When you are outfitting a control panel or enclosure, the DIN rail components you choose determine how easily you can wire, mount, and maintain the system. The four options here cover very different jobs: two terminal-block lots, a smaller Weidmuller pack, and a set of aluminum mounting rails. Your first decision is whether you need the rail itself or the blocks that snap onto it.
Quick take
If you need a large batch of feed-through terminal blocks for a serious wiring job, the WAGO 280-833 set is the obvious choice when volume matters. If you want a small, open-box Weidmuller set for a few connection points, the WDK 10V pack of five is a neat option. If you are comfortable with used surplus and need many blocks in one lot, the WDU 4 lot is the workhorse choice. And if you simply need a mounting rail for relays, contactors, breakers, and similar components, the aluminum slotted 2-pack covers that task.
Listed price comparison
| Product | Listed price | Price bar |
|---|---|---|
| Lot of 53 Weidmuller WDU 4 DIN Rail Terminal Blocks Industrial Surplus | USD 45.00 | |
| Weidmuller 118674000 DIN Rail Terminal Blocks WDK 10V Pack of 5 | USD 28.49 | |
| 100pcs New WAGO 280-833 Terminal Blocks, 60947-7-1, 60412719 | USD 135.00 | |
| Aluminum DIN Rail Slotted 2 Pack for Mounting Electrical Control Components NEW | USD 10.30 |
The listed prices span USD 10.30 to USD 135.00. The rail pack is the lower-priced item, while the 100-piece WAGO set sits at the upper end.
Decision matrix
| Decision | Option | Why it fits |
|---|---|---|
| Need a large new terminal-block set | 100pcs New WAGO 280-833 | New condition, DIN rail compatible, IEC standard |
| Need a compact Weidmuller set | Weidmuller 118674000 WDK 10V | Pack of 5, feed-through termination |
| Need a big used lot at a moderate price | Lot of 53 Weidmuller WDU 4 | 53 blocks, 4 poles, 2 ports, screw-on feed-through |
| Need a rail for mounting components | Aluminum DIN Rail Slotted 2 Pack | Two aluminum rails, slotted profile |
Product notes
Lot of 53 Weidmuller WDU 4 DIN Rail Terminal Blocks Industrial Surplus
This used lot includes 53 Weidmuller WDU 4 DIN rail terminal blocks, so it is a strong fit when you need a large quantity of feed-through blocks for a control panel pull or industrial wiring job. Each block has four poles and two ports, and the screw-on connector style gives you a familiar termination method. The trade-off is the condition: these are used units sold as-is, so the blocks should be checked before they go into a live panel. At USD 45.00, the lot splits the difference between the small Weidmuller pack and the 100-piece WAGO batch in listed price while giving you 53 blocks.
Weidmuller 118674000 DIN Rail Terminal Blocks WDK 10V Pack of 5
This compact option is useful when your panel only needs a few feed-through points. The blocks are listed as New - Open box, so the packaging may have been opened, but the condition is new rather than used. They are beige, made in Germany, and each block has one pole and five pins, with feed-through termination. The small unit quantity is the limiting factor: five blocks will not cover a large control cabinet. At USD 28.49, this is the mid-priced option in the group, and it makes sense if you need a tidy, small Weidmuller set for a specific section of the panel.
100pcs New WAGO 280-833 Terminal Blocks 60947-7-1 60412719
This WAGO set is the largest new lot in the comparison. It meets IEC standard, and the WAGO order number is 60412719. With 100 pieces, this is the option to consider when you are wiring a full control cabinet or have multiple projects in the pipeline. The DIN rail compatible mounting type matches the intended use on control panel rails. The clear limitation is the listed price: USD 135.00 is the top of the range here. You are paying for a new, higher-count batch, so it makes sense when you actually need that many blocks rather than just a handful.
Aluminum DIN Rail Slotted 2 Pack for Mounting Electrical Control Components
The aluminum slotted rail 2-pack is the only product here that provides the rail itself instead of terminal blocks. Each rail is aluminum with a slotted profile, 35 mm diameter, and 1.2 mm thickness. This pack is designed for mounting modular electrical components such as relays, contactors, breakers, and other devices that snap or slide onto DIN rail. The limitation is that you still need to buy terminal blocks separately. At USD 10.30, it is the lowest listed price among the four items, which makes it an easy addition to a project that already has blocks selected.
Final recommendation by use case
- For a full new wiring run in a control panel: start with the WAGO 280-833 set when you need a large number of new blocks at once.
- For a small Weidmuller addition: pick the WDK 10V set if you just need a few extra feed-through points.
- For a large used-block supply: choose the WDU 4 lot if you are comfortable inspecting surplus parts and need many blocks in one purchase.
- For the mounting rail itself: grab the aluminum slotted 2-pack if your project already has blocks selected and just needs a rail to put them on.
