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SQUARE D Bolt-On Hubs: For Conduit Size 1-1/2 in - Disconnect Switch Enclosure Hubs
SQUARE DDisconnect Switch Enclosure Hubs

SQUARE D Bolt-On Hubs: For Conduit Size 1-1/2 in

SQUARE D Disconnect Switch Enclosure Hubs.

SKU 3G-OTH-26392

Also listed as: B 150 · B-150

Brand
SQUARE D
Item
Bolt-On Hubs: For Conduit Size 1-1/2 in
Category
Disconnect Switch Enclosure Hubs
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
B150

Technical Documents

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

Product Description

SQUARE D Disconnect Switch Enclosure Hubs.

Frequently Asked Questions

What is a SQUARE D Bolt-On Hub used for?

A SQUARE D Bolt-On Hub is used to connect conduit to a NEMA 3R disconnect switch enclosure, providing a weathertight seal for outdoor industrial and commercial electrical installations. It ensures secure cable entry while maintaining the enclosure's rainproof and sleet-resistant rating.

What are the specifications of the SQUARE D B150 Bolt-On Hub?

The SQUARE D B150 Bolt-On Hub is designed for conduit size 1-1/2 inches and carries a NEMA 3R enclosure rating, making it suitable for outdoor use. The manufacturer part number is B150, and it is a disconnect switch enclosure hub from SQUARE D.

Where to buy SQUARE D B150 Bolt-On Hub worldwide?

You can source the SQUARE D B150 Bolt-On Hub through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine SQUARE D components for your electrical infrastructure needs.

How to install a SQUARE D Bolt-On Hub on a NEMA 3R enclosure?

To install a SQUARE D Bolt-On Hub, first ensure the enclosure knockout matches the 1-1/2 inch conduit size. Insert the hub through the knockout from outside, then secure it with the provided locknut inside the enclosure. Tighten to manufacturer torque specs and seal threads for weathertight integrity.

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 disconnect switch enclosure hubs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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