Products Type

GPS-12

GPS-24

GPS-40.5

Basic Ratings

Rated Voltag

15 kV

25.8 kV

38 kV

Rated Continuous Current

630 A

630 A

630 A

Rated Frequency

50/60 Hz

50/60 Hz

50/60 Hz

Short Time Withstand Current ( rms)

20 kA/ 4sec

25kA/ 1sec

20 kA/1 sec

Making and Breaking Capacity

Mainly Active Load Current

630A

630A

630A

Number of Load-break Operation

400 times

400 times

400 times

Short-circuit Making Current (peak)

50 kAp/4s

31.5kAp/4s

31.5 kAp/4s

Number of Making Operations

5 times

5 times

5 times

Cable Charging Current

25A

25A (200 A)

20 A

Line Charging Current

1.5A

1.5A

2A

Closed Loop Circuit Current

630 A

630 A

630 A

Transformer Magnetizing Current

22A

22A

22A

Power Frequency Withstand Current Test

Wet Condition- 10 sec (Ph- Ph, Ph-Eth, Across Interrupters)

45 kV

50kV

70 kV

Dry Condition - 1 min(Phase to Earth, Phase to Earth)

50 kV

60kV

70 kV

Dry Condition - 1 min (Across Interrupter )

50 kV

60kV

80 kV

Impulse Withstand Current Test ( 1.2 x 50 ps )

Phase to Phase, Phase to Earth

85 kV

150kV

170 kV

Across Interrupter

95 kV

150kV

195 kV

Other Ratings & Specifications

Interna | Arc Test

20kA /0.1 sec

20kA /0.1 sec

20kA /0.1 sec

Arc Extinction Medium

SF 6 Gas

SF 6 Gas

SF 6 Gas

Insulation Medium

SF 6 Gas

SF 6 Gas

SF 6 Gas

Creepage Distance (Porcelain)

550 mm

740 mm

960 mm

Creepage Distance (Silicon)

615 mm

800 mm

1055 mm

IP Level

54

54

54

Operation Performance

Closing/Opening Time

< 0.7 sec

< 0.7 sec

< 0.7 sec

Mechanical Operations (Guaranteed)

10,000

10,000

10,000

times

times

times

Operating Temperature (*Manual

-25 (*-40)

-25 (-40)

-25 (-40卜

Type)

~ 70° C

~ 70° C

70° C

Gas Pressure

Nominal Pressure (kgf/cm² G, at20°C))

0.7

1.0

1.0

Bursting Pressure (kgf/cm² G)

4 ~6

4 ~6

4 ~6

Minimum Gas Pressure (kgf/cm² G)

0.05

0.0

0.0

Leakage Rate (cc/ sec)

1.1 x 10 ^-7

1.1 x 10 ^-7

8.2 x 10 ^{- 7}