What branch breakers can be installed in a QO40MG200RB load center?

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Issue:
Type of branch breaker that can be installed in QO40MG200RB

Product Line:
Load Center

Environment:
Branch Breaker

Resolution:
This panel accepted QO and Q1 branch circuit breakers. However, Q1 branch circuit breakers are obsolete and no longer available. Use only QO branch circuit breakers manufactured by Square D Company.