SQUARE D Bolt-On Hubs: For Conduit Size 2-1/2 in
SKU 3G-OTH-26463
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Frequently Asked Questions
What is a SQUARE D B250 bolt-on hub used for?
The SQUARE D B250 bolt-on hub is used to connect conduit to a NEMA 3R disconnect switch enclosure, providing a weathertight seal for outdoor electrical installations. It is designed for 2-1/2 in conduit and ensures reliable cable entry while maintaining the enclosure's environmental rating.
What are the specifications of the SQUARE D B250 bolt-on hub?
The SQUARE D B250 is a bolt-on hub for conduit size 2-1/2 in, with a NEMA 3R enclosure rating suitable for outdoor use. It is manufactured by SQUARE D under part number B250. This hub is designed for disconnect switch enclosures, ensuring secure conduit attachment and weather protection.
Where to buy SQUARE D B250 bolt-on hubs worldwide?
You can source SQUARE D B250 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; we supply genuine SQUARE D components for disconnect switch enclosures.
How to install a SQUARE D B250 bolt-on hub?
To install the SQUARE D B250 bolt-on hub, first ensure the enclosure knockout matches the 2-1/2 in conduit size. Insert the hub through the knockout from outside, then secure it with the provided bolts and gasket to maintain the NEMA 3R seal. Tighten to manufacturer torque specs and attach conduit per standard electrical practice.
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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.













