Medium Voltage Switchgear
GR2-L RMU
Product Documents

GR2-L: RING MAIN UNIT

  • Rated service voltage: 24kV
  • Rated power frequency withstand voltage: 50~60kV
  • Rated impulse withstand voltage: 125 - 145kVp
  • Rated current of VCB: up to 630A
  • Maximum rating of busbars: 630A
  • Short time withstand current: 21kA 3 seconds
  • Fully rated / fault-make integral earthing switch

Construction
  • Most compact foot print with rigid structure
  • SF6 gas insulated switch
  • Air insulated busbars and cable termination
  • No SF6 gas handling at site
  • Safe, positive and fool proof interlocks
  • Cable door & earthing switch interlocked
  • Pad-lockable VCB & 3-position motorized switches
  • Fully modular design with extension on both sides
  • SF6 content approx. 1.5kg
  • Separate gas duct
  • IAC 25kA for 1sec tested