Phoenix Contact - 3206429_en Data Handbook / Instructions Manual
Summary
These professional feed-through terminal blocks provide robust and rapid connection solutions for industrial wiring applications. Engineered for high reliability, they facilitate secure connectivity for rigid and flexible conductors up to 2.5 mm² and 14 AWG, supporting voltages up to 800 V. This manual provides comprehensive guidance on installation steps, electrical specifications, and best practices for using this specialized component in control panel construction and industrial automation projects.
Page 1 Text Content
3206429_en
Designation: QTC 2,5 BU
Short description:
Long description: Feed-through terminal blocks with fast connection, cross section: 0.5 - 1.5 mm², width: 6.2 mm, color: blue
Technical data:
General: Conductor cross section, flexible max.: 2.5 mm² Number of levels: 1 Conductor cross section, rigid max.: 2.5 mm² Number of connections: 2 Conductor cross section AWG/kcmil max: 14 Color: blue Nominal current In: 24 A Insulating material: PA Nominal voltage Un: 800 V Inflammability class acc. to UL 94: V0
Dimensions: Width: 6.2 mm Length: 62.6 mm Height NS 35/7,5: 39.3 mm Height NS 35/15: 46.8 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: 24 A Nominal voltage Un: 800 V
Connection data: Conductor cross section, rigid min.: 0.5 mm² Conductor cross section, rigid max.: 2.5 mm² Conductor cross section flexible min.: 0.2 mm² Conductor cross section, flexible max.: 2.5 mm² Conductor cross section AWG/kcmil min.: 20 Conductor cross section AWG/kcmil max: 14 Type of connection: QUIX/fast connection Material wire insulation: PVC / PE
Order data: Manufacturer: Phoenix Contact Type: QTC 2,5 BU Order number: 32 06 42 9
Page Summary Contents For Phoenix Contact - 3206429_en Data Handbook / Instructions Manual
Manual Details
| Brand | Phoenix |
|---|---|
| Pages | 1 |
| File Size | 20.38 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What is the maximum conductor cross section for rigid conductors?
The maximum recommended cross section for rigid conductors is 2.5 mm².
Can I use this terminal block with flexible wires and what is the minimum size?
Yes, it supports flexible wires up to 2.5 mm², with a minimum of 0.2 mm².
What are the electrical ratings for this device?
It has a nominal voltage (Un) of 800 V and a nominal current (In) of 24 A.
Is this terminal block suitable for high surge conditions?
Yes, it features a rated surge voltage of 8 kV and falls under Surge voltage category III.