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Phoenix Contact 1756298 MSTB 2.5/4-ST BK Connector

The PHOENIX CONTACT MSTB 2,5/ 4-ST BK is a versatile printed-circuit board connector ideal for a wide range of industrial applications. Its 5mm pitch and screw connection with tension sleeve provide a secure and reliable connection for various wiring scenarios. The connector is designed to handle a nominal current of 12A and a rated voltage of 320V, making it suitable for power distribution and signal transmission in control cabinets, automation systems, and other industrial equipment. The tin-plated contact surface enhances conductivity and corrosion resistance, ensuring long-term reliability. Its compact design and ease of use make it a preferred choice for engineers and technicians.

Authorized Distributors
Source:DigiKey
Part No:1756298
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.59
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Part No:1756298
Stock:0
Inv Date:05-29-2026
Price: Unit price: $3.59
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Part No:1756298
Stock:1
Inv Date:05-28-2026
Price: Unit price: $2.2
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Part No:1756298
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.4
Buy/RFQ:
Part No:1756298
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.4
Buy/RFQ:

Phoenix Contact 1756298 MSTB 2.5/4-ST BK Connector Specifications:

  • Pitch: 5 mm
  • Dimension a: 15 mm
  • Range of articles: MSTB 2,5/..-ST
  • Type of contact: Female connector
  • Number of positions: 4
  • Connection method: Screw connection with tension sleeve
  • Insulating material group: I
  • Rated surge voltage (III/3): 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
  • Screw thread: M3
  • Tightening torque, min: 0.5 Nm
  • Tightening torque max: 0.6 Nm
  • Conductor cross section solid min.: 0.2 mm²
  • Conductor cross section solid max.: 2.5 mm²
  • Conductor cross section flexible min.: 0.2 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.: 0.2 mm²
  • 2 conductors with same cross section, solid max.: 1 mm²
  • 2 conductors with same cross section, stranded min.: 0.2 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
  • China RoHS: Environmentally Friendly Use Period = 50
  • 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
  • ETIM 6.0: 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 1756298?

You can click on the BUY or RFQ button to purchase 1756298 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 1756298?

You can download the 1756298 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 1756298?

Phoenix Contact

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