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Phoenix Contact 3031283 Double-Level Spring-Cage Terminal Block

The PHOENIX CONTACT STTB 2,5 BU double-level spring-cage terminal block offers a compact and efficient solution for connecting multiple conductors in a space-saving design. Ideal for railway, machine building, and plant engineering applications, this terminal block utilizes a spring-cage connection mechanism for simplified and secure wiring. It supports a wide range of conductor sizes, from 0.08 mm² to 2.5 mm², and is rated for a nominal current of 22 A and a nominal voltage of 500 V. The terminal block's robust construction and V0 flammability rating ensure reliable performance in demanding industrial environments. It is also designed to be connected using FBS...-PV bridges for flexible circuit configurations.

Authorized Distributors
Source:DigiKey
Part No:3031283
Stock:279
Inv Date:05-28-2026
Price: Unit price: $3.84
Buy/RFQ:
Part No:3031283
Stock:4
Inv Date:05-29-2026
Price: Unit price: $5.03
Buy/RFQ:
Part No:3031283
Stock:619
Inv Date:05-28-2026
Price: Unit price: $4.26
Buy/RFQ:
Part No:3031283
Stock:38
Inv Date:05-28-2026
Price: Unit price: $5.355
Buy/RFQ:

Phoenix Contact 3031283 Double-Level Spring-Cage Terminal Block Specifications:

  • Number of levels: 2
  • Number of connections: 4
  • Nominal cross section: 2.5 mm²
  • Color: blue
  • Insulating material: PA
  • Flammability rating according to UL 94: V0
  • Area of application: Railway industry, Machine building, Plant engineering, Process industry
  • Rated surge voltage: 6 kV
  • Degree of pollution: 3
  • Overvoltage category: III
  • Insulating material group: I
  • Connection in acc. with standard: IEC 60947-7-1
  • Nominal current IN: 22 A
  • Maximum load current: 26 A (with 4 mm² conductor cross section)
  • Nominal voltage UN: 500 V
  • Open side panel: Yes
  • Packing unit: 1 pc
  • Minimum order quantity: 50 pc
  • Weight per Piece (excluding packing): 10.508 g
  • Custom tariff number: 85369010
  • Country of origin: Germany
  • Conductor cross section solid min.: 0.08 mm²
  • Conductor cross section solid max.: 4 mm²
  • Conductor cross section flexible min.: 0.08 mm²
  • Conductor cross section flexible max.: 2.5 mm²
  • Conductor cross section AWG min.: 28
  • Conductor cross section AWG max.: 12
  • Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.14 mm²
  • Conductor cross section flexible, with ferrule without plastic sleeve max.: 2.5 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve min.: 0.14 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve max.: 2.5 mm²
  • 2 conductors with same cross section, stranded, TWIN ferrules with plastic sleeve, max.: 0.5 mm²
  • Stripping length: 8 mm ... 10 mm
  • Internal cylindrical gage: A3
  • eCl@ss 4.0: 27141121
  • eCl@ss 4.1: 27141121
  • eCl@ss 5.0: 27141120
  • eCl@ss 5.1: 27141120
  • eCl@ss 6.0: 27141120
  • eCl@ss 7.0: 27141120
  • eCl@ss 8.0: 27141120
  • eCl@ss 9.0: 27141120
  • ETIM 2.0: EC000897
  • ETIM 3.0: EC000897
  • ETIM 4.0: EC000897
  • ETIM 5.0: EC000897
  • UNSPSC 6.01: 30211811
  • UNSPSC 7.0901: 39121410
  • UNSPSC 11: 39121410
  • UNSPSC 12.01: 39121410
  • UNSPSC 13.2: 39121410

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Frequently Asked Questions

Where can I buy Phoenix Contact 3031283?

You can click on the BUY or RFQ button to purchase 3031283 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 3031283?

You can download the 3031283 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 3031283?

Phoenix Contact

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