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Phoenix Contact 3031429 Double-Level Spring-Cage Terminal Block

The PHOENIX CONTACT STTB 4 double-level spring-cage terminal block offers a compact design ideal for maximizing space savings in various industrial environments. Its spring-cage connection simplifies wiring and ensures secure connections. Tested for railway applications and featuring a robust construction, this terminal block is suitable for mechanical, plant, and process industries. It supports a wide range of conductor sizes and is designed for reliable performance under demanding conditions.

Authorized Distributors
Source:Newark
Part No:3031429
Stock:100
Inv Date:05-28-2026
Price: Unit price: $6.01
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Source:DigiKey
Part No:3031429
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.03
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Part No:3031429
Stock:325
Inv Date:05-29-2026
Price: Unit price: $5.28
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Part No:3031429
Stock:0
Inv Date:05-28-2026
Price: Unit price: $5.13
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Phoenix Contact 3031429 Double-Level Spring-Cage Terminal Block Specifications:

  • Number of levels: 2
  • Number of connections: 4
  • Nominal cross section: 4 mm²
  • Color: gray
  • Insulating material: PA
  • Flammability rating according to UL 94: V0
  • Area of application: Railway 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: 30 A
  • Maximum load current: 32 A
  • Nominal voltage UN: 500 V
  • Open side panel: Yes
  • Shock protection test specification: DIN EN 50274 (VDE 0660-514):2002-11
  • Back of the hand protection: guaranteed
  • Finger protection: guaranteed
  • Result of surge voltage test: Test passed
  • Surge voltage test setpoint: 7.3 kV
  • Result of power-frequency withstand voltage test: Test passed
  • Power frequency withstand voltage setpoint: 1.89 kV
  • Checking the mechanical stability of terminal points: Test passed
  • Result of bending test: Test passed
  • Bending test rotation speed: 10 rpm
  • Bending test turns: 135
  • Bending test conductor cross section/weight: 0.08 mm² / 0.1 kg, 4 mm² / 0.9 kg, 6 mm² / 1.4 kg
  • Tensile test result: Test passed
  • Conductor cross section tensile test: 0.08 mm²
  • Tractive force setpoint: 5 N
  • Conductor cross section tensile test 2: 4 mm²
  • Tractive force setpoint 2: 60 N
  • Conductor cross section tensile test 3: 6 mm²
  • Tractive force setpoint 3: 80 N
  • Result of tight fit on support: Test passed
  • Tight fit on carrier: NS 35
  • Setpoint: 1 N
  • Result of voltage-drop test: Test passed
  • Requirements, voltage drop: ≤ 3.2 mV
  • Result of temperature-rise test: Test passed
  • Result of short circuit stability: Test passed
  • Conductor cross section short circuit testing: 4 mm²
  • Short-time current: 0.48 kA
  • Conductor cross section short circuit testing 2: 6 mm²
  • Short-time current 2: 0.72 kA
  • Result of aging test: Test passed
  • Ageing test for screwless modular terminal block temperature cycles: 192
  • Result of thermal test: Test passed
  • Proof of thermal characteristics (needle flame) effective duration: 30 s
  • Oscillation, broadband noise test result: Test passed
  • Test specification, oscillation, broadband noise: DIN EN 50155 (VDE 0115-200):2008-03
  • Test spectrum: Service life test category 2, bogie mounted
  • Test frequency: f1= 5 Hz to f2= 250 Hz
  • ASD level: 6.12 (m/s²)/2/Hz
  • Acceleration: 3.12 g
  • Test duration per axis: 5 h
  • Test directions: X-, Y- and Z-axis
  • Test shock: Test passed
  • Test specification, shock test: DIN EN 50155 (VDE 0115-200):2008-03
  • Shock form: Half-sine
  • Shock acceleration: 30g
  • Shock duration: 18 ms
  • Number of shocks per direction: 3
  • Test directions 2: X-, Y- and Z-axis (pos. and neg.)
  • Relative insulation material temperature index (Elec.; UL 746 B): 130 °C
  • Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21)): 125 °C
  • Static insulating material application in cold: -60 °C
  • Width: 6.2 mm
  • Length: 83.5 mm
  • Height NS 35/7,5: 47.5 mm
  • Height NS 35/15: 55 mm
  • Connection method: Spring-cage connection
  • Conductor cross section solid min: 0.08 mm²
  • Conductor cross section solid max: 6 mm²
  • Conductor cross section flexible min: 0.08 mm²
  • Conductor cross section flexible max: 4 mm²
  • Conductor cross section AWG min: 28
  • Conductor cross section AWG max: 10
  • Conductor cross section flexible, with ferrule without plastic sleeve min: 0.14 mm²
  • Conductor cross section flexible, with ferrule without plastic sleeve max: 4 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve min: 0.14 mm²
  • Conductor cross section flexible, with ferrule with plastic sleeve max: 4 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 mm²
  • Minimum stripping length: 8 mm
  • Maximum stripping length: 10 mm
  • Internal cylindrical gage: A4

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase 3031429 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 3031429?

You can download the 3031429 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 3031429?

Phoenix Contact

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