B-Line CABLE SUPPORT FITTING, ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,815.06
B-Line CABLE SUPPORT FITTING, SERIES 2,3,4&5, 3" / 4" HEIGHT, 12" WIDTH, 48" RADIUS, ALUMINUM

B-Line CABLE SUPPORT FITTING, SERIES 2,3,4&5, 3" / 4" HEIGHT, 12" WIDTH, 48" RADIUS, ALUMINUM

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Model: 4A-12-CSF48
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,815.06
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CABLE SUPPORT FITTING, SERIES 2,3,4&5, 3" NEMA / 4" HEIGHT, 12" WIDTH, 48" RADIUS, ALUMINUM

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4A-12-CSF48 - spec sheet

Manufacturer Resources

Spec Sheet

Product Specs

Department:
Electrical

B-LINE 4A-12-CSF48 – Frequently Asked Questions

1) What is a B-Line 4A-12-CSF48 cable support fitting used for in a cable tray run?
The B-Line 4A-12-CSF48 is a cable support fitting for aluminum cable tray, sized for 12 inch wide tray with a 4 inch rail height and a 48 inch radius. It supports the cables where the tray changes direction on a wide-radius bend, so conductors keep a controlled bend rather than sagging over the tray rail.
2) Does the 48 inch radius on this cable support fitting matter for my cable bend radius?
Yes, that is the whole point of specifying it. The 4A-12-CSF48 carries a 48 inch radius, the largest of the common fitting radii, so it suits large-diameter power cable that needs a generous bend. If your cable manufacturer allows a tighter bend, a smaller radius fitting saves space in the ceiling.
3) Is this cable support fitting aluminum or steel, and does that matter for a corrosive or outdoor area?
Aluminum. That keeps it consistent with aluminum tray runs and avoids mixing metals at the support point, and aluminum is the usual choice where steel would corrode. For a galvanized or stainless tray system, order the fitting in the matching material instead.
4) What part number do I give my distributor for the B-Line 12 inch, 48 inch radius aluminum cable support fitting?
Order it as B-Line 4A-12-CSF48. That number encodes the 4 inch height, 12 inch width and 48 inch radius, so it identifies the fitting without further description.
5) Do I still need hangers and splice hardware if I use this cable support fitting?
Yes. A cable support fitting supports the cable through the radius, it does not replace the tray supports themselves. You still hang and splice the tray per the system requirements, and B-Line's strut and Redi-Rail support lines cover that side of the run.
How fast can I get the B-LINE 4A-12-CSF48 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 4A-12-CSF48 come with a warranty?
Absolutely. The B-LINE 4A-12-CSF48 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 4A-12-CSF48?
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 4A-12-CSF48 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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