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Phoenix Contact DFK4SI5X20BK Fuse Panel Feed-Through Terminal Block

The Phoenix Contact DFK 4-SI(5X20) BK fuse panel feed-through terminal block provides a reliable and space-saving solution for connecting power and signal lines in industrial applications. It's designed to snap into panel cutouts, offering easy installation and maintenance. The terminal block supports both screw and solder/slip-on connections, ensuring versatility in wiring configurations. Its robust construction and compliance with IEC 60947-7-2 standards make it suitable for demanding environments. The PE terminal block with ground function enhances safety and provides a secure grounding connection.

Authorized Distributors
Part No:DFK 4-SI(5X20) BK
Stock:17
Inv Date:05-28-2026
Price: Unit price: $13.58
Buy/RFQ:
Part No:DFK 4-SI(5X20) BK
Stock:17
Inv Date:05-28-2026
Price: Unit price: $13.58
Buy/RFQ:

Phoenix Contact DFK4SI5X20BK Fuse Panel Feed-Through Terminal Block Specifications:

  • Number of levels: 1
  • Number of connections: 2
  • Nominal cross section: 1.5 mm²
  • Color: black
  • Insulating material: PA
  • Flammability rating according to UL 94: V2
  • Maximum load current: 10 A
  • Rated surge voltage: 4 kV
  • Pollution degree: 3
  • Overvoltage category: III
  • Insulating material group: I
  • Connection in acc. with standard: IEC 60947-7-3
  • Nominal current IN: 6.3 A
  • Maximum load current_2: 6.3 A
  • Nominal voltage UN: 400 V
  • Open side panel: nein
  • Number of positions: 0
  • Conductor cross section solid min.: 0.2 mm²
  • Conductor cross section solid max.: 6 mm²
  • Conductor cross section flexible min.: 0.2 mm²
  • Conductor cross section flexible max.: 4 mm²
  • Conductor cross section AWG min.: 24
  • Conductor cross section AWG max.: 10
  • Conductor cross section flexible, with ferrule without plastic sleeve min.: 0.25 mm²
  • Conductor cross section flexible, with ferrule without plastic sleeve max.: 4 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
  • 2 conductors with same cross section, solid min.: 0.2 mm²
  • 2 conductors with same cross section, solid max.: 1.5 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.: 1.5 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.: 2.5 mm²
  • Stripping length: 8 mm
  • Internal cylindrical gage: A4
  • Screw thread: M3
  • Tightening torque, min: 0.6 Nm
  • Tightening torque max: 0.8 Nm
  • Connection side_1: Level 1 ext. 1
  • Connection side_2: Level 1 int. 1
  • Slip-on connection: 2.8 x 0.8 mm
  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 16.53 g
  • Custom tariff number: 85369010
  • Country of origin: Bulgaria
  • eCl@ss_4.0: 27141131
  • eCl@ss_4.1: 27141131
  • eCl@ss_5.0: 27141134
  • eCl@ss_5.1: 27141134
  • eCl@ss_6.0: 27141134
  • eCl@ss_7.0: 27141134
  • eCl@ss_8.0: 27141134
  • ETIM 2.0: EC001283
  • ETIM 3.0: EC001283
  • ETIM 4.0: EC001283
  • ETIM 5.0: EC001283
  • 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 DFK4SI5X20BK?

You can click on the BUY or RFQ button to purchase DFK4SI5X20BK from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part DFK4SI5X20BK?

You can download the DFK4SI5X20BK datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of DFK4SI5X20BK?

Phoenix Contact

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