Issue:
Testing DC breakers with AC current
Product Line:
Circuit breakers
Resolution:
AC current may be used to test these breakers for thermal tripping at 2xIn or 1.35xIn test per UL-489 SC.
Magnetic trip tests need to be performed using DC current to get accurate results.
Testing DC breakers with AC current
Product Line:
Circuit breakers
Resolution:
AC current may be used to test these breakers for thermal tripping at 2xIn or 1.35xIn test per UL-489 SC.
Magnetic trip tests need to be performed using DC current to get accurate results.
Released for: Schneider Electric USA


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