Phoenix Contact - 3044089 Data Sheet / Manual
Summary
This universal terminal block offers reliable connectivity via screw connections, accommodating conductors ranging from 0.14 mm² to 2.5 mm². Rated for a nominal voltage of 1000 V and 32 A, it is designed for robust electrical system integration. The manual provides comprehensive technical specifications, including detailed connection data for solid, flexible, and ferruled conductors, ensuring proper installation across various engineering projects. It is essential reading for electrical technicians, panel builders, and system designers who require certified, high-performance termination solutions.
Page 1 Text Content
3044089_en
Designation: UT 2,5 BU
Short description:
Long description: Universal terminal block with screw connection, cross section: 0.14 - 2.5 mm², AWG: 26 - 12, width: 5.2 mm, color: Blue
Technical data:
General: Conductor cross section, flexible max.: 2.5 mm² Number of levels: 1 Conductor cross section, rigid max.: 4 mm² Number of connections: 2 Conductor cross section AWG/kcmil max: 12 Color: blue Nominal current In: 32 A Insulating material: PA Nominal voltage Un: 1000 V Inflammability class acc. to UL 94: V0
Dimensions: Width: 5.2 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: 32 A Nominal voltage Un: 1000 V
Connection data: Conductor cross section, rigid min.: 0.14 mm² Conductor cross section, rigid max.: 4 mm² Conductor cross section flexible min.: 0.2 mm² Conductor cross section, flexible max.: 2.5 mm² Conductor cross section AWG/kcmil min.: 26 Conductor cross section AWG/kcmil max: 12 Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.25 mm² Conductor cross section flexible, with ferrule without plastic sleeve max.: 2.5 mm² Conductor cross section flexible, with ferrule with plastic sleeve min.: 0.25 mm² Conductor cross section flexible, with ferrule with plastic sleeve max.: 2.5 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 - 3044089 Data Sheet / Manual
Manual Details
| Brand | Phoenix |
|---|---|
| Pages | 2 |
| File Size | 21.02 KB |
| Published | June 16, 2026 |
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Frequently Asked Questions
What is the maximum conductor cross-section I can use?
The maximum rigid conductor cross-section is 4 mm², while for flexible conductors it is 2.5 mm².
What are the electrical limitations of this terminal block?
It has a nominal current (In) of 32 A and a nominal voltage (Un) rating up to 1000 V.
Does the unit support connections using ferrules?
Yes, it supports flexible conductors with ferrules, including types for single, twin, or combined cross-sections.