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Can you use an NQ430L2C for 220/415 50hz voltage systems?
Issue:
Will QOXD/QOBXD breakers work for this voltage system and be installed into a NQ 3 phase /4 wire panelboard ?

Product Line:
NQ

Environment:
Application

Cause:
European voltage system

Resolution:
In order to use the 240/415 V QOXD and QOBXD rated breakers , a Factory assembled and labeled Panelboard would need to quoted and ordered. After which QOXD and QOBXD breakers can be used from the Supplemental Digest link below , for International Panelboards. the panel must come from the Factory and labeled for the Voltage system breakers will be used at. You cannot have a RTI  (Ready to Install) Panel with 240V maximum voktage labeling and use it with 240/415V 3 phase power .

https://www.se.com/us/en/download/document/SD_0100CT1502_SEC-10/

Schneider Electric USA

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