Leading Terminal Block Manufacturer & Supplier
Source VIOX DIN rail, barrier and plastic terminal block families for organized conductor termination, control wiring and power distribution assemblies.
DIN rail terminalsMRK, UK, SAK/JXB, ST and PT families
Barrier terminalsCM1, TK, TB, TC, TD and IN series
Plastic strips8T, H, LT and U formats
Complete systemMarkers, jumpers, end stops and rail accessories
What is a terminal block?
A terminal block provides an organized, serviceable connection point between conductors in an electrical panel, enclosure or equipment assembly. Designs vary by connection method, mounting system, conductor capacity and circuit function.
The exact terminal must be matched to conductor type and size, electrical ratings, insulation requirements, pitch, number of poles or levels, mounting method, accessories and the applicable installation standard.
VIOX Terminal Block Product Range
Browse the same three terminal block families presented on the original VIOX page, now organized in the new site system.
DIN Rail Terminal Blocks
Industrial connection families for structured DIN rail panel wiring.
MRK Terminal Block
DIN rail terminal blockReview model data
UK Terminal Block
DIN rail terminal blockReview model data
SJ Terminal Block
DIN rail terminal blockReview model data
SAK/JXB Terminal Block
DIN rail terminal blockReview model data
ST Terminal Block
DIN rail terminal blockReview model data
PT Terminal Block
DIN rail terminal blockReview model data
TBD Terminal Block
DIN rail terminal blockReview model dataBarrier Terminal Blocks
Barrier-style connection products for higher-current and fixed-panel termination.
CM1 Terminal Strip
Barrier terminal blockReview model data
TK Terminal Block
Barrier terminal blockReview model data
TB Terminal Block
Barrier terminal blockReview model data
TC Terminal Block
Barrier terminal blockReview model data
TD Terminal Block
Barrier terminal blockReview model data
IN Terminal Block
Barrier terminal blockReview model dataPlastic Terminal Blocks
Versatile multi-pole terminal strips for general electrical connection tasks.
How to choose a terminal block
Start with conductor and circuit data, then confirm connection technology and panel integration.
Conductor type and size
Confirm solid, stranded or ferruled conductors and the published connection range.
Electrical ratings
Verify rated current, voltage, impulse and insulation data for the intended circuit.
Connection and circuit function
Select feed-through, distribution, grounding, disconnect or another required function.
Mounting and accessories
Check rail or panel mounting, pitch, markers, covers, jumpers and end stops.
Specify the complete terminal system
Terminal blocks, conductors, accessories and mounting hardware must be coordinated as one panel assembly.
Compare published Terminal Block series
Blank cells mean the value is not available in the current product summary. Open the model page or request its datasheet before specification.
| Series | Connection | Conductor range | Rated current | Pitch / poles |
|---|---|---|---|---|
| MRK Terminal Block | — | — | — | — |
| UK Terminal Block | — | — | — | — |
| SJ Terminal Block | — | — | — | — |
| SAK/JXB Terminal Block | — | — | — | — |
| ST Terminal Block | — | — | — | — |
| PT Terminal Block | — | — | — | — |
| TBD Terminal Block | — | — | — | — |
| CM1 Terminal Strip | — | — | — | — |
| TK Terminal Block | — | — | — | — |
| TB Terminal Block | — | — | — | — |
| TC Terminal Block | — | — | — | — |
| TD Terminal Block | — | — | — | — |
| IN Terminal Block | — | — | — | — |
| 8T Terminal Block | — | — | — | — |
| H Type Terminal Block (12 Pole) | — | — | — | — |
| LT type Terminal Block | — | — | — | — |
| U Type Terminal Block | — | — | — | — |
Terminal Block Applications
Typical environments where the exact product characteristics must be verified.
Terminal Block Knowledge & Selection Guides
All articles
Selection & SizingTerminal Block Selection Guide: Types, Ratings, Wire Size, Materials, and Applications
Terminal Block Selection Questions
Quick answers for preliminary product-family comparison before detailed circuit verification.
How is terminal block size selected?
Match the actual conductor construction and cross-section to the published connection range, then verify circuit current, voltage and insulation requirements.
What is the difference between screw, spring and push-in terminals?
They use different conductor-retention methods and installation procedures. Compare conductor compatibility, maintenance, vibration, wiring speed and product data.
Can terminal blocks be bridged together?
Only use jumpers or bridges approved for the selected terminal series and verify the resulting current distribution.
Which accessories are normally required?
The assembly may require end stops, end plates, markers, covers, separators, jumpers or test accessories depending on the series and panel design.
Why do terminal connections overheat?
Common causes include incorrect conductor preparation, loose or unsuitable connections, overload, contamination and poor installation. Follow the product instructions and inspect the complete circuit.
Need the Right Terminal Block?
Let’s Build the Connection System.
Send the conductor type and size, circuit ratings, connection method, mounting, accessories, quantity and target market. VIOX will help identify the relevant published series.
Request Terminal Block Support