Is there a DC trip curve available for QO/QOB type breakers?
Issue:
DC Trip Curve for QO/QOB breakers.
Product Line:
Circuit Breakers
Resolution:
The trip curves are the same as for AC. For 48 Vdc rated QO breakers, on the existing trip curves, the thermal half of the curve remains at the same value, but the magnetic part shifts to the right of the existing points by a factor of 1.2x.
DC Trip Curve for QO/QOB breakers.
Product Line:
Circuit Breakers
Resolution:
The trip curves are the same as for AC. For 48 Vdc rated QO breakers, on the existing trip curves, the thermal half of the curve remains at the same value, but the magnetic part shifts to the right of the existing points by a factor of 1.2x.
Released for: Schneider Electric Canada
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