XGN -12 Fully Insulated Gas-filled Ring Main Unit (RMU)

The XGN-12 Fully Insulated Gas-filled Ring Main Unit (RMU) is widely used in 10kV/6kV distribution systems and serves as the preferred switching solution for substations and power distribution networks in urban and rural areas. The switchgear adopts a modular unit design, allowing flexible configurations for diverse applications. It includes two main types: fixed-unit assemblies and expandable units, meeting the demands of compact and adaptable switchgear solutions in various substations.

  • Fully Custom
  • Expedited Production Processing

Product Overview

The XGN-12 RMU is available in two standard configurations: non-expandable and expandable. Its unique flexibility stems from full/semi-modular combinability and self-expandability.

The XGN□-12 RMU complies with GB standards and has a design lifespan exceeding 30 years under indoor operating conditions (20°C).

Dimensions

Main Technical Parameters  
Item Unit Type C Module (Composite Switch Assembly) Type F Module (Combined Apparatus Unit) Type V Module Type CB Module
Vacuum Switch Unit Disconnect/Earthing Switch Bay Vacuum Switch Unit Disconnect/Earthing Switch Bay
Rated Voltage KV 12 12 12 12 12 12
Rated Frequency Hz 50 50 50 50 50 50
Power Frequency Withstand Voltage (Phase/Port) KV 42/48 42/48 42/48 42/48 42/48 42/48
Lightning Impulse Withstand Voltage KV 75/85 75/85 75/85 75/85 75/85 75/85
Rated Current A 630 Note 1) 630 - 1250/630 1250/630
Rated Closed-loop Breaking Current A 630 - - - - -
Rated Cable Charging Breaking Current A 135/135 - - - - -
Rated Short-circuit Making Current (Peak) A 50 80 - - - -
Rated Peak Withstand Current KA 50 - - - - -
Rated Short-time Withstand Current KA/3S 20 - - - - -
Rated Short-circuit Breaking Current KA - 31.5 20 - 25 25
Rated Transfer Current A - 1750 - - - -
Max. Fuse Current A - 125 - - - -
Loop Resistance μΩ ≤300 ≤600 - - - -
Mechanical Life Operations 5000 3000 5000 2000 5000 5000
Remarks - - - - - - -
  XGN -12 Fully Insulated Gas-filled Ring Main Unit (RMU)
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  • Industrial Enclosure

    Post Haec Gallus Hierapolim Profecturus

    Localibus subinde medetur aerumnis, disponi quicquam statuit vel ex provinciis alimenta transferri conterminis, sed consularem Syriae Theophilum prope.

    Learn More
    • 1200
      Enclosures
    • 7 days
      Production Time
  • Industrial Enclosure

    Post Haec Gallus Hierapolim Profecturus

    Localibus subinde medetur aerumnis, disponi quicquam statuit vel ex provinciis alimenta transferri conterminis, sed consularem Syriae Theophilum prope.

    Learn More
    • 1200
      Enclosures
    • 7 days
      Production Time
  • Industrial Enclosure

    Post Haec Gallus Hierapolim Profecturus

    Localibus subinde medetur aerumnis, disponi quicquam statuit vel ex provinciis alimenta transferri conterminis, sed consularem Syriae Theophilum prope.

    Learn More
    • 1200
      Enclosures
    • 7 days
      Production Time
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