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Product Description

SF6-Free 24kV Three-Position Vacuum Circuit Breaker

EURegulation Ready Vacuum Switchgear

SF6-Free 24kV Vacuum Switchgear for Future Power Distribution

The VJG(C)-24GD SF6-Free 24kV Three-Position Vacuum Circuit Breaker is a next-generation vacuum switchgear solution designed for secondary substations, RMU systems, and compact medium-voltage switchgear.

With the upcoming EU Regulation banning SF₆ gas in medium-voltage switchgear from 2026, utilities and manufacturers are accelerating the transition to SF6-Free vacuum technology.
The VJG(C)-24GD is engineered specifically to meet this requirement — zero SF₆, zero greenhouse gas, and full electrical performance.


Why Choose SF6-Free Vacuum Switchgear?

SF₆ gas has long been used in MV switchgear, but due to its extremely high global warming potential, it is being phased out under EU F-Gas Regulation.

The VJG(C)-24GD offers a clean and future-proof alternative:

 

100% SF6-Free design

✔ Vacuum interruption + solid insulation

✔ No gas leakage, no refilling, no gas monitoring

Fully compliant with EU 2026 SF6  restriction

✔ Lower lifecycle cost compared with SF6 switchgear

This makes it an ideal solution for European projects, green substations, and low-carbon power networks.


Three-Position Integrated Vacuum Circuit Breaker

This 24kV vacuum switchgear integrates three essential MV switching functions in one compact unit:

  • Vacuum Circuit Breaker
    Reliable interruption of load and short-circuit currents

  • Disconnector (Isolating Switch)
    Rotary design with visible isolation gap

  • Earthing Switch
    Independent grounding for maximum maintenance safety

A forced mechanical interlocking system ensures safe operation and prevents misoperation between breaker, disconnector, earthing switch, and cabinet door.


Key Technical Data – 24kV Vacuum Switchgear

  • Rated voltage: 24 kV

  • Rated current: 630 A / 1250 A

  • Short-circuit breaking capacity: up to 31.5 kA

  • Mechanical endurance:

    Circuit breaker ≥ 10,000 operations

    Disconnector & earthing switch ≥ 3,000 operations

  • Protection degree: IP4X

  • Operation:Manual operation (MO)

  • Electrical operation (EO, AC / DC motorized)


Compact Design for Modern MV Switchgear

 

  • Vertical arrangement:
    Disconnector + Vacuum Circuit Breaker + Earthing Switch

  • Modular operating mechanism for easy replacement and maintenance

  • Front-access design, suitable for compact panels

  • Compatible with:

        SF6-Free RMU

        Secondary substations

        Box-type substations

        Industrial MV switchgear


Designed for EU Regulation & Global Standards


The VJG(C)-24GD vacuum switchgear is developed with European market requirements in mind:

 

  • Supports EU Regulation on SF₆ phase-out (2026)

  • Meets IEC and GB standards for MV vacuum circuit breakers

  • Suitable for long-term operation in environmentally sensitive projects



Typical Applications

 

  • SF6-Free secondary substations (24kV)

  • RMU and compact switchgear

  • Renewable energy substations

  • Industrial power distribution

  • European utility and EPC projects


OEM & Customization Available


We support OEM / ODM vacuum switchgear solutions, including:


  • Rated current & breaking capacity

  • Control voltage and auxiliary circuits

  • Protection and interlocking configurations

  • Branding, nameplates, and documentation





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