What does suffix 1380 indicate on a breaker?

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What does suffix 1380 indicate on a legacy circuit breaker?

Issue:
Meaning of the suffix 1380 on legacy breaker part numbers

Product Line:
Circuit breaker accessories

Resolution:
The suffix 1380 is the combination suffix for a 120 Vac shunt trip (suffix 1021) and a 1A1B aux contact (suffix 1212).