Stock Code: 300062

VSS-12 Series Solid Insulated Ring Main Unit

The VSS Series Solid-Insulated Ring Main Unit (RMU) employs advanced solid insulation technology and epoxy resin-encapsulated vacuum interrupters for superior electrical performance and environmental protection. This innovative design eliminates the need for SF6 gas, offering an eco-friendly solution for modern smart grids and power distribution networks. The VSS Series RMU is built to operate in extreme environmental conditions, making it ideal for urban, industrial, and remote installations where reliability and sustainability are key.

  • Model :

    VSS-12
  • Capacity :

    12kV 630A
  • Applications :

    Heavy Industrial Facilities / Electric Substations
  • Product Origin :

    China
  • Sales Type :

    Retail / Wholesale / Distributor Sales
  • Customization :

    Support

 

 

 

  • VSS Series Ring Main Unit Structure

 

 

 

 

 

 

 

  • VSS Series Ring Main Unit Features
  • # Integrated Three-Position Switch
     
    Combines isolation, earthing, and switching functions in one.
  • # Compact and Reliable
     
    Common-box design simplifies installation, maintenance, and prevents phase-to-phase short circuits.
  • # Smart and Adaptable
     
    Built-in sensors support voltage, current monitoring, and automation, with reliable performance in extreme conditions like high altitudes and cold climates.

 

 

 

 

 

  • Optional Unit

 

 

 

 

 

 

 

 

 

 

  • Specifications

 

Model Load Switch Cabinet Circuit Breaker Cabinet PT Isolation Cabinet
Rated Voltage 12kV 12kV 12kV
Rated Frequency 50Hz 50Hz 50Hz
Rated Current 630A 630A 630A
Rated Power Frequency Withstand Voltage (1min) 42/48kV 42/48kV 42/48kV
Rated Lightning Impulse Withstand Voltage (Peak Value) 75/85kV 75/85kV 75/85kV
Electrical Life - E2 -
Mechanical Life 10000 10000 5000
Rated Short-Circuit Breaking Current - 20kA -
Rated Closing Current (Peak Value) 50kA 50kA 50kA
Rated Peak Withstand Current of Main Circuit and Ground Circuit 50kA 50kA 50kA
Rated Short-Time Withstand Current of Ground Circuit (2s) 20kA 20kA 20kA
Rated Short-Time Withstand Current of Main Circuit (4s) 20kA 20kA 20kA
Internal Arc Classification (IAC class) AFLR, 20kA, 1s AFLR, 20kA, 1s AFLR, 20kA, 1s
Enclosure Ingress Protection Rating IP4X IP4X IP4X
Dimensions(W*D*H)(excluding door) 420/440*850/875*1700/2000mm 420/440*850/875*1700/2000mm 600*850/875*1700/2000mm

 

 

 

 

 

 

 

  • Application Scenarios

 

 

 

 

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