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Phoenix Contact 1786938 MSTB 2.5/12-STF Connector

The PHOENIX CONTACT MSTB 2,5/12-STF is a versatile and robust 12-position printed circuit board connector designed for a wide range of industrial applications. Featuring a screw connection with tension sleeve, it provides a secure and reliable connection for conductors. The connector's design allows for individual position coding and utilizes a standard plug-in system for 320V applications. Its low temperature rise and screwable flange contribute to superior mechanical stability and efficient heat dissipation. This connector is ideal for power distribution, automation, and control systems where reliable and long-lasting connections are essential.

Authorized Distributors
Source:DigiKey
Part No:1786938
Stock:79
Inv Date:05-28-2026
Price: Unit price: $13.5
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Part No:1786938
Stock:93
Inv Date:05-29-2026
Price: Unit price: $13.5
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Part No:1786938
Stock:43
Inv Date:05-28-2026
Price: Unit price: $13.36
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Part No:1786938
Stock:50
Inv Date:05-28-2026
Price: Unit price: $14.69
Buy/RFQ:
Part No:1786938
Stock:50
Inv Date:05-28-2026
Price: Unit price: $14.69
Buy/RFQ:

Phoenix Contact 1786938 MSTB 2.5/12-STF Connector Specifications:

  • Base Article No.: 1786938
  • Nominal Current: 12 A
  • Rated Voltage (III/2): 320 V
  • Number of Positions: 12
  • Pitch: 5 mm
  • Connection Method: Screw connection with tension sleeve
  • Color: Green
  • Contact Surface: Tin
  • Length: 18.2 mm
  • Width: 70.01 mm
  • Height: 15 mm
  • Dimension a: 55 mm
  • Range of Articles: MSTB 2,5/..-STF
  • Type of Contact: Female connector
  • 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
  • Insulating Material: PA
  • Flammability Rating (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 (min): 0.25 mm²
  • Conductor Cross Section Flexible with Ferrule (max): 2.5 mm²
  • Conductor Cross Section AWG (min): 24
  • Conductor Cross Section AWG (max): 12
  • 2 Conductors Solid (min): 0.2 mm²
  • 2 Conductors Solid (max): 1 mm²
  • 2 Conductors Stranded (min): 0.2 mm²
  • 2 Conductors Stranded (max): 1.5 mm²
  • 2 Conductors Stranded with Ferrule (min): 0.25 mm²
  • 2 Conductors Stranded with Ferrule (max): 1 mm²
  • 2 Conductors Stranded TWIN Ferrule (min): 0.5 mm²
  • 2 Conductors Stranded TWIN Ferrule (max): 1.5 mm²
  • Minimum AWG (UL/CUL): 30
  • Maximum AWG (UL/CUL): 12
  • Packing Unit: 1 STK
  • Custom Tariff Number: 85366990
  • Country of Origin: United States

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Frequently Asked Questions

Where can I buy Phoenix Contact 1786938?

You can click on the BUY or RFQ button to purchase 1786938 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 1786938?

You can download the 1786938 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 1786938?

Phoenix Contact

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