Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SQUARE D Load Center Cover: 29.86 in Lg, 1, Door, Non-Vented, 30 Spaces, 200 A Amps - Covers for Square D QO Load Centers
SQUARE DCovers for Square D QO Load Centers

SQUARE D Load Center Cover: 29.86 in Lg, 1, Door, Non-Vented, 30 Spaces, 200 A Amps

The Square D QOC30US Load Center Cover is a Type 1, non-vented door cover for QO load centers, sized 29.86 inches long by 14.25 inches wide, with 30 spaces and a 200 A rating. Designed for surface mounting, it…

SKU 3G-OTH-772123

Brand
SQUARE D
Item
Load Center Cover: 29.86 in Lg, 1, Door, Non-Vented, 30 Spaces, 200 A Amps
Category
Covers for Square D QO Load Centers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SQUARE D
Manufacturer Part Number
QOC30US
Type
1, Door, Non-Vented
Wd
14.25 in
Amps
200 A
Spaces
30
Venting
Non-Vented
Includes
Door
NEMA Rating
1
Mounting Style
Surface
Compatible Enclosure Box
QO124M125P
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Square D QOC30US Load Center Cover is a Type 1, non-vented door cover for QO load centers, sized 29.86 inches long by 14.25 inches wide, with 30 spaces and a 200 A rating. Designed for surface mounting, it includes a door and is compatible with enclosure box QO124M125P, meeting NEMA 1 requirements.

Frequently Asked Questions

What is the Square D QOC30US load center cover used for?

The Square D QOC30US is a Type 1, non-vented door cover for QO load centers. It provides a protective enclosure for electrical distribution in commercial and industrial facilities, supporting up to 200 A and 30 spaces, and is designed for surface mounting.

What are the specifications of the Square D QOC30US load center cover?

The Square D QOC30US measures 29.86 inches long by 14.25 inches wide, rated 200 A with 30 spaces. It is a non-vented door cover with NEMA 1 rating, designed for surface mounting, and compatible with enclosure box QO124M125P.

Where to buy the Square D QOC30US load center cover worldwide?

3G Electric supplies the Square D QOC30US load center cover worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Square D QOC30US load center cover?

Install the Square D QOC30US cover by aligning it with the compatible QO124M125P enclosure box and securing with the provided hardware. Ensure the surface mount is level and the door operates freely. Always follow local electrical codes and disconnect power before installation.

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 qo load centers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
Load Center Cover: 37.98 in Lg, Mfr. No. QO140L200PG/QO132M150P/QO140M200P, 1, Door, Non-Vented (MPN QOC42US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO140M200P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 37.98 in Lg, Mfr. No. QO140L200PG/QO132M150P/QO140M200P, 1, Door, Non-Vented (MPN QOC42US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO140M200P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting, Indoor (MPN QO2100BNS). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Indoor; Brand: SQUARE D.
SQUARE D
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting, Indoor (MPN QO2100BNS). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Indoor; Brand: SQUARE D.
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 100 A Amps, Surface Mounting, Outdoor (MPN QO3100BNRB). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Outdoor; Brand: SQUARE D.
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 100 A Amps, Surface Mounting, Outdoor (MPN QO3100BNRB). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Outdoor; Brand: SQUARE D.
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting, Outdoor (MPN QO2100BNRB). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Outdoor; Brand: SQUARE D.
SQUARE D
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting, Outdoor (MPN QO2100BNRB). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Outdoor; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 40 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO240VH). Key specifications — Phase: Single; Amps: 40 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 40 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO240VH). Key specifications — Phase: Single; Amps: 40 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 125 A Amps, Surface Mounting, Outdoor (MPN QO2125BNRB). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Outdoor; Brand: SQUARE D.
SQUARE D
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 125 A Amps, Surface Mounting, Outdoor (MPN QO2125BNRB). Key specifications — For Use With: Square D QO Circuit Breakers; Mounting Style: Surface; Location: Outdoor; Brand: SQUARE D.

More from SQUARE D

View all SQUARE D parts
Load Center Cover: 19.12 in Lg, Mfr. No. QO112L125PG/QO312L125PG, 1, Door, Non-Vented, 16 Spaces (MPN QOC16UF). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: Mfr. No. QO112L125PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 19.12 in Lg, Mfr. No. QO112L125PG/QO312L125PG, 1, Door, Non-Vented, 16 Spaces (MPN QOC16UF). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: Mfr. No. QO112L125PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 31.06 in Lg, 1, Door, Non-Vented, 30 Spaces, 200 A Amps, 15.44 in Wd (MPN QOC30UF). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: QO124M125P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 31.06 in Lg, 1, Door, Non-Vented, 30 Spaces, 200 A Amps, 15.44 in Wd (MPN QOC30UF). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: QO124M125P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 17.92 in Lg, Mfr. No. QO120L125PG/QO116M100P/QO120M100P, 1, Door, Non-Vented (MPN QOC20U100S). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: Mfr. No. QO120L125PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 17.92 in Lg, Mfr. No. QO120L125PG/QO116M100P/QO120M100P, 1, Door, Non-Vented (MPN QOC20U100S). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: Mfr. No. QO120L125PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 17.92 in Lg, Mfr. No. QO112L125PG/QO312L125PG, 1, Door, Non-Vented, 16 Spaces (MPN QOC16US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO312L125PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 17.92 in Lg, Mfr. No. QO112L125PG/QO312L125PG, 1, Door, Non-Vented, 16 Spaces (MPN QOC16US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO312L125PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 20.18 in Lg, 1, Door, Non-Vented, 24 Spaces, 125 A Amps, 14.25 in Wd (MPN QOC24US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO124M125P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 20.18 in Lg, 1, Door, Non-Vented, 24 Spaces, 125 A Amps, 14.25 in Wd (MPN QOC24US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO124M125P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 33.78 in Lg, Mfr. No. QO140L200PG/QO132M150P/QO140M200P, 1, Door, Non-Vented (MPN QOC40US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO140M200P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 33.78 in Lg, Mfr. No. QO140L200PG/QO132M150P/QO140M200P, 1, Door, Non-Vented (MPN QOC40US). Key specifications — Mounting Style: Surface; Compatible Enclosure Box: QO140M200P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 19.12 in Lg, Mfr. No. QO120L125PG/QO116M100P/QO120M100P, 1, Door, Non-Vented (MPN QOC20U100F). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: QO120M100P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 19.12 in Lg, Mfr. No. QO120L125PG/QO116M100P/QO120M100P, 1, Door, Non-Vented (MPN QOC20U100F). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: QO120M100P; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
Load Center Cover: 39.18 in Lg, Mfr. No. QO140L200PG/QO132M150P/QO140M200P, 1, Door, Non-Vented (MPN QOC42UF). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: Mfr. No. QO140L200PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.
SQUARE D
Load Center Cover: 39.18 in Lg, Mfr. No. QO140L200PG/QO132M150P/QO140M200P, 1, Door, Non-Vented (MPN QOC42UF). Key specifications — Mounting Style: Flush; Compatible Enclosure Box: Mfr. No. QO140L200PG; NEMA Rating: 1; Includes: Door; Venting: Non-Vented.