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IEC 62271-110 (Circuit-Breakers)

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nr VoltageNormal currentFreq
uency
Short-circuit breaking currentArc exting-
uishing medium
Stored energy closing Designation Owner Certificate number Cert. type Contents Remarks
# kV Hz kA          Help Help  
1420 4000 50 63 SF6 Stored energy closing (hydraulic) HCHY426A HI POWER2022-15  
2550 6300 50 63 SF6 Stored energy closing (hydraulic) ZF15-550/Y6300-63(LW56-550) NEW NORTHEAST ELECTRIC2255-15  
3550 6300 50 63 SF6 Stored energy closing (hydraulic) ZF15-550/Y6300-63(LW56-550) NEW NORTHEAST ELECTRIC2258-15  
4550 6300 50/60 63 SF6 Stored energy closing (hydraulic) ZF15-550/Y6300-63(LW56-550) NEW NORTHEAST ELECTRIC2264-15  
5550 5000 50 63 SF6 Stored energy closing (springs, charged by motor) LW-550(P)/Y5000-63 SHANDONGTAIKAI-CNT2314-17 
6420 4000 50 63 SF6 Stored energy closing (springs, charged by motor) HCSP 426A 1 HYOSUNG2400-18