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SQUARE D B075 Bolt-On Hub, 3/4 in Conduit, NEMA 3R - Disconnect Switch Enclosure Hubs
SQUARE DDisconnect Switch Enclosure Hubs

SQUARE D B075 Bolt-On Hub, 3/4 in Conduit, NEMA 3R

SQUARE D Disconnect Switch Enclosure Hubs.

SKU 3G-OTH-26335

Also listed as: B 075 · B-075

Brand
SQUARE D
Item
B075 Bolt-On Hub, 3/4 in Conduit, NEMA 3R
Category
Disconnect Switch Enclosure Hubs
Available to Order
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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
B075

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 disconnect switch enclosure, providing a secure, weathertight seal. It is designed for NEMA 3R enclosures, making it suitable for outdoor industrial and commercial applications where protection against rain and sleet is required.

What are the specifications of the SQUARE D B075 Bolt-On Hub?

The SQUARE D B075 Bolt-On Hub is designed for conduit size 3/4 inch and carries a NEMA 3R enclosure rating. It is manufactured by SQUARE D under part number B075. This hub ensures a reliable connection for disconnect switch enclosures in outdoor environments.

Where to buy SQUARE D B075 Bolt-On Hubs worldwide?

You can source SQUARE D B075 Bolt-On Hubs worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SQUARE D disconnect switch enclosure hub.

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 3/4 inch conduit size. Insert the hub through the knockout, align the bolt holes, and tighten the bolts securely. Apply a weatherproof sealant around the hub for outdoor NEMA 3R installations to maintain the enclosure's rain-tight 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Enclosed manual motor switch for hazardous locations, with 3 poles and a 20 A rating. Features a 0.75 in hub diameter and feed-through wiring. Not factory sealed. Used for local on/off control of motors in environments where flammable gases, vapors, or combustible dusts may be present
SQUARE D
Enclosed manual motor switch for hazardous locations, with 3 poles and a 20 A rating. Features a 0.75 in hub diameter and feed-through wiring. Not factory sealed. Used for local on/off control of motors in environments where flammable gases, vapors, or combustible dusts may be present
Non-fusible disconnect switch rated 30 A, three-phase, 600V AC. Housed in a 304 stainless steel enclosure with a sloped top and red handle. Includes neutral assembly. UL 98 listed for indoor/outdoor use. Suitable for isolating three-phase circuits in industrial environments requiring corrosion resistance and weather protection
HUBBELL
Non-fusible disconnect switch rated 30 A, three-phase, 600V AC. Housed in a 304 stainless steel enclosure with a sloped top and red handle. Includes neutral assembly. UL 98 listed for indoor/outdoor use. Suitable for isolating three-phase circuits in industrial environments requiring corrosion resistance and weather protection
This 3-pole enclosed manual motor switch is rated for 30 A and a maximum voltage of 230V DC. It features a NEMA 1 painted steel enclosure for surface mounting, suitable for indoor use where protection from dust and light impact is required. The switch provides local on/off control and disconnection of motors in industrial applications
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This 3-pole enclosed manual motor switch is rated for 30 A and a maximum voltage of 230V DC. It features a NEMA 1 painted steel enclosure for surface mounting, suitable for indoor use where protection from dust and light impact is required. The switch provides local on/off control and disconnection of motors in industrial applications
3-pole enclosed manual motor switch rated 30 A and 600V AC. Stainless steel NEMA 1 flush-mount enclosure for indoor use where corrosion resistance is required. No pilot light included
SQUARE D
3-pole enclosed manual motor switch rated 30 A and 600V AC. Stainless steel NEMA 1 flush-mount enclosure for indoor use where corrosion resistance is required. No pilot light included

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