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BS43 Partex Blue 4mm Fork Crimp (PK100)

MPN: BS43

Special Price £3.34 £2.78 Regular Price £5.57

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Why Choose the BS43 Partex Blue 4 mm Fork Crimp Terminal?

The BS43 Partex Blue 4 mm Fork Crimp Terminal provides a convenient and reliable solution for safe electrical terminations onto M4 studs or screws. Designed for 1.5–2.5 mm² stranded copper conductors, it features a pre-insulated blue PVC sleeve for quick wire gauge identification and safe handling. Built from high-purity copper (C1100) and UL‑certified for durability, the BS43 is ideal for control panels, terminal blocks, and machine wiring applications.

Supplied in a pack of 100, this fork-style terminal is trusted by electricians, panel technicians, and OEM engineers who need space-efficient, compliant terminations with consistent reliability.

See what customers say | Jump to FAQs

Technical Specifications

  • Product Code: BS43
  • Terminal Type: Fork Crimp Terminal
  • Stud Size: 4 mm (M4)
  • Conductor Size: 1.5–2.5 mm² (Blue insulation standard)
  • Material – Terminal: High-purity copper (C1100)
  • Material – Insulation: PVC, blue
  • Temperature Rating: -40 °C to +105 °C
  • Pack Size: 100 pieces
  • Certifications: UL E163810 approved

Applications

  • Wiring on M4 terminal screws in control panels
  • Automation and machine enclosures
  • Compact terminal block connections
  • OEM and industrial wiring assemblies
  • Maintenance and retrofit installations

Key Features

  • Fork style design for easy screw clearance under M4 heads
  • Blue insulation for identification of 1.5–2.5 mm² wire
  • Pre-insulated PVC sleeve ensures secure, safe crimps
  • C1100 copper barrel for optimal conductivity and mechanical strength
  • UL-certified and vibration-resistant for reliable performance
  • 100-piece pack ideal for installers and panel shops

Compatible Tools & Standards

Compatible with ratchet crimp tools for insulated terminals. Meets UK/EU wiring standards and complies with UL certification for electrical safety.

Frequently Asked Questions

The BS43 supports 1.5–2.5 mm² stranded copper conductors, in line with standard blue insulation coding.

Yes, it is engineered for 4 mm (M4) studs or screws, commonly found in compact terminal blocks and control installations.

Yes. The fork profile permits clean installation under screw heads and inside tight control cabinets.

Use a ratchet-style crimping tool specified for insulated terminations to ensure consistent, secure crimps.

While optimised for stranded copper wire, it can be crimped onto solid-core conductors if the correct tool is used carefully.

The BS43 is rated for continuous use between -40 °C and +105 °C, suitable for most industrial and control applications.

Blue PVC insulation signifies compatibility with 1.5–2.5 mm² conductors, according to international terminal colour coding standards.

Trusted By Customers Worldwide

"Perfect fit under M4 screws—no fuss, reliable quality. Great for compact control wiring." – Jamie T., Panel Assembly Specialist
More Information
Manufacturer Part Number BS43
Packed Quantity 100
Manufacturer Partex
Colour Blue
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