Benefits

Uncompromised Operator Safety
  • Logical Mechanical and Electrical Interlocks prevent faulty operation
  • Standardized O-ring System to improve gas tightness
  • Increase Insulation Performance by reducing input resistance
Top-Tier Level of Reliability
  • Successful Implementation of more than 5,000 Bays of Gas Insulated Switchgears since 1989 in both domestic and overseas countries
  • Maximize system security with minimum maintenance
  • Rigorously verifies product reliability in LS ELECTRIC' PT&T testing facilities, one of the most nationally recognized testing laboratories in the world
  • Improves reliability by applying advanced analytical CAE tools to verify and optimize product design
Minimum Operating Costs
  • Compact top entry design for minimum space requirement
  • Combination of modular and flexible designs in an effort for effective reduction
  • Fast substation deployment and expansion for reduction of installation time
Uncompromised Operator Safety
  • Logical Mechanical and Electrical Interlocks prevent faulty operation
  • Standardized O-ring System to improve gas tightness
  • Increase Insulation Performance by reducing input resistance
Top-Tier Level of Reliability
  • Successful Implementation of more than 5,000 Bays of Gas Insulated Switchgears since 1989 in both domestic and overseas countries
  • Maximize system security with minimum maintenance
  • Rigorously verifies product reliability in LS ELECTRIC' PT&T testing facilities, one of the most nationally recognized testing laboratories in the world
  • Improves reliability by applying advanced analytical CAE tools to verify and optimize product design
Minimum Operating Costs
  • Compact top entry design for minimum space requirement
  • Combination of modular and flexible designs in an effort for effective reduction
  • Fast substation deployment and expansion for reduction of installation time

Product Line-up

Rating Unit Specification
Rated Voltage kV, rms 25.8 36 72.5 145 170 245 362 420
Rated Breaking Current kA, rms 25 / 40 31.5 / 40 20 31.5 40 50 40 50 50 / 63 50
Rated Nominal Current A, rms 630 /
1250 /
2000 /
3150
1250 /
2500
2000 2000 1250 /
2000 /
3150
1250 /
2000 /
3150 /
4000
1250 / 2000 / 3150 2000 /
4000 /
6300
1250 /
2000 /
3150 /
4000
Rated
Frequency
Hz 60 50 60 50 / 60 50 / 60 60 50 / 60 50 60 50
Rated Peak Withstand Current kA, peak 65 / 104 78.8 / 100 52 50 / 82 100 / 104 130 100 / 104 125 130 / 164 125
Rated Power Frequency Withstand Voltage kV, rms 60 / 70 70 140 140 275 325 460 520 650
Rated Lightning Impulse Withstand Voltage kV, 1.2 X 50 ㎲ 150 170 325 325 650 750 1050 1175 1425
Rating Unit Specification
Rated Voltage kV, rms 25.8 36 72.5 145 170 245 362 420
Rated Breaking Current kA, rms 25 / 40 31.5 / 40 20 31.5 40 50 40 50 50 / 63 50
Rated Nominal Current A, rms 630 /
1250 /
2000 /
3150
1250 /
2500
2000 2000 1250 /
2000 /
3150
1250 /
2000 /
3150 /
4000
1250 / 2000 / 3150 2000 /
4000 /
6300
1250 /
2000 /
3150 /
4000
Rated
Frequency
Hz 60 50 60 50 / 60 50 / 60 60 50 / 60 50 60 50
Rated Peak Withstand Current kA, peak 65 / 104 78.8 / 100 52 50 / 82 100 / 104 130 100 / 104 125 130 / 164 125
Rated Power Frequency Withstand Voltage kV, rms 60 / 70 70 140 140 275 325 460 520 650
Rated Lightning Impulse Withstand Voltage kV, 1.2 X 50 ㎲ 150 170 325 325 650 750 1050 1175 1425