Cimco 187020 Wire End Ferrule 4 mm² Partially Insulated Grey 100 pcs

Electricians and panel builders terminating fine-stranded conductors will appreciate the Cimco 187020 wire end ferrule. This grey, partially insulated ferrule accepts 4 mm² conductors and comes in a pack of 100 pieces, making it a practical choice for control cabinets, industrial wiring, and installation work.

Key specifications

• Wire cross-section: 4 mm²
• Insulation type: Partially insulated
• Colour: Grey
• Pack quantity: 100 pieces
• Ferrule material: Electrolytic copper (E-Cu), tin-plated
• Insulation material: Polypropylene (PP)
• Metal sleeve length (L1): 12 mm
• Total length (L2): 22 mm
• Inner diameter (d1): 3.0 mm
• Outer diameter (d2): 3.4 mm
• Insulation sleeve diameter (d3): 5.0 mm
• Temperature range: -40°C to +105°C
• Voltage rating: Up to 600 V
• Flammability rating: UL94 V-2
• RoHS compliant: Yes
• Halogen-free: Yes

Why choose it

The tin-plated copper construction ensures reliable conductivity and corrosion resistance, while the polypropylene insulation provides durable protection. The grey colour coding follows DIN 46228 Part 4, allowing quick identification of the 4 mm² size during installation.

Ideal use cases

• Terminating fine-stranded conductors in control cabinets
• Industrial machinery wiring
• Building installation and distribution boards
• Automation and panel building

Good to know

Partially insulated ferrules leave the metal sleeve exposed for a secure crimp connection, while the insulating collar helps prevent wire strands from splaying. These ferrules are suitable for use with standard crimping tools designed for DIN 46228 Part 4.