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

SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting - Q-Frame Square D Circuit Breaker Enclosures
SQUARE DQ-Frame Square D Circuit Breaker Enclosures

SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting

The SQUARE D Q-Frame Circuit Breaker Enclosure (MPN QO2100BNRB) is an outdoor-rated, surface-mount enclosure designed for use with Square D QO circuit breakers. It provides 2 spaces and is rated for 100 A. This…

SKU 3G-OTH-22221

Brand
SQUARE D
Item
Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting
Category
Q-Frame Square D Circuit Breaker Enclosures
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
QO2100BNRB
Type
Surface Mounting, Outdoor
Amps
100 A
Location
Outdoor
For Use With
Square D QO Circuit Breakers
Mounting Style
Surface

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 Q-Frame Circuit Breaker Enclosure (MPN QO2100BNRB) is an outdoor-rated, surface-mount enclosure designed for use with Square D QO circuit breakers. It provides 2 spaces and is rated for 100 A. This enclosure is suitable for outdoor installations requiring a surface-mounted breaker panel.

Frequently Asked Questions

What is the SQUARE D QO2100BNRB circuit breaker enclosure used for?

The SQUARE D QO2100BNRB is a Q-Frame circuit breaker enclosure used for outdoor surface-mount installations. It provides 2 spaces and is rated for 100 A, designed to house Square D QO circuit breakers in residential or light commercial applications requiring weather-resistant protection.

What are the specifications of the SQUARE D QO2100BNRB enclosure?

The SQUARE D QO2100BNRB enclosure is rated for 100 A, has 2 spaces, and is designed for surface mounting in outdoor locations. It is compatible with Square D QO circuit breakers. The manufacturer part number is QO2100BNRB, and the brand is SQUARE D.

Where to buy the SQUARE D QO2100BNRB enclosure worldwide?

3G Electric supplies the SQUARE D QO2100BNRB enclosure to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us to source this Square D enclosure for your project.

How to install the SQUARE D QO2100BNRB outdoor enclosure?

Mount the SQUARE D QO2100BNRB enclosure on a flat outdoor surface using appropriate hardware. Ensure the enclosure is properly grounded per local codes. Install Square D QO circuit breakers into the 2 spaces, then connect incoming and outgoing conductors. Always follow NEC guidelines and consult a licensed electrician.

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 q-frame square d circuit breaker enclosures. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250AWK)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250AWK)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250R)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250R)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250DS)
SQUARE
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 250 A Amps, Surface Mounting, Outdoor (MPN J250DS)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Surface Mounting, Outdoor (MPN LA400R)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Surface Mounting, Outdoor (MPN LA400R)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Surface Mounting, Outdoor (MPN LA400AWK)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 400 A Amps, Surface Mounting, Outdoor (MPN LA400AWK)

More from SQUARE D

View all SQUARE D parts
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 100 A Amps, Surface Mounting, Outdoor (MPN QO3100BNRB)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 100 A Amps, Surface Mounting, Outdoor (MPN QO3100BNRB)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Flush Mounting, Indoor (MPN Q23225NF)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Flush Mounting, Indoor (MPN Q23225NF)
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 200 A Amps, Surface Mounting, Indoor (MPN Q22200NS)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 200 A Amps, Surface Mounting, Indoor (MPN Q22200NS)
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 125 A Amps, Surface Mounting, Outdoor (MPN QO2125BNRB)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 125 A Amps, Surface Mounting, Outdoor (MPN QO2125BNRB)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Surface Mounting, Outdoor (MPN Q23225NRB)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Surface Mounting, Outdoor (MPN Q23225NRB)
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting, Indoor (MPN QO2100BNS)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 2 Spaces, 100 A Amps, Surface Mounting, Indoor (MPN QO2100BNS)
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Surface Mounting, Indoor (MPN Q23225NS)
SQUARE D
SQUARE D Circuit Breaker Enclosure: 3 Spaces, 225 A Amps, Surface Mounting, Indoor (MPN Q23225NS)