B-Line B281MSQZN Eaton series ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$515.00
B-Line B281MSQZN Eaton series strut fittings and accessories, 3.5" Height, 6" Length, 6" Width, 4.70lbs, Steel, Square post base, centered, Post base for B22-2PL, Electro-plated

B-Line B281MSQZN Eaton series strut fittings and accessories, 3.5" Height, 6" Length, 6" Width, 4.70lbs, Steel, Square post base, centered, Post base for B22-2PL, Electro-plated

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Model: B281MSQZN
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$515.00
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Eaton B-Line series strut fittings and accessories, 3.5" Height, 6" Length, 6" Width, 4.70lbs, Steel, Square post base, centered, Post base for B22-2PL, Electro-plated

Manufacturer Resources

Product Specs

Certifications:
Not Applicable
For Channel Type:
Post base for B22-2PL
Product Height:
3.5 in
Product Length Depth:
6 in
Product Weight:
4.7 lb
Product Width:
6 in
Department:
Electrical
Product Type:
Square post base, centered
Product Finish:
Electro-plated
Product Details:
Square post base, centered
Product Material:
Steel
Product Length:
6 in

B-LINE B281MSQZN – Frequently Asked Questions

1) What strut channel does the B-Line B281MSQZN post base fit?
The B281MSQZN is a square post base made for B22-2PL channel, which is Eaton B-Line's back-to-back double channel post. The channel sits centered on the base plate, so the post rises from the middle of the 6 x 6 inch footprint rather than off to one edge.
2) Is the B281MSQZN post base suitable for outdoor or wet locations?
It is steel with an electro-plated finish. That plating is a standard indoor/dry-location coating for strut fittings. For rooftop, exterior, or washdown duty, spec a hot dip galvanized or stainless post base instead, since electro-plate will not hold up to standing water or salt exposure.
3) Can I use this post base for a B22 single channel run?
No. This base is cut for B22-2PL, the back-to-back double channel profile, and a single-channel B22 post will not seat correctly in it. Use the post base matched to single channel width for that application.
4) How much floor space does a B281MSQZN strut post base take up?
Footprint is 6 inches by 6 inches, and the base stands 3.5 inches tall. Plan your anchor layout and any housekeeping pad or curb around that 6 inch square. It weighs 4.7 lbs, so it is a one-hand set for a single installer.
5) Does a centered post base matter versus an offset one?
It does when you are laying out anchors. Centered means the strut post lands in the middle of the base, so loads run straight down the anchor pattern and the plate projects evenly on all four sides of the 6 inch square. An offset base is what you use when the post has to sit tight to a wall or curb and you cannot get a full plate behind it.
6) Are anchors included with the B-Line B281MSQZN post base?
The B281MSQZN ships as the steel base itself. Concrete anchors, bolts, and any hardware attaching the B22-2PL post to the base are ordered separately and sized to your slab and pullout requirement.
How fast can I get the B-LINE B281MSQZN delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the B-LINE B281MSQZN come with a warranty?
Absolutely. The B-LINE B281MSQZN is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the B-LINE B281MSQZN?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the B-LINE B281MSQZN from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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