B-Line Eaton series Type 1 jun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$366.49
B-Line Eaton series Type 1 junction boxes, 12" height, 8" length, 12" width, 1, Screw cover, SC NK enclosure, Surface mounted, Small single door, No

B-Line Eaton series Type 1 junction boxes, 12" height, 8" length, 12" width, 1, Screw cover, SC NK enclosure, Surface mounted, Small single door, No

(No reviews yet) Write a Review

Model: 12128 SC NK
Selected Model is

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

$366.49
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like
Eaton B-Line series Type 1 junction boxes, 12" height, 8" length, 12" width, NEMA 1, Screw cover, SC NK enclosure, Surface mounted, Small single door, No knockout, Thru holes, Carbon steel

Manufacturer Resources

Product Specs

Certifications:
UL 50
Country Of Origin:
United States
Cover Type:
Screw
Finish Color:
Painted
Mounting Hole Details:
Thru holes
Mounting Method:
Surface
Nema Rating:
1
Product Height:
12 in
Product Length Depth:
8 in
Product Weight:
11.6 lb
Product Width:
12 in
Special Features:
Keyhole slots on cover, plated screws
Wall Thickness:
16 gauge
Department:
Electrical
Product Model:
SC NK enclosure
Product Color:
ANSI 61 Grey
Product Style:
Small single door
Product Material:
Carbon steel

B-LINE 12128 SC NK – Frequently Asked Questions

1) Can a NEMA 1 screw cover junction box like the B-Line 12128 SC NK be used outdoors or in a wash-down area?
No. The 12128 SC NK carries a NEMA Type 1 rating, which is indoor, general purpose enclosure protection against incidental contact and falling dirt only. It offers no protection against water, oil, or dust ingress, so keep it out of exterior walls, mechanical rooms with hose-down cleaning, and food processing areas. For those locations you need a NEMA 3R, 4, or 12 enclosure instead.
2) Does this Eaton B-Line junction box come with knockouts, or do I have to punch my own conduit openings?
It ships with no knockouts. The 12128 SC NK is the NK (no knockout) version, so every conduit entry gets punched in the field exactly where your runs land. Plan on a knockout punch set or hole saw sized to your conduit trade size. If you want factory openings, order a knockout version of the screw cover box instead.
3) What are the actual box dimensions of the B-Line 12128 SC NK junction box?
It measures 12 inches high, 12 inches wide, and 8 inches deep. The 8 inch depth is what matters most on a wiring pull, since it gives you room to make up conductors and still get the screw cover back on flat. Weight is 11.6 lb, so one person can hang it.
4) How does this screw cover box mount to a wall, and is mounting hardware included?
Surface mount, using thru holes in the back of the enclosure. You supply the anchors or fasteners to suit the substrate, whether that is toggle bolts in drywall, sleeve anchors in concrete, or screws into blocking. The cover itself also has keyhole slots, which lets you hang the cover on partly driven screws while you seat the rest.
5) What gauge steel is the B-Line 12128 SC NK, and will the finish hold up in a mechanical room?
The body is 16 gauge carbon steel with a painted finish in ANSI 61 grey, the standard grey used across industrial control enclosures so it blends with existing panels. Cover screws are plated. It is a dry indoor finish, not a corrosion package, so it suits electrical and mechanical rooms that stay dry rather than damp or chemically exposed.
6) Should I use a screw cover junction box or a hinged door enclosure?
A screw cover box like the 12128 SC NK is the right call where the box gets opened rarely, such as a pull point or splice box, because the cover is fully removable and gives you clear access from every side. Where a tech opens the box routinely for terminations, metering, or troubleshooting, a hinged door enclosure is easier to live with since the cover stays attached. Both are Type 1 indoor products; the difference is access frequency, not protection.
How fast can I get the B-LINE 12128 SC NK 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 12128 SC NK come with a warranty?
Absolutely. The B-LINE 12128 SC NK 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 12128 SC NK?
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 12128 SC NK 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.
!