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We've been moving these UK series terminal blocks for years now, and what people notice first is teh range—80 amps all the way up to 500, at 690 volts, which covers most industrial cabinet work. Input side handles from 35 to 120 square millimeters, and you get either 6 or 11 output holes depending on how many branch circuits you're feeding. The output cross sections vary: (6-35mm²)*2, (2.5-16mm²)*5, and (2.5-10mm²)*4, so it's pretty flexible for mixed loads. Copper galvanized conductors with that UL94-V0 flame-retardant plastic housing, and the whole thing is 49 by 50 by 96 millimeters—fits neatly on a DIN rail.
Most buyers are electricians or panel builders working on power distribution cabinets and industrial systems, and they like the transparent cover because you can check connections without pulling anything off. Rail-mounted instalation cuts wiring time significantly—basically snap it on and start terminating. One thing we see is that people running motor control centers or factory automation panels tend to order the 250A or 400A models most often, but the 80A and 125A are better for lighter branch circuits. It's not great for outdoor use without extra enclosure protection, just so you know—the plastic is flame-retardant but not UV-stable for direct sun exposure.
Actually, we carry stock on UK80A through UK250A usually, but the UK400A and UK500A might have a lead time of 20 days or so depending on the batch. Bulk pricing starts to drop around 50 units or more per model, and our company can customize the color if you're ordering a hundred or so—just specify the RAL code. We retain samples form every production lot for 24 months, by the way, in case you need traceability down the road.
Every batch goes through cross-section tolerance tests and insulation resistnce checks before shipment, and we do random sampling on the final packaging. The CE and RoHS certifications are standdard, but if you need a specific COA or SDS, just ask—we keep them on file. You'll get two or three output configuration options, but the 11-hole version is more popular for dense wiring setups, while the 6-hole works better for simpler feeds.
One detail that catches new buyers off guard: the output cross sections are paired—(2.5-16mm²)*5 means five pairs of terminals, each pair handling 2.5 to 16 square millimeters, so don't expect single large terminals for every hole. It's designed for splitting one incoming feed into multiple smaller branches, not for daisy-chaining heavy loads. We've had a few people try to use the 500A model for a single high-current device, but that's not what it's built for—it's a distribution block, not a pass-through.
Anyway, lead times on custom colors add about a week to the standard 2-4 week window, and we ship via freight or courier depending on volume. If you're ordering less than 20 units, we usually have stock ready, but confirm first because the UK500A moves slower and might need a production run.
That depends on the model and customization level, but typically we can start with 100 units for standard configurations. If you need a specific color or custom output setup, we might adjust that based on your volume.
Yes, we include CE and RoHS certificates with every order. You can also request a copy before shipping if your compliance team needs to review them.
The UK160A is available with either 6 or 11 output holes depending on your configuration choice. Just let us know which output setup you need when you place the order.
The UK500A has the same base dimensions as the rest of the UK series: 49×50×96mm. Yes, all models are designed for standard DIN rail mounting, so installation is straightforward.
Keep them in a dry, cool place away from direct sunlight to maintain the plastic's flame retardant properties. The transparent cover helps protect the terminals, but stacking them in their original packaging works best for long-term storage.
