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Can a QO2150, QO2175, QO2200, or QO2225SL be used in a QO three phase load center?
Issue:
Can the 2 pole high Amp QO breakers and sub feed lugs which take 4 spaces be used in a QO three-phase load center?

Product Line:
QO Three Phase Load Centers

Resolution:
NO.
These branch breakers and subfeed lug kit can be applied ONLY in QO, single phase load centers, series G1 or later, rated 150 - 225 A or QONQ single phase load centers rated 300 - 400 A. THEY ARE NOT SUITABLE FOR USE IN ANY QO OR QONQ THREE PHASE LOAD CENTER.

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