Technical specifications
6.8 Failure probability acc. to B10 and B10d
3WA1 air circuit breaker
510 Equipment Manual, 02/2023, 92310000002-06
6.8 Failure probability acc. to B10 and B10d
Endurance
The listed B10 values are based on the maximum electrical operating cycles without
maintenance.
The following values are valid for the endurance of the 3WA circuit breakers:
Size 1 AC:
Breaking capacity N ≤ 690 V AC
Electrical operating cycles without
maintenance
Breaking capacity S ≤ 690 V AC
Electrical operating cycles without
maintenance
Breaking capacity M ≤ 690 V AC
Electrical operating cycles without
maintenance
Breaking capacity E at 690 V AC
Electrical operating cycles without
maintenance
Breaking capacity E at 1000 V AC
Electrical operating cycles without
maintenance
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