NEN NPR IEC/TR 62271-310 : 2008
Current
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The latest, up-to-date edition.
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 310: ELECTRICAL ENDURANCE TESTING FOR CIRCUIT-BREAKERS ABOVE A RATED VOLTAGE OF 52 KV
Published date
12-01-2013
Publisher
Applies to class E2 circuit-breakers above a rated voltage of 52 kV for use on overhead lines. The test programmes are based on accumulated electrical stresses due to current interruption during a period of 25 years, which was chosen as representative for a maintenance-free interval.
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