Home / Products / Medium Voltage Switchgear / Ring Main Unit / XGN15 11,15, 20, 22, 33, 36 KV 630 A Ring Main Unit / RMU Electrical Switchgear /Power Distribution Cabinet

XGN15 11,15, 20, 22, 33, 36 KV 630 A Ring Main Unit / RMU Electrical Switchgear /Power Distribution Cabinet

XGN15-12 box-type fixed metal-enclosed ring network switchgear is suitable for AC 50HZ, 12kv power system. It is widely used in industrial and civil cable ring network and power supply terminal. It is especially suitable for small secondary substations, opening and closing stations, urban residential area distribution, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, hospitals, stadiums, railroads and other places.

Translated with (free version)
Rated Voltage:
Rated Current:
Rated Frequency :
  • XGN2-12
  • Zhegui Electric
  • 12kv
  • 50hz
  • 1 piece
  • Offered
  • 630a



SF6 gas insulated ring main unit(RMU/C-GIS):

    Safe ring/plus RMR type SF6 gas insulated ring main unit is integrating with SF6 infill cabinet which gather with LBS, VCB, Fuse, ES, DS,etc.

    By the perfect integration of stationary type and flexible expansion, RMR type SF6 gas-insulating compact close metal switchgear(Ring

main unit) with the adoption of the modular design, is suitable for end-user or network node, meanwhile meets the requirement of all kinds of

switching substations cabinet-type transformer substations and cable branch cabinets. It characters on its compact structure, safety and

reliability, longevity and maintenance free.

    This product is in conformity with the standards of IEC60420,GB/T11022,GB3804,GB3906.


Working Conditons

Ambient temperature

Maximum temperature + 45°C 

Minimum temperature -45°C


Humidity Level

Maximum comparative average humidity

Daily average  ≤95%

Monthly average ≤90%

Altitude  3000 M

Seismic capacity level 8


Water submersion test

4 hour water resistance at a pressure of 0.3bar and voltage of 12 KV.


Degree of protection

Sealed electrified body IP67

Fuse tube IP67

Metal enclosure IP4X


Internal earthed busbar 150 mm2Cu

Thickness of insulation bushing 12.0 mm

The diameter of sealed and insulated busbar 25.0 mm

Types of meaning

X G N 15 - 12 F( )R
Box model Fixed indoor Design a sequence number Rated voltage (KV) Operator switch

High quality aluminium zinc plate

    Thickened material, Shell solid and durabe 


High strength mechanical structure

    Make the products more safe operation is more reliable and convenient operational


Voltage transformer

    Epoxy resin infusion, good insulation, bolts for grounding, than the more accurate

XHGN15 1 (1)


    Adopt high standard production process, each big famous brand components seiko production efficiency higher, more stable product

HXGN15 2 (1)

Product size


Main technical parameters

1Rated VoltagekV12
2Rated CurrentA630/1250/1600/2000/2500/3150
3Rated FrequencyHz50/60
4Frequency Withstand Voltage in lminPhmse, EarthedkV42
Isolated FracturekV48
5Lightning Impulse Withstand Voltage(Peak)Phase, EarthedkV75
Isolated FracturekV85
6Main Busbar Rated CurrentA630/1250/1600/2000/2500/3150
7Branch Busbar Rated CurrentA630/1250/1600/2000/2500/3150
8Rated Shortcircuit Breaking CurrentkA20/25/31.5/40
9Rated Short-time Withstand Current(4s)kA20/25/31.5/40
10Rated Peak Withstand CurrentkA50/63/80/100
11Rated Shortcircuit CurrentkA50/63/80/100
12Aux. circuit Frequency Withstand Voltage in lminV2000
13Protect DegreeIPIP2X
14Rated Voltage of Aux. control CircuitVAV or DC 110/220 AC 110 / DC 220

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