Technical FAQs

Ask a Question

What is the maximum number of AFI breakers that can be mounted in a NQ panelboard?

Is there a maximum number of Arc fault breaker that can be mounted in an NQ panelboard?

Product Line:
NQ panelboards sold and supported in the USA.

Application/product selection. 

Total number of AFI/CAFI breaker installed

The maximum is 54. Code limits the % of gutter that can be filled by pigtails. Exceeding 54 per panel exceeds maximum % gutter fill.
Was this helpful?
What can we do to improve the information ?