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What is the difference between the Y and Y6 suffixes on a Powerpact B-frame breaker catalog number? Example: BGA34060Y or BGA34060Y6

Meaning of Y and Y6 suffix on a B-frame breaker

Product Line:
Molded Circuit Breaker

Powerpact B-Frame Breaker

The Y suffix means the I-line B-frame breaker has A, B, C phasing left to right while the Y6 means it has the reverse phasing of C, B, A left to right.  The breaker specifications and performance are identical otherwise.  
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