E-mail: julien@fenarro.com |  Tel: +86-13962241135
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Indoor High Voltage Vacuum Circuit Breakers - 12kV to 40.5kV Range

 
 
Fenarro's indoor vacuum circuit breakers offer advanced circuit protection for high voltage applications in controlled environments. 
Utilizing vacuum interruption technology, our VCBs provide maintenance-free operation, high breaking capacity, and exceptional electrical longevity.
Designed to IEC 62271 standards, these breakers are suitable for primary distribution substations, industrial plants, and commercial building power systems.
 

Indoor High Voltage Vacuum Circuit Breakers Series

Key Features for Indoor High Voltage Vacuum Circuit Breakers

Maintenance-Free Operation
  •  Sealed vacuum interruption chambers
  •  No gas monitoring or replenishment required
  •  Minimal contact erosion over lifetime
  • ​​​​​​​ Permanent magnetic operating mechanism

Superior Performance Characteristics​​​​​​​
  •  Short-circuit breaking capacity: 25kA to 31.5kA
  •  Ultra-fast opening time: ≤45ms
  •  High mechanical life: 30,000 operations
     Low energy consumption operation
Space-Saving Design​​​​​​​
 Compact dimensions for switchgear integration
 Withdrawable design for easy maintenance
 Multiple mounting configurations available
​​​​​​​ Reduced floor space requirements

Application Scenarios ​

 

Primary Distribution Substations

 
Ideal for 35kV/10kV distribution substations in urban areas, providing reliable feeder protection and transformer switching.

 

Industrial Manufacturing Plants

 
Suitable for heavy industries including steel mills, chemical plants, and automotive manufacturing with frequent switching requirements.

 

Commercial Building Power Systems

 
Perfect for high-rise buildings, shopping malls, and data centers requiring compact, reliable high voltage protection.

 

Renewable Energy Integration

 
Excellent for solar inverters and wind turbine connections where frequent operation and maintenance-free performance are critical.
Ready to Specify Your High Voltage Vacuum Circuit Breaker ?


Contact our engineering team for technical consultation and customized solutions. 
Request a quote with competitive pricing and delivery timelines.

FAQs About Fenarro's Circuit Breaker

  • Q What maintenance is required for indoor high voltage VCBs?

    A Basic mechanical inspection and lubrication every 5 years or 5,000 operations
  • Q Can your high voltage VCBs be retrofitted into existing switchgear?

    A Yes, we provide retrofit solutions for most major switchgear brands including Siemens, ABB, and Schneider
  • Q How often do vacuum interrupters need replacement?

    A Vacuum interrupters typically last the entire mechanical life of the breaker (30,000 operations)
  • Q What is the typical delivery time for indoor high voltage VCBs?

    A Standard products: 6-8 weeks; Custom configurations: 8-12 weeks
  • Q How to confirm payment?

    A We accept payment methods such as wire transfer and PayPal. Other payment methods are also acceptable, please contact us before making payment through other methods. Additionally, a 30% deposit is feasible, and the balance should be paid before shipment.
Fenarro has been committed to providing safe, efficient and convenient solutions for power systems since 2009

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 Email: julien@fenarro.com
  Mobile: +86-13962241135
  Telephone: +86-0512-66728956
  Fax: +86-0512-66728971
    Address: 2009, Bldg 2, No.168 Jingmao road, Suzhou Industrial Park, Suzhou, Jiangsu, China
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