Substations
vacuum circuit
breaker modules

The VX series of Substation vacuum circuit breaker is one of the most advanced and safe product of its kind on today's market. It is intended to be used in transformer substations and switching points. It has a wide range of accessories as truck’s, different types of connection arms and contacts, commissioned with or without integrated current transformers. The VX circuit breaker can be configured with vacuum interrupter in the range from 630 to 4000A.

Hughes Power System substation vacuum circuit breaker
  • Non enclosed switch for extra safety
  • Small foot print
  • Operation On and Off with full load without electric power
  • Solid insulated. No harmful SF6 gas
  • Frame of stainless steel
  • Epoxy bushings with silicon insulation

what is a Substations vacuum circuit breaker module

The VX type of circuit breaker series is designed for all standard applications in the medium voltage range. The compact VX type vacuum circuit breakers can be easily integrated not only into all types of switchgears, but also retrofitted into existing switchgears. They are produced for long life time operation and switching under short circuit conditions. VX circuit breakers can be installed in all type of air insulated medium voltage switchgear assemblies. The compact design, especially the small depth and width, are the key advantages of the product. The VX type of circuit breaker frame is made of solid stainless steel to avoid corrosion and related problems

Hughes Power System substation vacuum circuit breaker 24kV
  • Fits into all air insulated medium voltage switchgear from 6 kV to 24 kV
  • Suitable for short circuit breaking currents up to 40 kA and rated currents up to 3150 A
  • Low planning costs due to multiple switchgear panel versions
  • Same dimensions and connection dimensions across several voltage levels
  • Optimal system integration, also for retrofitting, thanks to a large selection of pole-center distances, widths across flats and comprehensive installation accessories
  • Fixed-mounted design and withdrawable design
  • High availability thanks to 20,000 maintenance-free operating cycles
  • Optionally up to 30,000 operating cycles
Hughes Power System substation vacuum circuit breaker 12kV

VCB modulesMechanical sizes

 
VOLTAGE 12, 17.5KV 12, 17.5KV 12, 17.5 AND 24KV 24KV
Frame width 440mm 440mm 588mm 588mm
Frame depth 436mm 436mm 436mm 436mm
Pole space 150mm 150mm 210mm 210mm
Contact distance 205mm 275mm 310mm 310mm
Bottom to contact 236mm 236mm 251mm 281mm

 

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