SQUARE D Bolt-On Hubs: For Conduit Size 1-1/4 in
SKU 3G-OTH-26371
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Frequently Asked Questions
What is the SQUARE D B125 bolt-on hub used for?
The SQUARE D B125 bolt-on hub is used to connect conduit to a NEMA 3R disconnect switch enclosure, providing a weatherproof seal for outdoor electrical installations. It is commonly applied in industrial and commercial settings where reliable conduit entry and rain-tight protection are required.
What are the specifications of the SQUARE D B125 bolt-on hub?
The SQUARE D B125 is a bolt-on hub designed for conduit size 1-1/4 inches. It carries a NEMA 3R enclosure rating, making it suitable for outdoor use where protection against rain and sleet is needed. The manufacturer part number is B125, and it is produced by SQUARE D.
Where to buy the SQUARE D B125 bolt-on hub worldwide?
You can source the SQUARE D B125 bolt-on hub through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SQUARE D components for your project needs.
How to install a SQUARE D B125 bolt-on hub?
To install the SQUARE D B125 bolt-on hub, first ensure the enclosure knockout matches the 1-1/4 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 the conduit connection to maintain the NEMA 3R rating.
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Common applications for SQUARE DSQUARE 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.













