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Will the new style QO Tandem Breaker interchange with the old style?

Issue:
Can the new QOT Tandem breakers be interchanged with the old style QO tandem breakers?

Product Line:
Miniature Circuit Breakers

Environment:
QO Tandem Breakers

Cause:
Application

Resolution:
The new style QOT has a rejection feature which will not allow application except in panels specifically designed for tandem breakers. The old style does not have this rejection feature.
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