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What Canadian CQO and CHOM Load Center Catalog numbers come with a Main Breaker or Main Lugs factory installed?

Published date: 10 June 2020

Issue:
Product Design Features

Product Line:
QO and Homeline Load Centers

Environment:
Main Breaker factory installed

Cause:
application

Resolution:

The catalog number will show if the load center comes from the factory with a Main Breaker or Main Lugs factory installed.
A) If the catalog number has a 'M' in the middle of the number, between the 'Space/Circuits and Amperage rating' of the catalog number, the load center comes with a Main Breaker.
B) If the catalog number has a 'L' in the middel of the number between the 'Space/Circuits and Amperage rating' of the catalog number, the load center comes with Main Lugs.
See Below some examples. 

Examples #1 and #2 are Single Phase CQO Canadian Load Centers:
1) The CQO140M200C -  CQO = Type of load center,  1 = indicates Single Phase, 40 = Number of Full single pole spaces, 'M' = Main Breaker Factory Installed, 200 = Maximum Amperage rating, C = Combination Cover included.

2) The CQO140L200GC - CQO= Type of load center, 1 = indicates Single Phase, 40 = Number of Full single pole spaces, 'L' = Main Lugs Factory Installed, 200 = Maximum Amperage rating, G = Ground bar included, C = Combination cover included.

Examples #3 and #4 are Three Phase QO Canadian Load Centers:
3) The QO342MQB200 - QO = Type of load center, 3 = indicates Three Phase, 42 = Number of Full single pole spaces, 'MQB' = Main Breaker Factory Installed, 200 = Maximum Amperage rating.

4) The QO330ML2 - QO = Type of load center, 3 = Three Phase, 30 = Number of Full single pole spaces, ML = Main Lugs Factory installed, 2 = 200 Maximum Amperage rating

Examples #5 and #6 are CHOM Canadian Load Centers. Schneider Electric does NOT offer 3phase CHOM type load centers:
5) The CHOM3060M150GC - CHOM = Type of load center, 30 = Number of Full single pole spaces, 60 = Number of Circuits using HOMT type tandem breakers, 'M' = Main Breaker Factory installed, 150 = Maximum Amperage Rating, G = Ground bar included, C = Combination Cover included.

6) The CHOM3060L125GC - CHOM = Type of load center, 30 = Number of Full single pole spaces, 60 = Number of Circuits using HOMT type tandem breakers, 'L' = Main Lugs Factory installed, 125 = Maximum Amperage Rating, G = Ground bar included, C = Combination Cover included.





 

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