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HD4 - 68 Pages

Medium voltage products

HD4

Gas insulated MV circuit-breakers

12 ... 40.5 kV - 630 ... 3600 A - 16 ... 50 kA

Power and productivity

for a better world™

HD4
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     .41DESCRIPTION2     2   CIRCUIT-BREAKER SELECTION AND ORDERING 6    COCIRCUIT-BREAKERS...
  4. P. 4

    1DescriPtion Autopuffer breaking technique Electric arc extinction without chopped current No restriking after breaking Rapid recovery of the dielectric...
  5. P. 5

    137465Circuit-breakerclosed1Main contactseparationArcing contactseparationCircuit-breakeropenMain contact separationNo electric arc strikes as the current...
  6. P. 6

    1DescriPtionStandards and approvalsHD4 circuit-breakers comply with IEC 62271-100, CEI 17-1 file1375 Standards and with those of major industrialised countries.They...
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Text version

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