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Phoenix Contact MSTB253ST508BKAU Terminal Block Plug Connector

The PHOENIX CONTACT MSTB 2,5/ 3-ST-5,08 BK AU is a versatile plug connector specifically engineered for use with MSTB 2.5 terminal blocks. It offers a robust screw connection method, ensuring a secure and reliable electrical connection. With a nominal current of 12A and a rated voltage of 320V, this connector is suitable for a wide range of industrial applications, including power distribution, automation, and control systems. Its black color and gold-plated contact surface contribute to its durability and performance. The connector's design facilitates easy integration and maintenance within electrical systems, making it a valuable component for professionals.

Authorized Distributors
Part No:MSTB25/3-ST-508BKAU
Stock:0
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:MSTB-2-5/-3-ST-5-08-BK-AU
Stock:240
Inv Date:05-28-2026
Price: Unit price: $8.27
Buy/RFQ:
Part No:MSTB-2-5/-3-ST-5-08-BK-AU
Stock:240
Inv Date:05-28-2026
Price: Unit price: $8.27
Buy/RFQ:

Phoenix Contact MSTB253ST508BKAU Terminal Block Plug Connector Specifications:

  • Nominal current: 12 A
  • Rated voltage (III/2): 320 V
  • Number of positions: 3
  • Pitch: 5.08 mm
  • Connection method: Screw connection
  • Color: black
  • Contact surface: Gold
  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 5.41 g
  • Custom tariff number: 85366990
  • Country of origin: United States
  • Dimension a: 10.16 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
  • 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

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Frequently Asked Questions

Where can I buy Phoenix Contact MSTB253ST508BKAU?

You can click on the BUY or RFQ button to purchase MSTB253ST508BKAU from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part MSTB253ST508BKAU?

You can download the MSTB253ST508BKAU datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of MSTB253ST508BKAU?

Phoenix Contact

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