Gas Insulated Switchgear

HD Hyundai Electric entered the circuit breaker market in 1984, and has maintained its position as a domestic leader in the field for the past 30 years, supplying its products to 40 countries worldwide. Using the latest facilities and production systems in line withthe latest international standards, we have the capacity to produce Gas Insulated Switchgear up to 800 kV, the maximum rated voltage in Korea.

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  • Optimized GIS

    SF6 gas with excellent insulation and arc extinguishing properties allows installation in confined spaces

  • Securing high degree of reliability

    Closed structure of GIS is not affected by climate effects, anti-pollution, low electromagnetic wave

  • User friendly Design

    Compact design, easy installation, easy operation and monitoring, simple and systematic maintenance, long service life

Specifications

  • 72.5 SP
    Rated voltage(kVrms) 72.5
    Rated short-time withstand current(kArms) 20
    Rated Current(Arms) 2000*
    Rated Frequency(Hz) 60
    Rated power-frequency withstand voltage(kVrms) 140
    Rated lightning impulse withstand voltage(kVpeak) 325
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.5/0.3
  • 72.5 SP
    Rated voltage(kVrms) 72.5
    Rated short-time withstand current(kArms) 31.5
    Rated Current(Arms) 2000*
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 140
    Rated lightning impulse withstand voltage(kVpeak) 325
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.6/0.4
  • 72.5 SP
    Rated voltage(kVrms) 72.5
    Rated short-time withstand current(kArms) 31.5
    Rated Current(Arms) 2000*
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 140/160
    Rated lightning impulse withstand voltage(kVpeak) 325/350
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.6/0.4
  • 72.5 SP
    Rated voltage(kVrms) 72.5
    Rated short-time withstand current(kArms) 31.5
    Rated Current(Arms) 2000*
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 140
    Rated lightning impulse withstand voltage(kVpeak) 325
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.6/0.4

  • 145 SP-1 / 145 SP-3
    Rated voltage(kVrms) 145
    Rated short-time withstand current(kArms) 40
    Rated Current(Arms) 3,150
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 275
    Rated lightning impulse withstand voltage(kVpeak) 650
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.6/0.4

  • 170 SR
    Rated voltage(kVrms) 170
    Rated short-time withstand current(kArms) up to 50
    Rated Current(Arms) 2,000/3,000/
    4,000
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 325
    Rated lightning impulse withstand voltage(kVpeak) 750
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.6/0.4
  • 170 SR(CB)
    Rated voltage(kVrms) 170
    Rated short-time withstand current(kArms) 40
    Rated Current(Arms) 2,000/3,150
    Rated Frequency(Hz) 50
    Rated power-frequency withstand voltage(kVrms) 325
    Rated lightning impulse withstand voltage(kVpeak) 750
    Rated switching impulse withstand voltage(kVpeak) -
    Rated gas pressure(MPa) 0.6/0.4

  • 300 SR
    Rated voltage(kVrms) 245
    Rated short-time withstand current(kArms) 50/63
    Rated Current(Arms) 4,000
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 460
    Rated lightning impulse withstand voltage(kVpeak) 1,050
    Rated switching impulse withstand voltage(kVpeak) 850
    Rated gas pressure(MPa) 0.6/0.5

  • 362 SL
    Rated voltage(kVrms) 362
    Rated short-time withstand current(kArms) 40
    Rated Current(Arms) 4,000
    Rated Frequency(Hz) 60
    Rated power-frequency withstand voltage(kVrms) 450
    Rated lightning impulse withstand voltage(kVpeak) 1,175
    Rated switching impulse withstand voltage(kVpeak) 950
    Rated gas pressure(MPa) 0.6/0.5
  • 362 SR
    Rated voltage(kVrms) 362
    Rated short-time withstand current(kArms) 50
    Rated Current(Arms) 4,000
    Rated Frequency(Hz) 60
    Rated power-frequency withstand voltage(kVrms) 450
    Rated lightning impulse withstand voltage(kVpeak) 1,175
    Rated switching impulse withstand voltage(kVpeak) 950
    Rated gas pressure(MPa) 0.6/0.5
  • 362 SU
    Rated voltage(kVrms) 362
    Rated short-time withstand current(kArms) 63
    Rated Current(Arms) 8,000
    Rated Frequency(Hz) 60
    Rated power-frequency withstand voltage(kVrms) 450
    Rated lightning impulse withstand voltage(kVpeak) 1,175
    Rated switching impulse withstand voltage(kVpeak) 950
    Rated gas pressure(MPa) 0.7/0.4, 0.5

  • 550 SR
    Rated voltage(kVrms) 420/550
    Rated short-time withstand current(kArms) 63
    Rated Current(Arms) 4,000
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 650/710
    Rated lightning impulse withstand voltage(kVpeak) 1,425/1,550
    Rated switching impulse withstand voltage(kVpeak) 1,050/1,175
    Rated gas pressure(MPa) 0.7/0.45

  • 800 SR
    Rated voltage(kVrms) 800
    Rated short-time withstand current(kArms) 50
    Rated Current(Arms) 8,000
    Rated Frequency(Hz) 50/60
    Rated power-frequency withstand voltage(kVrms) 830
    Rated lightning impulse withstand voltage(kVpeak) 2,250
    Rated switching impulse withstand voltage(kVpeak) 1,425
    Rated gas pressure(MPa) 0.7/0.4

Standards & Certification

All GIS products are certified by highly reliable international testing laboratories (KEMA, CESI, KERI, etc).

  • KEMA

  • CESI

  • KERI

Gallery

Ras Al Khair PP(Saudi Arabia) : 420kV 63kA 4000A

Kashang 245kV S/S(India) : 245kV 40kA 2000A

Mabella 132kV S/S(Oman) : 145kV 40kL 2000A

India Automobile Plant (India) : 245kV 125MVA TR

Cochrane CFPP(Chile) : 245kV 50kA 4000A

Shintaebaek(Korea) 765kV S/S : 800kV 50kA 8000A