Crimping Tool for Ferrules Rittal 4054004 — for AWG/CSA 10–25 mm², WM-Crimp

Rittal crimping tool 4054004 is a manual press tool designed for crimping ferrules on conductors with cross-sections from 10 to 25 mm² (AWG/CSA range). Implementing the WM-Crimp method, the tool produces consistent, form-stable crimps for wire and cable ends used in electrical installations and control cabinet assembly. Its construction and die geometry are intended to deliver reproducible connections that meet the mechanical and electrical requirements of routine professional and maintenance work.

Advantages

The tool provides uniform crimps across the specified 10–25 mm² range, reducing variability between terminations. Its manual press operation is compact and suitable for workshop benches or on-site use where pneumatic or hydraulic systems are impractical. The WM-Crimp method and matching die profile are designed to produce secure mechanical and electrical contact while minimising conductor strand damage. The tool's ergonomic handling and robust build support frequent use in installation and repair tasks.

Suitable for

• Crimping ferrules on single conductors and cable ends in electrical installations
• Control cabinet and panel assembly where reliable wire terminations are required
• Maintenance and service work that requires repeatable, secure crimps
• Workshops and on-site jobs without access to powered crimping equipment

When it may not be suitable

This manual crimping tool is not intended for conductor sizes outside the 10–25 mm² range; attempting to crimp smaller or larger cross-sections can result in poor crimps or tool damage. For high-volume production environments where throughput and cycle time are critical, a powered or automatic crimping system may be more appropriate than a manual press.

Key specifications

• Applicable conductor cross-section: 10–25 mm²
• Crimp method: WM-Crimp
• Intended use: ferrules (aderendhülsen) on single conductors and cable ends
• Operation: manual press
• Typical applications: electrical installation, control cabinet/panel assembly, maintenance

How to use

Select the correct ferrule size for the conductor and insert the stripped conductor into the ferrule. Position the ferrule in the tool's die corresponding to the conductor cross-section and operate the manual press to form the crimp. Inspect the finished crimp to ensure full compression, correct shape according to WM-Crimp profile, and that no strands are splayed. Repeat for each termination, keeping dies and contact surfaces clean and free of debris for consistent results.

What to consider before purchase

• Verify that the conductor cross-sections you work with fall within the 10–25 mm² range
• Confirm compatibility of the ferrule type and dimensions with the WM-Crimp die profile
• Assess whether manual operation meets your throughput requirements or if powered equipment is needed
• Check workspace and access conditions to ensure a manual tool is practical for on-site use

Usage recommendations

For reliable terminations, use ferrules sized to the conductor, maintain clean dies, and perform periodic checks of crimp quality. In higher-volume settings consider a powered crimping solution to increase consistency and speed.