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My customer has a breaker KCL34125-1036. What is 1036?

1036 is an obsolete suffix, now replaced by suffix 1032. 1032 is combination of 120/240V shunt trip (1021), and rerating the breaker to 50 degrees C calibration(35). The 50 degrees C ambient rating is not UL listed.

CTA-ID : 2026441
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