VHID: 12kV Double Busbar Air Insulated Switchgear

VHIH 12/17.5kV AIS MV Switchgear
Rated Voltage : 12kV
Rated Current : Upto 3150A
Rated STC : 40kA for 3 sec
Internal Arc Fault : 40kA for 1 sec

Product Documents


  • Rated service voltage: 12kV
  • Rated power frequency withstand voltage: 28/35 kVrms
  • Rated impulse withstand voltage: 75kV & 95kVp
  • Rated current of VCB: 630~3150A
  • Maximum rating of busbars: 3150A
  • Short time withstand current: 40kA for 3 seconds
  • SCADA ready double busbar


  • Fully typed tested as per IEC62271-100/200/102
  • Disconnector/Isolator based double busbar. Ready for SCADA integration
  • Compact dimensions: 40kA IAF for 1sec in 600mm wide cubicle
  • Generous air clearances for busbars
  • Safe and fail-safe positive interlocks
  • All operations behind closed door
  • Fault make type earthing switch available
  • Sliding door, easier locking
  • Optional motorised rack-in and rack-out
  • Fixed type, swing type and draw-out type VT options
  • Block type or ring type CT options available
  • Generous cable termination height
  • Seismic Zone -V tested


  • Space saving
  • Safe operation behind closed door
  • Ease of installation
  • Breaker movement inside cubicle is independent of floor surface condition
  • User friendly cable termination height and space
  • Minimum operator training required


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.