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Phoenix Contact 1754481 PCB Connector 4 Position

The PHOENIX CONTACT MSTB 2,5/ 4-ST is a robust and versatile printed-circuit board connector ideal for a wide range of industrial applications. This connector offers a secure screw connection with a tension sleeve, ensuring reliable electrical contact. With a nominal current of 12A and a rated voltage of 320V, it's suitable for demanding environments. The connector's design allows for parallel plug-in direction to the conductor axis and individual position coding via inserting coding profiles, enhancing flexibility and organization in your projects. It is part of the MSTB 2,5/..-ST range and is designed for easy integration into various PCB layouts.

Authorized Distributors
Source:Newark
Part No:1754481
Stock:551
Inv Date:05-28-2026
Price: Unit price: $5.83
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Source:DigiKey
Part No:1754481
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.9491
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Part No:1754481
Stock:2829
Inv Date:05-29-2026
Price: Unit price: $3.59
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Part No:175448-1
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:1754481
Stock:0
Inv Date:05-28-2026
Price: Unit price: $7.42
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Part No:175448-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $143.39
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Part No:1754481
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.16
Buy/RFQ:
Part No:175448-1
Stock:0
Inv Date:05-28-2026
Price: Unit price: $143.39
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Part No:1754481
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.16
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Authorized Distributors
Part No:1754481
Stock:750
Inv Date:05-29-2026
Price: N/A
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Phoenix Contact 1754481 PCB Connector 4 Position Specifications:

  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 6.92 g
  • Custom tariff number: 85366990
  • Country of origin: United States
  • Width: 20 mm
  • Pitch: 5.00 mm
  • Dimension a: 15 mm
  • Range of articles: MSTB 2,5/..-ST
  • Insulating material group: I
  • Rated surge voltage (III/3): 4 kV
  • Rated surge voltage (III/2): 4 kV
  • Rated surge voltage (II/2): 4 kV
  • Rated voltage (III/3): 250 V
  • Rated voltage (III/2): 320 V
  • Rated voltage (II/2): 630 V
  • Connection in acc. with standard: EN-VDE
  • Nominal current IN: 12 A
  • Nominal cross section: 2.5 mm²
  • Maximum load current: 12 A (with a 2.5 mm² conductor cross section)
  • Insulating material: PA
  • Flammability rating according to UL 94: V0
  • Internal cylindrical gage: A3
  • Stripping length: 7 mm
  • Number of positions: 4
  • Screw thread: M3
  • Tightening torque, min: 0.5 Nm
  • Tightening torque max: 0.6 Nm
  • Conductor cross section solid min.: 0.14 mm²
  • Conductor cross section solid max.: 2.5 mm²
  • Conductor cross section flexible min.: 0.14 mm²
  • Conductor cross section flexible max.: 2.5 mm²
  • 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
  • Conductor cross section AWG min.: 24
  • Conductor cross section AWG max.: 12
  • 2 conductors with same cross section, solid min.: 0.14 mm²
  • 2 conductors with same cross section, solid max.: 1 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.: 0.25 mm²
  • 2 conductors with same cross section, stranded, ferrules without plastic sleeve max.: 1 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
  • Minimum AWG according to UL/CUL: 30
  • Maximum AWG according to UL/CUL: 12
  • eCl@ss 4.0: 272607xx
  • eCl@ss 4.1: 27260701
  • eCl@ss 5.0: 27260701
  • eCl@ss 5.1: 27260701
  • eCl@ss 6.0: 27260704
  • eCl@ss 7.0: 27440402
  • eCl@ss 8.0: 27440309
  • eCl@ss 9.0: 27440309
  • ETIM 3.0: EC001121
  • ETIM 4.0: EC002638
  • ETIM 5.0: EC002638
  • UNSPSC 6.01: 30211810
  • UNSPSC 7.0901: 39121409
  • UNSPSC 11: 39121409
  • UNSPSC 12.01: 39121409
  • UNSPSC 13.2: 39121409

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Frequently Asked Questions

Where can I buy Phoenix Contact 1754481?

You can click on the BUY or RFQ button to purchase 1754481 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 1754481?

You can download the 1754481 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 1754481?

Phoenix Contact

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