How can we help you today?

What is the largest branch breaker available in the 400A NQ panel in a NEMA 3R enclosure?

Issue:
What is the maximum amp of a branch breaker that can be installed in a 400A NQ panel in a weatherproof enclosure?

Product Line:
NQ Circuit Breaker panels sold and supported in the USA.

Environment:
Specifications

Cause:
Product Features

Resolution:
Due to heat rise restrictions inside the NEMA 3R enclosure, the maximum branch breaker is a 150A/3P QOB-VH branch. A 150A sub feed breaker is the largest subfeed branch that can be utilized.

Schneider Electric USA

Explore more
Range:
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:

Need help?

Need help?

Product Selector

Product Selector

Quickly and easily find the right products and accessories for your applications.

Get a Quote

Get a Quote

Start your sales inquiry online and an expert will connect with you.

Where to buy?

Where to buy?

Easily find the nearest Schneider Electric distributor in your location.

Help Center

Help Center

Find support resources for all your needs, in one place.

  • Help and Contact Center
  • Contact Sales
  • Find our Offices
  • Where to Buy
  • Tech Support: 877-342-5173
  • Careers
  • Company Profile
  • Investors
  • Newsroom
  • Report a Misconduct
  • Product Documentation
  • Software and Firmware
  • Product Selector
  • Product Replacement
  • DigestPLUS Online Catalogue
  • Blog
  • Events
  • Schneider Electric Community
  • Sustainability
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings