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High Voltage Circuit Breakers

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Model
HPL
245/31B1 420/31B2
Type SF6 GAS
Rated Voltage 245 420
Rated normal current 3150
Rated frequency 50
Rated breaking current 40(3) 50(3)
Rated making current 100 125
Power frequency withstand voltage to earth (KV) 460 520
Power frequency(KV) 460 610
Lighting impulse withstand voltage 1050 1425
Rated operating sequence O-0.3S-CO-3MIN-CO
Installation Outdoor
Operating mechanism BLG(Spring Type)
Closing / Opening / Breaking time/s <=90/19-25/40 90/19-25/40
Creepage distance (nominal) 6170mm 10685mm
Creepage Distance (long) 8350mm 13020mm
Applicable standard IEC 62271-100

High Voltage Circuit Breakers

High Voltage Circuit Breakers

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Model EDF-SK1-1
Type SF6 GAS
Rated Voltage(KV) 72.5
Rated normal current(A) 2500
Rated frequency(HZ) 50
Rated breaking current(KA) 25
Rated making current(KA) 79
Power frequency withstand voltage to earth (KV) 140
Power frequency(KV) 140
Lightning impulse withstand voltage 325
Rated operating sequence O-0.3S-CO-3MIN-CO
Installation Outdoor
Operating mechanism FSA(Spring Type)
Closing / Opening / Breaking time(ms) 60/<=30/<=50
Creepage distance (normal) 1995mm
Creepage Distance (long) 2660mm
Applicable standard IEC 62271-100

High Voltage Circuit Breakers

High Voltage Circuit Breakers

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Model LTB
145D1/B 170D1/B 245E1 420E2
Type SF6 gas
Rated Voltage(KV) 145 170 245 420
Rated normal current(A) 3150 3150 4000 4000
Rated frequency(HZ) 50
Rated breaking current(KA) 40 40 50 50
Rated making current(KA) 100 100 125 125
Power frequency withstand voltage to earth (KV) 275 325 460 520
Power frequency(KV) 275 325 460 610
Lightning impulse withstand voltage 650 750 1050 1425
Rated operating sequence O-0.3S-CO-3MIN-CO
Installation Outdoor
Operating mechanism BLK(Spring Type) BLK(Spring Type) BLK(Spring Type) BLG(Spring Type)
Closing / Opening / Breaking time/s 40/19-25/40 40/19-25/40 55/17-19/40 60/17-21/40
Creepage distance (nominal) 3900mm - 6327mm 11597mm
Creepage Distance (long) - 4585mm 7766mm 14514mm
Applicable standard IEC 62271-100

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