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Phoenix Contact 3044526 Feed-through Terminal Block

The PHOENIX CONTACT UT 2,5-TWIN BU is a feed-through terminal block designed for versatile applications, particularly in the railway industry, machine building, plant engineering, and process industries. Its consistent double function shaft allows for efficient potential distribution and easy integration of test accessories. The terminal block is characterized by its robust construction, high nominal voltage (500V) and current (24A) ratings, and compliance with various international standards. It features a flame-retardant insulating material (PA, V0 rating) and is designed for reliable performance in demanding environments. The terminal block's open side panel design and comprehensive approvals ensure its suitability for a wide range of industrial applications.

Authorized Distributors
Source:DigiKey
Part No:3044526
Stock:27
Inv Date:05-28-2026
Price: Unit price: $1.84
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Part No:3044526
Stock:381
Inv Date:05-29-2026
Price: Unit price: $2.42
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Part No:3044526
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.05
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Phoenix Contact 3044526 Feed-through Terminal Block Specifications:

  • Number of levels: 1
  • Number of connections: 3
  • Potentials: 1
  • Nominal cross section: 2.5 mm²
  • Color: blue
  • Insulating material: PA
  • Flammability rating according to UL 94: V0
  • Area of application: Railway industry, Machine building, Plant engineering, Process industry
  • Rated surge voltage: 6 kV
  • Degree of pollution: 3
  • Overvoltage category: III
  • Insulating material group: I
  • Maximum power dissipation for nominal condition: 0.77 W
  • Maximum load current: 30 A
  • Nominal current IN: 24 A
  • Nominal voltage UN: 500 V
  • Open side panel: Yes
  • Relative insulation material temperature index (Elec., UL 746 B): 130 °C
  • Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)): 130 °C
  • Static insulating material application in cold: -60 °C
  • Behavior in fire for rail vehicles (DIN 5510-2): Test passed
  • Flame test method (DIN EN 60695-11-10): V0
  • Oxygen index (DIN EN ISO 4589-2): >32 %
  • NF F16-101, NF F10-102 Class I: 2
  • NF F16-101, NF F10-102 Class F: 2
  • Surface flammability NFPA 130 (ASTM E 162): passed
  • Specific optical density of smoke NFPA 130 (ASTM E 662): passed
  • Smoke gas toxicity NFPA 130 (SMP 800C): passed
  • Calorimetric heat release NFPA 130 (ASTM E 1354): 28 MJ/kg
  • Fire protection for rail vehicles (DIN EN 45545-2) R22: HL 1 - HL 3
  • Fire protection for rail vehicles (DIN EN 45545-2) R23: HL 1 - HL 3
  • Fire protection for rail vehicles (DIN EN 45545-2) R24: HL 1 - HL 3
  • Fire protection for rail vehicles (DIN EN 45545-2) R26: HL 1 - HL 3
  • Width: 5.2 mm
  • End cover width: 2.2 mm
  • Length: 57.8 mm
  • Height: 46.9 mm
  • Height NS 35/7,5: 47.5 mm
  • Height NS 35/15: 55 mm
  • Connection method: Screw connection
  • Connection in acc. with standard: IEC/EN 60079-7
  • Conductor cross section solid min.: 0.14 mm²
  • Conductor cross section solid max.: 4 mm²
  • Conductor cross section AWG min.: 26
  • Conductor cross section AWG max.: 12
  • Conductor cross section flexible min.: 0.14 mm²
  • Conductor cross section flexible max.: 4 mm²
  • Min. AWG conductor cross section, flexible: 26
  • Max. AWG conductor cross section, flexible: 12
  • Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.14 mm²
  • Conductor cross section flexible, with ferrule without plastic sleeve max.: 2.5 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve min.: 0.14 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, stranded min.: 0.14 mm²
  • 2 conductors with same cross section, stranded max.: 1.5 mm²
  • 2 conductors with same cross section, stranded, TWIN ferrules with plastic sleeve, min.: 0.5 mm²
  • 2 conductors with same cross section, stranded, TWIN ferrules with plastic sleeve, max.: 1 mm²
  • 2 conductors with same cross section, stranded, ferrules without plastic sleeve, min.: 0.14 mm²
  • 2 conductors with same cross section, stranded, ferrules without plastic sleeve, max.: 1.5 mm²
  • Internal cylindrical gage: A3
  • Screw thread: M3
  • Tightening torque, min: 0.5 Nm
  • Tightening torque max: 0.6 Nm
  • Stripping length: 9 mm

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Frequently Asked Questions

Where can I buy Phoenix Contact 3044526?

You can click on the BUY or RFQ button to purchase 3044526 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 3044526?

You can download the 3044526 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 3044526?

Phoenix Contact

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