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Ten green plastic blocks with silver screw terminals in a row

Unique-Bargains

Unique-Bargains KF2EDGK 3.5mm 4-Pin 10Pcs Wire Cap Connector

SKU CH-CGQW-K44SM

Pack of ten 4-pin PCB screw terminal blocks with 3.5mm pitch rated for 300V AC

  • Handles up to 300V AC for reliable power connections
  • 5mm pitch fits standard PCB layouts
  • Four screw terminals secure each wire firmly
  • Compact 16mm by 12mm by 15mm body saves board space
  • Pack of 10 connectors covers multiple projects

4-Pin Terminal Block Pack

This pack contains ten new PCB screw terminal block connectors from Unique-Bargains. Each unit provides four positions at a 3.5mm pitch and is rated for AC300V. The green and silver-tone housings combine plastic and metal materials. They are designed for direct PCB mounting in a wide range of electronic equipment.

Upgrade From Loose Wiring

These connectors replace ad-hoc solder joints or temporary terminal strips that lack a secure mechanical lock. The screw-terminal design allows wires to be installed and removed repeatedly without damaging the PCB pads. The jump is worth it when a project demands reliable, tool-friendly connections that can withstand vibration and thermal cycling in permanent installations.

Build Integration Notes

Each block measures 16mm by 12mm by 15mm, requiring minimal board real estate for a four-position footprint. The 3.5mm pitch aligns with standard grid layouts, simplifying PCB layout planning. The ten-piece pack supports multiple board builds or spares for prototyping. No DIN rail footprint is needed unless a separate adapter is sourced.

Highlights

  • Handles up to 300V AC for reliable power connections
  • 5mm pitch fits standard PCB layouts
  • Four screw terminals secure each wire firmly
  • Compact 16mm by 12mm by 15mm body saves board space
  • Pack of 10 connectors covers multiple projects

Specifications

BrandUnique Bargains

Questions about this item

What PCB hole spacing does the 3.5mm pitch require?

The connector uses a 3.5mm terminal pitch, so matching through-holes should be spaced 3.5mm centre-to-centre on the board.

Which step is often missed when soldering the 4-pin block?

Insert the block flush to the PCB, solder one pin first, check alignment, then solder the remaining three pins to avoid a crooked mount.

How can I tell when a green block from the 10-piece pack needs replacing?

Replace a block if the plastic housing shows cracks, the metal terminals are corroded, or a screw no longer clamps wire securely.

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