What is the difference between the old KDL main circuit breaker and the current QDL main circuit breaker used in the QO 3-phase load centers?

Issue:
Product Design Features

Product Line:
QO Load Centers

Resolution:
The KDL main circuit breaker is obsolete and no longer used in the Square D, QO, 3-phase load centers. The current design, QO, 3-phase load centers uses the QDL main circuit breakers. The QDL breaker is NOT a replacement for the KDL breaker and cannot be used in the load centers that used KDL breakers.

Released for: Schneider Electric Canada