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DXRM6-12 Series SF6 Gas-insulated Ring Main Switchgear

DXRM6-12 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.

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Overview


The DXRM6-12 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.

 

If you need more information, please view the pdf document above or contact us.

 

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

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