Can I use any panelboard rated 28 Vdc if I am only installing 20A circuit breakers?

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Issue:
Panelboard to be used frated 28 VDC with 20A circuit breakers

Product Line:
NQ

Environment:
Application

Cause:
Selection

Resolution:
Square D suggests using a NQ panelboard. These are rated to 48 Vdc.
NF panelboards cannot be used in DC applications. I-Lines can be used up to 250 Vdc.