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Phoenix Contact 3046663 Terminal Block, UTTB 2.5-DIO/U-O

The PHOENIX CONTACT UTTB 2,5-DIO/U-O terminal block is a versatile solution for connecting wires in industrial applications. It incorporates an integrated diode and utilizes a screw connection for reliable and secure terminations. Designed with a compact width of 5.2 mm, it optimizes space utilization on DIN rails. This terminal block is ideal for applications requiring robust and dependable connections in electrical systems, offering a combination of functionality and ease of use. It is suitable for a wide range of industrial automation, control, and power distribution systems.

Authorized Distributors
Source:DigiKey
Part No:3046663
Stock:103
Inv Date:05-28-2026
Price: Unit price: $5.5
Buy/RFQ:
Part No:3046663
Stock:10
Inv Date:05-29-2026
Price: Unit price: $7.21
Buy/RFQ:
Part No:3046663
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.09
Buy/RFQ:

Phoenix Contact 3046663 Terminal Block, UTTB 2.5-DIO/U-O Specifications:

  • Packing unit: 1 STK
  • GTIN: 4017918997199
  • Weight per Piece (excluding packing): 16.700 g
  • Custom tariff number: 85369010
  • Country of origin: Poland
  • Number of levels: 2
  • Number of connections: 4
  • Nominal cross section: 2.5 mm²
  • Color: gray
  • Insulating material: PA
  • Flammability rating according to UL 94: V0
  • Rated surge voltage: 6 kV
  • Degree of pollution: 3
  • Overvoltage category: III
  • Insulating material group: I
  • Nominal current IN: 24 A
  • Maximum load current: 28 A (with 4 mm² conductor cross section)
  • 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)): 125 °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): 27,5 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
  • Length: 69.9 mm
  • Height NS 35/7,5: 65 mm
  • Height NS 35/15: 72.5 mm
  • Conductor cross section solid min.: 0.14 mm²
  • Conductor cross section solid max.: 4 mm²
  • Conductor cross section flexible min.: 0.14 mm²
  • Conductor cross section flexible max.: 4 mm²
  • Conductor cross section AWG min.: 26
  • Conductor cross section AWG max.: 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, ferrules without plastic sleeve min.: 0.14 mm²
  • 2 conductors with same cross section, stranded, ferrules without plastic sleeve 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.: 1.5 mm²
  • Connection method: Screw connection
  • Stripping length: 9 mm
  • Internal cylindrical gage: A3
  • Screw thread: M3
  • Tightening torque, min: 0.5 Nm
  • Tightening torque max: 0.6 Nm
  • Connection in acc. with standard: CSA
  • China RoHS: Environmentally Friendly Use Period = 50

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Frequently Asked Questions

Where can I buy Phoenix Contact 3046663?

You can click on the BUY or RFQ button to purchase 3046663 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 3046663?

You can download the 3046663 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 3046663?

Phoenix Contact

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