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SQUARE D Panelboard Cover: 74 in Lg, 48R540, 1, Door, Vented, 400 A Amps, Steel - Covers for Square D NQ and NF Panelboards
SQUARE DCovers for Square D NQ and NF Panelboards

SQUARE D Panelboard Cover: 74 in Lg, 48R540, 1, Door, Vented, 400 A Amps, Steel

The Square D NC74VS is a 74-inch-long, vented steel door cover for NQ and NF panelboards, rated 400 A and 20 inches wide with flush mounting. This genuine Square D component ensures proper enclosure and ventilation…

SKU 3G-OTH-621977

Brand
SQUARE D
Item
Panelboard Cover: 74 in Lg, 48R540, 1, Door, Vented, 400 A Amps, Steel
Category
Covers for Square D NQ and NF Panelboards
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Technical Specifications

SQUARE D
Manufacturer Part Number
NC74VS
Type
48R540, 1, Door, Vented, Steel, Flush Mounting
Wd
20 in
Amps
400 A
View Full Spec Sheet

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D NC74VS is a 74-inch-long, vented steel door cover for NQ and NF panelboards, rated 400 A and 20 inches wide with flush mounting. This genuine Square D component ensures proper enclosure and ventilation for compatible panelboard installations.

Frequently Asked Questions

What is the Square D NC74VS panelboard cover used for?

The Square D NC74VS is a 74-inch-long, vented steel door cover designed for NQ and NF panelboards. It provides proper enclosure and ventilation for 400 A rated installations, ensuring safe operation in industrial electrical distribution systems.

What are the specifications of the Square D NC74VS panelboard cover?

The Square D NC74VS is a 74-inch-long, 20-inch-wide, vented steel door cover with flush mounting. It is rated for 400 A and is a genuine Square D component for NQ and NF panelboards. The part number is NC74VS.

Where to buy the Square D NC74VS panelboard cover worldwide?

3G Electric supplies the Square D NC74VS panelboard cover worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine Square D component for your panelboard installation.

How to install the Square D NC74VS panelboard cover?

Install the Square D NC74VS cover by aligning it with the NQ or NF panelboard enclosure and securing it with the provided hardware. Ensure the vented door is properly seated for adequate airflow. Always follow Square D's installation instructions and local electrical codes for safe operation.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D covers for square d nq and nf panelboards. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Panelboard Cover: 38 in Lg, 6B429, 1, Door, Non-Vented, 42 Spaces, 125 A Amps, Steel, 20 in Wd (MPN NC38S). Key specifications — attr196460: Surface; attr196457: Steel; attr196449: 6B429; attr196450: 1; attr196451: Door; attr196452: Non-Vented.
SQUARE D
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Panelboard Cover: 56 in Lg, 1D700, 1, Door, Vented, 42 Spaces, 400 A Amps, Steel, 20 in Wd (MPN NC56VF). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 1D700; attr196450: 1; attr196451: Door; attr196452: Vented.
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Panelboard Cover: 56 in Lg, 1D700, 1, Door, Vented, 42 Spaces, 400 A Amps, Steel, 20 in Wd (MPN NC56VF). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 1D700; attr196450: 1; attr196451: Door; attr196452: Vented.
Panelboard Cover: 38 in Lg, 6B429, 1, Door, Non-Vented, 42 Spaces, 125 A Amps, Steel, 20 in Wd (MPN NC38F). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 6B429; attr196450: 1; attr196451: Door; attr196452: Non-Vented.
SQUARE D
Panelboard Cover: 38 in Lg, 6B429, 1, Door, Non-Vented, 42 Spaces, 125 A Amps, Steel, 20 in Wd (MPN NC38F). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 6B429; attr196450: 1; attr196451: Door; attr196452: Non-Vented.
Panelboard Cover: 68 in Lg, 48R501, 1, Door, Vented, Steel, 20 in Wd, Flush Mounting (MPN NC68VF). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 48R501; attr196450: 1; attr196451: Door; attr196452: Vented.
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Panelboard Cover: 68 in Lg, 48R501, 1, Door, Vented, Steel, 20 in Wd, Flush Mounting (MPN NC68VF). Key specifications — attr196460: Flush; attr196457: Steel; attr196449: 48R501; attr196450: 1; attr196451: Door; attr196452: Vented.
Panelboard Cover: 44 in Lg, 1D698, 1, Door, Non-Vented, 42 Spaces, 225 A Amps, Steel, 20 in Wd (MPN NC44S). Key specifications — attr196460: Surface; attr196457: Steel; attr196449: 1D698; attr196450: 1; attr196451: Door; attr196452: Non-Vented.
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Panelboard Cover: 44 in Lg, 1D698, 1, Door, Non-Vented, 42 Spaces, 225 A Amps, Steel, 20 in Wd (MPN NC44S). Key specifications — attr196460: Surface; attr196457: Steel; attr196449: 1D698; attr196450: 1; attr196451: Door; attr196452: Non-Vented.
Cover Trim: 74 in Lg, 48R540, 1, Door, 20 in Wd, Flush Mounting (MPN NC74VF). Key specifications — attr196460: Flush; attr196449: 48R540; attr196450: 1; attr196451: Door.
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Cover Trim: 74 in Lg, 48R540, 1, Door, 20 in Wd, Flush Mounting (MPN NC74VF). Key specifications — attr196460: Flush; attr196449: 48R540; attr196450: 1; attr196451: Door.
Panelboard Cover: 32 in Lg, 1D691, 1, Door, Non-Vented, 30 Spaces, 125 A Amps, Steel, 20 in Wd (MPN NC32S). Key specifications — attr196460: Surface; attr196457: Steel; attr196449: 1D691; attr196450: 1; attr196451: Door; attr196452: Non-Vented.
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