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    What is the suffix that designates 50 deg C calibration on the Powerpact circuit breakers?

    Product Line:
    Circuit Breakers

    Electrical Distribution Equipment

    To meet requirements of higher ambient conditions, circuit breakers can be factory calibrated for a 50° C ambient temperature by using the CA Suffix. Circuit breakers with special thermal calibration such as CA suffix are not UL Listed. The CA suffix applies to Powerpact  H, J and Q thermal magnetic circuit breaker only.

    NOTE: Electronic Powerpact breakers and Powerpact B beakers are not available with 50° calibration, however they can be applied in 50° C applications when de-rated properly.  For more information on the electronic Powerpact H, J, L, M, P, and R see attached catalog pages with ambient de-rating tables.


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