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What is suffix 1377 on a FAL340301377 breaker?

The 1377 suffix is now obsolete. The breaker was re-rated for 60 degree C ambient, which we no longer do and it had a 1202 (1A1B aux switch in the L/P).
For 50 degree calibration along with suffix 1212 (1A1B in R/P), order p/n FAL340301361.

CTA-ID : 2050034
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