Square D NC-VF NQ/NF NC Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$395.66
Square D NC-VF NQ/NF NC Series Flush Ventilated Panelboard Enclosure Cover, Type 1

Square D NC-VF NQ/NF NC Series Flush Ventilated Panelboard Enclosure Cover, Type 1

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Model: NC50VF

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

$395.66
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Square D NQ/NF NC Series Flush Ventilated Panelboard Enclosure Cover, Type 1

The Square D NQ/NF NC Series Flush Ventilated Panelboard Enclosure Cover is a Type 1 indoor cover engineered for NQ and NF panelboard enclosures. This family of covers is available for enclosure boxes measuring 20in W x 50in H, 20in W x 56in H, and 20in W x 62in H, giving contractors a matched cover option for the full range of NQ/NF box heights. Built from steel with a Gray finish, this ventilated flush cover is cULus listed and pairs with panelboards carrying a 250A line rated current for commercial buildings, industrial buildings, data centers, stadiums, and offices.

Key Features

  • Box Height Range: Sized to fit NQ/NF enclosure boxes at 20in W x 50in H, 20in W x 56in H, or 20in W x 62in H, including MH62 and MH62WP box configurations.
  • Durable Construction: Steel construction with a Gray finish resists wear in commercial and industrial settings.
  • Type & Configuration: Type 1 rated, flush-mount, ventilated front plate for indoor installations.
  • Line Rated Current: Supports panelboard systems rated at 250A.
  • Modular Design: Modular construction allows for easy assembly or modification in the field across all box height options.
  • Serviceability: Accessories and replacement parts allow design flexibility and maximize job productivity.
  • Enclosure Options: Related NQ/NF enclosures are available in NEMA Type 1, 2, 3R, 4, 4X, 5, and 12, with Type 1, 2, 3R/5/12 ready to install from distributor inventory.

Certifications & Compliance

  • cULus Listed
  • NEMA 1 Rated
  • Toxic Heavy Metal Free
  • Mercury Free

Technical Specifications

  • Enclosure Material: Steel
  • Color: Gray
  • Nema Degree Of Protection: NEMA 1
  • Line Rated Current: 250A
  • Product Certifications: cULus
  • Warranty: 18 months
  • Country of Origin: USA
  • Toxic Heavy Metal Free: Yes
  • Mercury Free: Yes
  • Packaging: 8 ea
  • Box Height Options: 50in, 56in, 62in (20in W)

Typical Applications

  • Commercial Buildings
  • Industrial Buildings
  • Data Centers
  • Stadiums
  • Offices
  • NQ/NF Panelboard Enclosure Systems

Why Square D?

Square D backs this NQ/NF NC Series enclosure cover family with steel construction, a cULus listing, and an 18-month warranty, giving contractors and OEMs a code-compliant, ready-to-install component for panelboard systems across multiple box heights. Modular construction and available replacement accessories make it straightforward to assemble, service, or modify Type 1 NQ/NF enclosures in commercial and industrial applications.

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Manufacturer Resources

Product Specs

Product Type:
Panel Cover & Trim
Configuration:
Flush, Ventilated
Amperage Rating:
250A
Listing:
cULus
Standards:
NEMA 1
Country of Origin:
United States
Product Material:
Steel
Product Color:
Gray
Department:
Electrical
Product Group:
Power Distribution
Product Subgroup:
Panelboards & Load Centers
Product Width:
20 in

Square D NC50VF – Frequently Asked Questions

1) How do I know which NC Series ventilated cover fits my Square D NQ panelboard box?
Match the cover to the box height. The NC Series flush ventilated covers come in three sizes, all for 20 inch wide boxes: NC50VF for a 20 x 50 inch box, NC56VF for a 20 x 56 inch box, and NC62VF for a 20 x 62 inch box. Measure the enclosure box itself, not the interior or the panelboard, and order the part number that matches that box height.
2) What does the "VF" mean on a Square D NC50VF cover, and is it flush or surface mount?
VF is the flush ventilated version. These NC Series covers are flush mount, meaning they suit a panelboard box recessed into the wall, and the front plate is ventilated for airflow. If the box is mounted on the surface of the wall, a flush trim is the wrong choice and you need a surface cover instead.
3) Can this Square D panelboard cover be used outdoors or in a washdown area?
No. The NC Series ventilated cover is a NEMA Type 1 indoor cover, so it is for dry indoor locations only, and the ventilation louvers make it unsuitable anywhere water, dust, or corrosives are present. Outdoors or in a wet area you need a 3R or 4X rated enclosure and cover; Square D lists NQ/NF enclosures in Type 1, 2, 3R, 4, 4X, 5, and 12.
4) Will the NC62VF cover fit an MH62 box?
Yes. The NC Series covers are designed for NQ/NF enclosures including MH62 and MH62WP box configurations, and the NC62VF is the size cut for the 20 inch wide by 62 inch high box.
5) I need to replace a damaged panelboard front without swapping the whole enclosure. Can I just order the cover?
Yes, that is exactly what the NC Series front is for. Square D builds the NQ/NF enclosure line as modular, with covers and accessories available as separate replacement parts, so a dented or missing front can be replaced in the field without disturbing the box or the interior. Confirm the box height (50, 56, or 62 inches on a 20 inch wide box) and order the matching VF part number.
6) Does the NC Series cover work on a 250A NQ or NF panelboard?
Yes. These covers pair with NQ and NF panelboards carrying a 250 A line rated current. The cover itself carries no current, so the amperage figure is about the panelboard family it belongs to, not a limit you have to derate.
7) Why would I choose a ventilated panelboard cover over a solid one?
Ventilation is about heat. A flush ventilated NC Series front lets a heavily loaded 250 A NQ or NF panelboard shed heat in a closet or electrical room where airflow is limited. The trade off is that the louvers rule out any environment with dust, moisture, or contaminants, which is why the ventilated version is Type 1 indoor only. In a dirty or damp space, specify a solid cover on an enclosure rated for the conditions.
8) What is the Square D NC Series panelboard cover made of and what color is it?
Steel, finished in gray. That is the standard Square D panelboard trim finish, so it will match the other NQ/NF covers already installed in a building without repainting.
9) Are these Square D covers sold individually or in a carton?
The NC Series ventilated covers are packaged 8 each. They are made in the United States.
How fast can I get the Square D NC50VF 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 NC50VF come with a warranty?
Absolutely. The Square D NC50VF 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 NC50VF?
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 NC50VF from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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