primary power distribution for control and protection of cables, overhead lines, substations, motors, transformers, generators, capacitor banks, etc.

Technical Features
  • Rated voltage: up to 24 kV
  • Rated current: up to 3,150 A
  • Rated short circuit current: up to 50 kA
VD4-AF Circuit Breaker

VD4-AF

VD4-AF, up to 38 kV, is a medium voltage vacuum circuit breaker for primary distribution based on an innovative actuation system to provide a high quality, reliable and efficient solution for electrical arc furnace (EAF) transformer switching applications.

Technical Features
  • Rated voltage: up to 38 kV
  • Rated current: up to 2,500 A - 3,150 A in fixed version
  • Rated short circuit current: up to 31.5 kA - 40 kA in fixed version

VD4-AF1 Circuit Breaker

VD4-AF1

VD4-AF1, up to 38 kV, is a vacuum circuit breaker with servomotor actuation and controlled switching technology with extremely low inrush, supporting transformer switching applications.

Technical Features
  • Rated voltage: up to 38 kV
  • Rated current: up to 2,500 A - 3,150 A in fixed version
  • Rated short circuit current: up to 31.5 kA - 40 kA in fixed version
VD4-CS Circuit Breaker

VD4-CS

VD4-CS, up to 38 kV, is a unique medium voltage vacuum circuit breaker solution with servomotor actuation and extremely low probability of re-strike for reactive power compensation in renewables, utilities and industrial applications.

Technical Features
  • Rated voltage: up to 38 kV
  • Rated current: up to 1,250 A
  • Rated short circuit current: up to 31.5 kA

VD4-CS1 Circuit Breaker

VD4-CS1

VD4-CS1 is the evolution of the VD4-CS. With the same rated performances as VD4-CS, it can switch capacitor banks anytime independently by their charge, enabling new CAPEX saving solutions with reduced space and investment requirements.

Technical Features
  • Rated voltage: up to 38 kV
  • Rated current: up to 1,250 A
  • Rated short circuit current: up to 31.5 kA
VD4G Circuit Breaker

VD4G

VD4G, the new vacuum generator circuit breaker, is designed to satisfy business needs in power generation applications.

Technical Features
  • Rated voltage: up to 15 kV
  • Rated current: up to 4,000 A
  • Rated short circuit current: up to 63 kA