Square D NF Panelboard Feed-Th...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$113.86

Square D NF Panelboard Feed-Thru Lug Kit, 125A, Aluminum

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Model: 278833

In Stock (leaves warehouse same day if ordered before 3pm ET)

$113.86
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Square D NF Panelboard Feed-Thru Lug Kit, 125A, Aluminum

The Square D NF Panelboard Feed-Thru Lug Kit is a factory-engineered accessory for NQ and NF Panelboards, rated 125A and designed for aluminum conductor terminations from AWG 6 through 350 kcmil. Built for modular panelboards with field-installable construction, this kit lets contractors and OEMs extend or reconfigure a panelboard on-site without replacing the entire assembly. The kit ships complete with a cover extension, screw set, rail splices, rail extensions, and lugs, and carries cULus certification for code-compliant installations.

Key Features

  • Amperage Rating: 125A feed-thru lug kit for NQ and NF panelboard installations.
  • Conductor Material: Aluminum lug construction sized for AWG 6...350 kcmil conductors.
  • Tightening Torque: 6.8-7.3 N.m across the 13.3-177.3 mm² (AWG 6...350 kcmil) conductor range for a secure, code-compliant termination.
  • Complete Kit Contents: Includes 1 cover extension, 1 screw set, 2 rail splices, 2 rail extensions, and 4 lugs for a ready-to-install accessory package.
  • Modular Design: Field-installable construction allows on-site design changes and easy modification or extension of the panelboard.
  • Factory-Assembled Option: Ready-to-assemble kit maximizes job productivity and design flexibility for panelboard upfits.

Certifications & Compliance

  • cULus Listed
  • ROHS Eur Compliant
  • Mercury Free
  • Toxic Heavy Metal Free

Technical Specifications

  • Toxic Heavy Metal Free: Yes
  • Warranty: 18 months
  • Warranty Period: 18 months
  • Sustainable Packaging: No
  • Mercury Free: Yes
  • Packaging Without Single Use Plastic: No
  • ROHS Eur In Scope: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • With Recycled Cardboard: Yes
  • Country of Origin: Mexico
  • Returnability: Yes

Typical Applications

  • Commercial and Industrial Panelboard Installations
  • NQ and NF Panelboard Upgrades and Conversions
  • Feed-Thru Lug Additions for Service Extensions
  • On-Site Design Changes and Field Modifications
  • New Construction and Renovation Electrical Work

Why Square D?

Square D engineers the NQ and NF panelboard accessory line for modular, field-installable flexibility, so contractors and OEMs can adapt panelboards on-site without full replacement. This feed-thru lug kit is cULus listed, mercury free, and toxic heavy metal free, backed by an 18-month warranty for dependable, code-compliant performance on commercial electrical projects.

Manufacturer Resources

Product Specs

Product Type:
Lug Kit
Amperage Rating:
125A
Listing:
cULus
Standards:
ROHS Eur
Country of Origin:
Mexico
Product Material:
Aluminum
Department:
Electrical
Product Group:
Wiring Devices

Square D 278833 – Frequently Asked Questions

How fast can I get the Square D 278833 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D 278833 come with a warranty?
Absolutely. The Square D 278833 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D 278833?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D 278833 from ZenSupply?
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