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Manufacturer Resources
Product Specs
- Beam Thickness:
- .313 in
- Certifications:
- cULus Listed
- Load Capacity:
- 1400 lb
- Product Height:
- 3.5625 in
- Product Length Depth:
- 3.25 in
- Product Weight:
- 1.86 lb
- Product Width:
- .625 in
- Set Screw Size:
- 1/2”-13
- Special Features:
- Safety factor of 5, setscrew included
- Thread Rod Size:
- 1/2"-13
- Department:
- Electrical
- Product Group:
- Clamps & Supports
- Product Subgroup:
- Clamps
- Product Type:
- Beam clamp
- Product Details:
- Beam clamp
- Product Material:
- Steel
- Product Length:
- 3.25 in
B-LINE B321-2ZN – Frequently Asked Questions
1) Will the B321-2ZN beam clamp fit the flange on my steel beam?
The clamp is sized for beam flanges up to 1-11/16 inches thick, so it covers most wide flange and I-beam bottom flanges in commercial framing. The jaw opening depth listed is .313 in. Measure the flange at the point you intend to clamp, tapered flanges get thicker toward the web.
2) Is the Eaton B-Line B321-2ZN beam clamp UL listed for electrical support?
It is cULus Listed, which covers both US and Canadian requirements, so it will satisfy an inspector on conduit, cable tray, and raceway support work on either side of the border.
3) Does the B321-2ZN come with the setscrew, or do I have to order it separately?
The setscrew is included, 1/2 inch-13. What you supply is the threaded rod, plus whatever nuts and hanger hardware the run below it calls for.
4) Is an electro-plated zinc beam clamp OK for outdoor or damp locations?
Electro-plated zinc on steel is a dry indoor finish. It is the right pick for interior structural steel, mechanical rooms, and covered parking. For exterior runs, wash-down areas, or corrosive environments, look for a hot dip galvanized or stainless beam clamp instead.
5) Can I use this beam clamp for hanging pipe or sprinkler lines, or is it electrical only?
Mechanically it is a steel beam clamp taking 1/2 inch-13 rod at a 1400 lb rating, so it will hang any load within that limit off a beam flange. The listed certification is cULus, which is the electrical raceway and tray listing. Sprinkler work is typically specified with FM approved or UL fire protection listed hangers, so match the clamp to whatever your fire protection spec names.
6) What are the physical dimensions of the B-Line B321-2ZN beam clamp?
The clamp measures 3.5625 in height, 3.25 in length/depth, and .625 in width, and weighs 1.86 lb each. Worth checking the height if you are working with tight clearance between the beam flange and a ceiling grid or duct below.
7) What is the exact part number to order this Eaton B-Line beam clamp?
Order it as B321-2ZN, the Eaton B-Line series beam clamp in electro-plated zinc. The 2 designates the 1/2 inch-13 rod and setscrew size, ZN the zinc plating.
How fast can I get the B-LINE B321-2ZN delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 B321-2ZN come with a warranty?
Absolutely. The B-LINE B321-2ZN 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 B321-2ZN?
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