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What type of branch circuit breakers are used, and what is the maximum amperage, with ALL of the current design combination service entrance device (CSED) catalog numbers?

Article available in these languages: Spanish

Issue:
Product Design Features

Product Line:
Combination Service Entrance Device

Resolution:
ALWAYS CHECK EACH CATALOG NUMBER WIRING DIAGRAM THAT COMES ON EACH DEVICE FROM THE FACTORY. SEE TABLE BELOW FOR MAXIMUM BRANCH BREAKER AMPERAGE


1) CSED devices up to 225amp Maximum that CONTAIN branch breaker provisions and would use HOM(Homeline) branch breakers are as follows:
All the catalog numbers beginning with prefixes of RC, SC, SO and SU.
2) CSED devices up to 225amp Maximum that CONTAIN branch breaker provisions and would use QO branch breakers are as follows:
All the catalog numbers beginning with prefix of QC,

NOTE: SOME OF THE CSED CATALOG NUMBERS rated up to 225amp Max. DO NOT HAVE PROVISIONS FOR BRANCH BREAKERS. THEREFORE WOULD NOT USE HOM OR QO BRANCH BREAKERS. SEE CURRENT DIGEST FOR THESE SPECIFIC CATALOG NUMBERS

3) CSED Devices rated 300 or 400amp Maximum that CONTAIN branch breaker provisions and that use HOM(Homeline) branch breakers are as follows:
All the catalog numbers beginning with prefixes of RU and SU
4) CSED devices rated 300 or 400amp Maximum that CONTAIN branch breaker provisions and that use QO branch breakers are as follows:
All the catalog numbers beginning with prefixes of CU and QU.

NOTE: SOME OF THE CSED CATALOG NUMBERS rate 300 or 400 Amp MAX. DO NOT HAVE PROVISIONS FOR BRANCH BREAKERS. THEREFORE, WOULD NOT USE HOM or QO Branch Breakers. SEE CURRENT DIGEST FOR THESE SPECIFIC CATALOG NUMBERS.

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