Application
The UK screw-type DIN rail terminal block is designed for reliable conductor connection and potential distribution in low-voltage electrical systems.
It is widely used in control cabinets, switchgear assemblies, power distribution panels,and industrial automation equipment, providing secure and stable wiring for solid and stranded conductors.

Key Specifications
| Product Parameters | UK1.5 | UK2.5B | UK3N | UK5N | UK6N | UK10N | UK1ON-TWIN | UK16N(Low-profile) | UK16N(High-profile) | UK25N | UK35(High-profile) | UK35(Low-profile) | UK50 | UK95 | | Electrical Specifications | | Rated Insulation Voltage(V) | 500 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 1000 | 1000 | 1000 | 1000 | | Rated Current(A) | 17.5 | 32 | 32 | 41 | 57 | 76 | 76 | 101 | 101 | 101 | 150 | 150 | 150 | 232 | | Standard | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | IEC 60947-7-1 | | Conductor & Connection Specifications | | Solid Conductor Range(mm²) | 0.14 – 1.5 | 0.2-2.5 | 0.2-2.5 | 0.2-4 | 0.2-6 | 0.5-10 | 0.2-6 | 4-16 | 4-16 | 2.5-25 | 0.75-50 | 0.75-50 | 25-50 | 35-95 | | Stranded Conductor Range(mm²) | 0.14 – 1.5 | 0.2-4 | 0.2-4 | 0.2-6 | 0.2-10 | 0.5-16 | 0.2-10 | 2.5-25 | 2.5-25 | 2.5-35 | 0.75-35 | 0.75-35 | 16-50 | 25-95 | | Conductor Entry Direction | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | Side entry | | Stripping Length(mm) | 7 | 8 | 8 | 8 | 10 | 12 | 10 | 14 | 14 | 14 | 16 | 16 | 24 | 33 | | Material & Environmental Specifications | | Insulation Material | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | PA66 | | Insulation Material Group | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | Group I | | Pollution Degree | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | | Color | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | Customizable | | Outline and Mounting Dimensions | | Thickness(mm) | 4.2 | 6.2 | 5.2 | 6.2 | 8.2 | 10.2 | 10.2 | 12.2 | 12.2 | 14.2 | 15.2 | 15.2 | 20.2 | 25.2 | | Width(mm) | 42.5 | 42.5 | 42.5 | 42.5 | 42.5 | 42.5 | 58 | 42.5 | 42.5 | 42.5 | 56 | 56 | 72 | 83 | | Rail Height(Installed)(mm) | 42 | 42 | 47 | 47 | 47 | 47 | 59 | 47 | 52 | 47 | 62 | 51 | 76 | 90 | | Accessories | | EndCover | D-UK-1.5N | D-UK-2.5N | D-UK3N | D-UK4/10 | D-UK4/10 | D-UK4/10 | ATP-UK | D-UK4/10 | D-UK16G | D-UK4/10 | – | – | – | – | | End Clamp | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | E/UK | | FixedBridge | FBI10-4 | FBI10-6 | FBI10-5 | FBI10-6 | FBI10-8 | FBI10-10 | FBI10-10 | FBI10-12 | FBI10-12 | FBI10-14 | FBI12-15 / 13-15 | FBI12-15 / 13-15 | FBI12-20 / 13-20 | FB2-25 3-25 | | InsertionBridge | ISSB1 10-4/IS-K4 | EB2-6 /3-6 /10-6 | EB2-5 /3-5 /10-5 | EB2-6 /3-6 /10-6 | EB2-8 /3-8 /10-8 | EB2-10 /3-10 /10-10 | EB2-10 /3-10 /10-10 | EB2-12 /3-12/10-12 | EB2-12 /3-12/10-12 | EB2-14 /3-14/10-14 | EB2-15 /3-15/10-15 | EB2-15 /3-15/10-15 | EB2-15 /3-15/10-15 | E/AL-ns35/NS32 | | Marker Strip | ZB4 | ZB6 | ZB5 | ZB6 | ZB8 | ZB10 | ZB10 | ZB12 | ZB12 | ZB16 | ZB16 | ZB16 | ZB16 | ZB10 | | Marker Carrier Strip | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | B1 /B2/B3 | | PartitionPlate | TS-KK3 | TS-KK3 | TS-K | TS-K | TS-K | TS-K | TS-KK3 | TS-K | TS-K | TS-K | TS-K | TS-K | – | – | | – | | Order Number | 212314 | 212315 | 212316 | 212317 | 212318 | 212319 | – | – | – | – | – | – | 212322 | 212323 |
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Installation and Operation
- Mount the terminal block onto the standard TH35 DIN rail.
- Use an appropriate tool to actuate the spring mechanism.
- Insert the conductor fully into the clamping point.
- Release the spring to secure the conductor.
- Ensure all conductors are properly connected before energizing.
Installation Notes
- Ensure conductors comply with the specified conductor ranges.
- Use appropriate tools to operate the spring mechanism.
- Installation and maintenance must be carried out with power disconnected.