Cable accessory Rittal 4051.730 orange polypropylene ferrules 4.8 mm Ø x 18 mm, pack of 500

Rittal 4051.730 orange polypropylene ferrules are a pack of 500 cable end sleeves designed to provide reliable insulation and neat termination of conductor ends. Each ferrule has an 18 mm length and a 4.8 mm outer diameter, offering a consistent fit for stranded or tinned conductors in electrical panels, control cabinets, and wiring harnesses. The orange polypropylene construction combines electrical insulation with chemical resistance appropriate for typical industrial and commercial environments. These ferrules are intended to simplify crimping, improve connection quality, and enable color-coded identification of circuits.

Advantages

Polypropylene ferrules provide stable insulation and dimensional consistency for repeated installations, while the orange color supports visual circuit identification and maintenance. The pack size of 500 is suitable for medium to large wiring tasks and reduces the need for frequent reordering. The smooth inner surface helps conductors insert easily and the standard length supports secure crimping with common ferrule crimping tools.

Suitable for

• Terminating stranded or tinned conductors in control cabinets and distribution boards
• Color-coding circuits and phases for maintenance and troubleshooting
• Wire harness assembly in industrial equipment and machinery
• Field wiring tasks where reliable insulation and neat terminations are required

When it may not be suitable

These polypropylene ferrules are intended for standard electrical insulation and mechanical termination. They are not designed for high-temperature applications or environments requiring specific flame-retardant or halogen-free materials. For conductors that require soldered terminations, specialized ferrules or alternative termination methods may be more appropriate.

Key specifications

• Material: Polypropylene (PP)
• Color: Orange
• Length: 18 mm
• Outer diameter: 4.8 mm
• Pack quantity: 500 pieces

How to use

Strip the conductor to the correct length, insert the conductor fully into the ferrule until it reaches the stop, and crimp the ferrule using an appropriate insulated ferrule crimping tool. Ensure the crimp is firm and the conductor strands are contained within the ferrule. After crimping, visually inspect the termination for secure fit and correct color coding. Use ferrules of matching size for the conductor cross-section to ensure optimal electrical and mechanical performance.

What to consider before purchase

• Confirm ferrule dimensions match the conductor cross-section and insulation stripping length
• Verify polypropylene material is acceptable for your application's temperature and chemical exposure
• Ensure the orange color fits your color-coding scheme or documentation
• Check that your crimping tool supports the ferrule length and diameter

Usage recommendations

Use a dedicated insulated ferrule crimper sized for 4.8 mm ferrules and perform a sample crimp inspection before bulk installation. Store the ferrules in a dry, cool place and keep them in original packaging until use to maintain color and material properties.