VH1F: 12kV Fixed VCB Air Insulated Switchgear

VH1F 12kV Fixed VCB AIS MV Switchgear
Rated Voltage : 12kV
Rated Current : Upto 2000A
Rated STC : 25kA for 3 sec
Internal Arc Fault : 25kA for 1 sec

Product Documents


  • Rated service voltage: 12kV
  • Rated power frequency withstand voltage: 28 kVrms
  • Rated impulse withstand voltage: 75kVp
  • Short time withstand current: 25kA for 3 seconds
  • IAF tested at 25kA for 1 sec


  • Fully typed tested as per IEC62271-100/200/102
  • Compact dimensions: 25kA IAF for 1sec in 450mm wide cubicle
  • Reduced substation dimensions saving civil and land costs
  • Option for front, rear and dry type cable termination with cable entry from bottom and top
  • Safe, positive and fool-proof interlocks
  • Cable door & VCB interlocked
  • Pad-lockable VCB & 3-position isolator duly interlocked
  • Fully modular design with extension on both sides
  • Fixed VCB with motorised mechanism for switching
  • Front cable entry & no rear clearance required
  • Position of 3 position switch directly and easily visible without opening any cover in addition to the indicator


  • Reduces cubicle space requirement and therefore saving in civil and last cost
  • Mechanical endurance (M2) 10000 operations
  • Safe operation behind close door
  • Internal Arc classification AFLR 25kA 1 sec
  • Voltage detection system (VDS) as standard offering
  • Cost optimised solution for distribution networks
  • Peace of mind with very less maintenance
  • Option of fixed VT with draw out primary fuses
  • Flexibility of accommodating higher numbers CT's
  • Ease of operation with direct and self exploratory interlocks/indicators


Tamco Switchgear (Malaysia) Sdn Bhd, is an established manufacturer of medium (air and gas-insulated switchgear of up to 40.5kV and Ring Main Unit) and low voltage switchgear.

© Tamco Switchgear (Malaysia) Sdn Bhd.