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What does the suffix "AA" mean on a Powerpact B, D, H, J, M, P and R frame breakers?

Issue:
The need to understand the meaning of suffix -AA in a Powerpact breaker
 
Product Line:
Powerpact Circuit Breakers
 
Environment:
Applies to Powerpact B, D, H, J, M, P and R frame breakers 
 
Resolution:
The circuit breaker with an AA suffix has a 1a1b auxiliary switch. For field installable part number use:
B-Frame - LV426950 or LV426951 (Pre-wired)
D, H, J, M, L, P, and R-Frames - S29450

Note: Not available on electrically operated P-frame.
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