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Phoenix Contact MSTB253ST508BK 3-Position PCB Connector

The Phoenix Contact MSTB 2,5/ 3-ST-5,08 BK is a robust and reliable 3-position PCB connector designed for secure and efficient electrical connections. Featuring a screw connection with tension sleeve, it ensures a tight and dependable connection, minimizing the risk of loose connections and ensuring optimal performance. 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 compact design and easy-to-use screw terminals make it a versatile choice for both prototyping and production environments. The connector's robust construction and high-quality materials ensure long-term reliability and durability, even in demanding environments.

Authorized Distributors
Part No:MSTB25/3-ST-508BK
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:MSTB-2-5/-3-ST-5-08-BK
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.74
Buy/RFQ:
Part No:MSTB-2-5/-3-ST-5-08-BK
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.74
Buy/RFQ:
Source:Arrow EU
Part No:MSTB 2.5/ 3-ST-5.08 BK
Stock:3
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Phoenix Contact MSTB253ST508BK 3-Position PCB Connector Specifications:

  • Base Article No.: 27440309
  • Packing Unit: 1 pc
  • Weight per Piece (excluding packing): 5.39 g
  • Custom tariff number: 85366990
  • Country of origin: United States
  • Pitch: 5.08 mm
  • Dimension a: 10.16 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: 3
  • 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 MSTB253ST508BK?

You can click on the BUY or RFQ button to purchase MSTB253ST508BK from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part MSTB253ST508BK?

You can download the MSTB253ST508BK datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of MSTB253ST508BK?

Phoenix Contact

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