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What is the suffix for the combination of 1a1b auxiliary contacts (1212) and a normally open alarm contact (2100)?

Issue:
What does the 1253 suffix indicate on a circuit breaker catalog number?  

Product Line:
Molded Case Circuit Breakers

Environment:
Legacy MCCBs 

Resolution:
To get a 1a1b auxiliary contacts (1212) and a normally open alarm contact (2100) use suffix is 1253.
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