Overview

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IEC 62271-110 (Circuit-Breakers)

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nr VoltageNormal currentShort-circuit currentFreq
uency
Closing mechanismArc exting-
uishing medium
Designation Owner Certificate number Cert. type Contents Remarks
# kV kA Hz          Help Help  
1550 6300 63 50 Stored energy closing (hydraulic) SF6 ZF15-550/Y6300-63(LW56-550) NEW NORTHEAST ELECTRIC2255-15  577 90894 
2550 6300 63 50 Stored energy closing (hydraulic) SF6 ZF15-550/Y6300-63(LW56-550) NEW NORTHEAST ELECTRIC2258-15  577 90894 
3420 4000 63 50 Stored energy closing (hydraulic) SF6 HCHY426A HI POWER2022-15   76151 
4550 5000 63 50 Stored energy closing (springs, charged by motor) SF6 LW-550(P)/Y5000-63 SHANDONGTAIKAI-CNT2314-17 559 82712 
5550 6300 63 50/60 Stored energy closing (hydraulic) SF6 ZF15-550/Y6300-63(LW56-550) NEW NORTHEAST ELECTRIC2264-15  577 90894