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Manufacturer Resources
Product Specs
- Certifications:
- UL Listed
- Degree Of Protection:
- NEMA 4
- Finish Color:
- Black
- Mounting Method:
- Ground
- Product Category:
- Locks, latches, inserts, & handles locks, latches & inserts
- Product Height:
- .75 in
- Product Length Depth:
- .75 in
- Product Weight:
- .408 lb
- Product Width:
- .625 in
- Special Features:
- 30" X 30" panel
- Department:
- Electrical
- Product Group:
- Enclosures & Boxes
- Product Subgroup:
- Locks & Handles
- Product Type:
- Type 4 quarter-turn enclosure locks & latches for JIC & ground mount
- Product Details:
- Type 4 quarter-turn enclosure locks & latches for JIC & ground mount
B-LINE T4KLWNB – Frequently Asked Questions
1) Will the B-Line T4KLWNB wing knob keep a NEMA 4 enclosure watertight?
Yes. The T4KLWNB quarter-turn lock is rated NEMA 4, so it is built to maintain the watertight seal on a Type 4 JIC or ground mount enclosure door. It is also UL Listed. Swapping in a lower-rated quarter-turn latch on a Type 4 box is the usual way that rating gets lost.
2) Is the T4KLWNB a key locking latch or just a hand-operated knob?
Both. It is a small key locking wing knob, so you turn it by hand for normal access and lock the knob with a key when the panel needs to stay closed. That suits a control panel a maintenance tech opens daily but that has to stay secured to unqualified personnel between visits.
3) What size panel does this B-Line ground mount quarter-turn lock suit?
It is specified for a 30 inch by 30 inch panel and mounts on ground mount style enclosures. On larger doors, a single quarter-turn point often is not enough clamping to hold a gasket seal evenly, so check the door size against that 30 x 30 figure before ordering.
4) Is this the right latch for a JIC style electrical enclosure?
Yes. The T4KLWNB is a Type 4 quarter-turn lock intended for JIC and ground mount enclosures, and it is catalogued as an electrical department item for enclosure doors rather than as builders door hardware. It is a lock and insert, not a full handle assembly.
5) What are the dimensions and weight of the T4KLWNB lock insert?
The lock measures .75 x .75 x .625 inches and weighs .408 lb. Those are the body figures for planning a cutout and for freight on a multi-panel order; the cutout itself follows the enclosure door prep.
6) Will this lock match the black hardware on my other B-Line panels?
The finish is black, so it lines up with black-trim enclosure hardware rather than a bright chrome or stainless knob. Only the one model, T4KLWNB, is offered, so there is no alternate finish choice on this wing knob.
How fast can I get the B-LINE T4KLWNB 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 T4KLWNB come with a warranty?
Absolutely. The B-LINE T4KLWNB 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 T4KLWNB?
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 T4KLWNB 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.