HXGN-12 AC High Voltage Vacuum Ring Main Unit (RMU)

HXGN-12 AC High Voltage Vacuum Ring Main Unit (hereinafter referred to as "RMU") is designed for 50Hz, 12kV AC power systems. It is widely used in industrial and civil cable ring networks and power supply terminals.

Particularly suitable for:
  • Small secondary substations
  • Switching stations
  • Urban residential power distribution
  • Industrial and mining enterprises
  • Commercial centers (shopping malls)
  • Transportation hubs (airports, metros, railways)
  • Renewable energy (wind farms)
  • Critical facilities (hospitals, stadiums)
  • Fully Custom
  • Expedited Production Processing

Key Features

  • Compact modular design
  • Vacuum interruption technology
  • Spring-operated mechanism
  • IP3X protection grade 

Dimensions

Model Number and Designation Explanation: H  X  G  N  ¨  -  12  /  630  -  ¨ ① ② ③ ④  ⑤     ⑥     ⑦     ⑧      
Ring Main Unit Design Serial Number
Cabinet-Type Structure Rated Voltage (kV)
Fixed Type Rated Current (A)
Indoor Type I:FLN36-12 Load Switch Model II:FLN48-12 Load Switch Model
  Main Technical Parameters  
No. Name Unit Parameter
1 Rated Voltage KV 120
2 Rated Frequency Hz 50
3 Main Bus Rated Current / Max. Fuse Current A 630,125
4 Rated Short-Time Withstand Current (Main/Ground Circuit) KA/S 20,3
5 Rated Peak Withstand Current (Main/Ground Circuit) KA 50
6 Rated Short-Circuit Making Current (Main/Ground Circuit) KA 50
7 Full-Capacity Breaking Operations (Load Switch) times 100
8 Fuse Breaking Current KA 31.5,40
9 Rated Closed-Loop Breaking Current A 630
10 Rated Transfer Current A 1600
11 Mechanical Life operations 2000
12 1min Power Frequency Withstand Voltage (Peak) KV 42,48
13 Lightning Impulse Withstand Voltage (Peak) KV 75,85
14 1min Power Frequency Withstand (Secondary Circuit) KV 2
15 Protection Degree   IP3X
  Overall Dimensions
Name Dimension (mm) Application
Height (H) 1400 For single-core cables
1600 For single-core cables
1800 For three-core cables
Width (W) 375 Incoming/Outgoing lines
500 -
750 -
Depth (D) 918 -
HXGN-12 AC High Voltage Vacuum 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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