IEC indoor vacuum circuit breaker VD4/R

Reliable low-duty protection

VD4/R circuit breakers with lateral operating mechanisms can be used in all medium voltage secondary distribution systems and MV/LV transformer substations in factories, industrial workshops and in the services sector.

Product scope

  • Medium voltage circuit breakers with lateral mechanical actuator (spring mechanism) for secondary distribution, up to 24 kV, 1250 A, 25 kA.

Key benefits

  • The compact medium voltage vacuum circuit breaker solution for low-duty distribution
  • Easy and fast to install thanks to the optional integrated solution: onboard-tested relay and current sensors/trasformers
  • Ideal solution for metal-clad switchgear

Key features

  • Modular spring-operated mechanical actuator ensuring easy operation even without auxiliary supply
  • Interchangeable with HD4/R
  • Performs fast operating cycles

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