Products and Services >Medium Voltage Products >Indoor Switchgear >Primary Distribution >Metal-Clad Vacuum Switchgear >VMC12-40, 12 kV

VMC12-40, 12 kV

700X1500X2000VECTOR12M32web
The VMC12-40 is a metal-clad vacuum switchgear using the 40kA or 50kA VECTOR12-S40/S50 VCB. It is a relatively compact switchgear despite its high ratings, and is used as primary distribution switchgear or generator protection switchgear.
Parameters Unit VMC12-40 VMC12-50
Rated Voltage kV 12 12
Maximum service voltage kV 12 12
Withstand Voltage to earth/between phases kV 28 28
Withstand Voltage across isolating gap kV 32 32
Impulse withstand voltage to earth/between phases kV 75 75
Impulse withstand voltage cross isolating gap kV 85 85
Rated Current A 1600/2000/2500 1600/2000/2500
Breaking capacity kA 40 50
Breaking capacity for no-load transformers and cables A 25 25
Short-time withstand current (R.M.S) kA/sec 40/4 50/4
Peak withstand current kA 80 80
Making Capacity kA 80 80
Mechanical Endurance cycles 20000 20000
Electrical Endurance cycles 10000 10000
Standard operating duty O-180s-CO-180s-CO O-180s-CO-180s-CO
Rapid reclosing duty O-0.3sec-CO-0.3sec-CO O-0.3sec-CO-0.3sec-CO
Minimum panel width mm 800 800
Minimum panel height mm 2100 2100
Minimum panel depth mm 1600 1600
Layout of standard panels for the VMC Series Metal-Enclosed Switchgear with the Vector VCB
The following represent only some of the schemes available for the VMC-S40/50 series Metal-clad Switchgear. For the full range of options please refer to the VMC/Vector product catalogue.
Screen shot 2009-11-13 at 6.42.20 PM
Scheme nos:  VMC-1 ( Withdrawable VCB, 3xCT)
Rated Voltage Minimum Dimensions (WXDXH) mm
12 kV 750X1600X2100
17.5 kV 850X1700X2200
24 kV 950X1800X2300
  • 1600A~3200A VCB
  • 2~3xCTs
  • 2~3xAmmeters
  • Protection relay
  • Safety inter-locks
  • cable mounting rack
  • Observation window
  • operating handle
  • Door locks
    		•
  • additional auxilliary contacts
  • interlock with adjacent switch
  • key interlocks
  • internal illumination
  • heater
  • motor and gear drive
  • Cable exit at base or bus-bar connection to adjacent panel.
    • Screen shot 2009-11-13 at 6.46.07 PM
    Scheme nos:  VMC-2 ( Withdrawable VCB, 3xCT, Earth Switch)
    Rated Voltage Minimum Dimensions (WXDXH) mm
    12 kV 750X1600X2100
    17.5 kV 850X1700X2200
    24 kV 950X1800X2300
    Main switch apparatus:Standard features: Vector-S12, Vector-S18, Vector-S24 from 40kA to 50kA Optional features:
  • 1600A~3200A VCB
  • 2~3xCTs
  • 2~3xAmmeters
  • Earth Switch
  • Protection relay
  • Safety inter-locks
  • cable mounting rack
  • Observation window
  • operating handle
  • Door locks
    		•
  • additional auxilliary contacts
  • interlock with adjacent switch
  • key interlocks
  • internal illumination
  • heater
  • motor and gear drive for
  • Cable exit at base or bus-bar connection to adjacent panel.
    		•
    Screen shot 2009-11-13 at 6.56.33 PM