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Phoenix Contact 1758377 PCB Connector

The PHOENIX CONTACT MSTB 2,5/ 4-ST-5,08 BD:1-4 is a robust and reliable printed-circuit board connector designed for a wide range of industrial applications. This connector offers a 5.08mm pitch and utilizes a screw connection with a tension sleeve to ensure secure and lasting connections. It is rated for a nominal current of 12A and a voltage of 320V, making it suitable for demanding power distribution needs. The connector's green color and tin-plated contact surface enhance its durability and performance. It is commonly used in control cabinets, automation systems, and other industrial environments where reliable electrical connections are critical. Its compact design and ease of use make it a preferred choice for engineers and technicians.

Authorized Distributors
Source:DigiKey
Part No:1758377
Stock:7119
Inv Date:05-28-2026
Price: Unit price: $3.94
Buy/RFQ:
Part No:1758377
Stock:1860
Inv Date:05-29-2026
Price: Unit price: $3.94
Buy/RFQ:
Part No:1758377
Stock:195
Inv Date:05-28-2026
Price: Unit price: $8.06
Buy/RFQ:
Part No:1758377
Stock:963
Inv Date:05-28-2026
Price: Unit price: $6.97
Buy/RFQ:
Part No:1758377
Stock:963
Inv Date:05-28-2026
Price: Unit price: $6.97
Buy/RFQ:

Phoenix Contact 1758377 PCB Connector Specifications:

  • Nominal current: 12 A
  • Rated voltage (III/2): 320 V
  • Number of positions: 4
  • Pitch: 5.08 mm
  • Connection method: Screw connection with tension sleeve
  • Color: green
  • Contact surface: Tin
  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 7.07 g
  • Custom tariff number: 85366990
  • Country of origin: United States
  • Dimension a: 15.24 mm
  • 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 (II/2): 630 V
  • Connection in acc. with standard: EN-VDE
  • 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
  • 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
  • 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
  • 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 1758377?

You can click on the BUY or RFQ button to purchase 1758377 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 1758377?

You can download the 1758377 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 1758377?

Phoenix Contact

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