PHOENIX CONTACT - 3044115_en Designation: UT 4 BU Short Description: Universal Terminal Block Long Description: A versatile and adaptable terminal block for various electrical connections. Owner's Manual, User Guide
Summary
This versatile blue terminal block serves as a reliable, solderless connection solution engineered for electrical circuits up to 1000V and 41A. Ideal for automation and control systems, it accommodates a wide range of flexible and rigid conductors (AWG 26-10). This technical manual details comprehensive specifications, including dimensions, precise wire size compatibility, standardized material ratings, and connection guidelines, making it an essential resource for electricians and engineers ensuring accurate and safe circuit assembly.
Page 1 Text Content
3044115_en
Designation: UT 4 BU
Short description:
Long description: Universal terminal block with screw connection, cross section: 0.14 - 4 mm², AWG: 26 - 10, width: 6.2 mm, color: Blue
Technical data:
General: Conductor cross section, flexible max.: 4 mm² Number of levels: 1 Conductor cross section, rigid max.: 6 mm² Number of connections: 2 Conductor cross section AWG/kcmil max: 10 Color: blue Nominal current In: 41 A Insulating material: PA Nominal voltage Un: 1000 V Inflammability class acc. to UL 94: V0
Dimensions: Width: 6.2 mm Length: 46.9 mm Height NS 35/7,5: 47.5 mm Height NS 35/15: 55 mm
Technical data: Rated surge voltage: 8 k V Contamination class: 3 Surge voltage category: III Insulating material group: I Connection in acc. with standard: IEC/ DIN VDE Nominal current In: 41 A Nominal voltage Un: 1000 V
Connection data: Conductor cross section, rigid min.: 0.14 mm² Conductor cross section, rigid max.: 6 mm² Conductor cross section flexible min.: 0.5 mm² Conductor cross section, flexible max.: 4 mm² Conductor cross section AWG/kcmil min.: 26 Conductor cross section AWG/kcmil max: 10 Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.25 mm² Conductor cross section flexible, with ferrule without plastic sleeve max.: 4 mm² Conductor cross section flexible, with ferrule with plastic sleeve min.: 0.25 mm² Conductor cross section flexible, with ferrule with plastic sleeve max.: 4 mm² 2 conductors with same cross section, solid min.: 0.14 mm² 2 conductors with same cross section, solid max.: 1.5 mm² 2 conductors with same cross section, flexible, min.: 0.14 mm² 2 conductors with same cross section, flexible max.: 1.5 mm²
Page Summary Contents For PHOENIX CONTACT - 3044115_en Designation: UT 4 BU Short Description: Universal Terminal Block Long Description: A versatile and adaptable terminal block for various electrical connections. Owner's Manual, User Guide
Manual Details
| Brand | Phoenix |
|---|---|
| Pages | 2 |
| File Size | 21.02 KB |
| Published | May 31, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What are the recommended acceptable cross sections for rigid conductors?
The conductor cross section, rigid, must be between 0.14 mm² and 6 mm².
Can I use flexible conductors with this terminal block?
Yes, the flexible conductor cross section accepted range is 0.5 mm² to 4 mm².
What are the electrical ratings of the UT 4 BU block?
It has a nominal current (In) of 41 A and a nominal voltage (Un) of 1000 V, with an 8 kV rated surge voltage.
How many connections can this terminal accommodate?
The unit is designed for two conductors/connections.
What color is the UT 4 BU universal terminal block?
It is blue.