,

XGN-12 Series SF6 Gas-insulated Ring Main Switchgear

XGN12 Series Fully Insulated Fully Sealed Gas-insulated Ring Main Unit (RMU) is a medium-voltage switchgear designed for indoor installations in power distribution systems with a rated voltage of 12kV and frequency of 50Hz.

Email to Us

Overview


The XGN-12 Series gas-insulated switchgear has successfully obtained the type test report from the China High Voltage Electrical Appliance Test Center, and moreover, it has been recognized as a Zhejiang Provincial High-tech Product. Widely used in 10kV/20kV power distribution systems, it has become the preferred choice for switching and distribution applications across a broad range of urban and rural infrastructure projects.

Designed with a modular unit structure, the switchgear allows flexible combinations according to different application needs. It is available in two main configurations: a fixed unit and an expandable unit, thereby enabling adaptable deployment in various compact substation environments.

 

Operating Conditions


1. Ambient temperature: -50℃ ~+40℃;

2. Altitude: 2000m;

3. Relative humidity: maxmium average 95%;

 

Technical Specification


Unit Module C Module F ModuleV Module CB
Load Switch Combination Appliance Vacuum Switch Isolation/Grounding Switch VCB Isolation/Grounding Switch
Rated Voltage kV 12
Rated Frequency Hz 50
Power Frequency Withstand Voltage (phase to phase/fracture) kV 42/48
Lightning Impulse Withstand Voltage 75/85
Rated Current A 630 630 1205/630
Rated Closed-Loop Breaking Current 630
Rated Cable Charging Breaking Current 10
Rated Short-Circuit Closing Current (peak) 50 80
Rated Peak Withstand Current kA 50
Rated Short-Time Withstand Current kA/35 20
Rated Short Circuit Breaking Current kA 31.5 20 25
Rated Transfer Current A 1700
Equipped With Fuse Maximum Current 125
Loop Resistance -n ≤300 ≤600
Mechanical Life Times 5000 3000 5000 2000 5000 5000
If you need more information, please view the pdf document above or contact us.
Scroll to Top