Crimping Tool Rittal 4054008 for Ferrules 35–50 mm², WM-Crimp

Rittal 4054008 crimping tool for ferrules 35–50 mm² (WM-Crimp) is a hand-operated pressing tool engineered for crimping large conductor ferrules. It is intended to provide consistent mechanical and electrical connections for large cross-section conductors used in control panels, switchgear and industrial electrical installations. The tool is compatible with the WM-Crimp system and designed to deliver the compression force and contact geometry required for reliable terminations of 35–50 mm² ferrules.

Advantages

The Rittal crimping tool offers uniform crimps across the specified cross-section range, reducing variability between terminations and helping ensure repeatable electrical contact. The hand tool design provides tactile feedback and control during crimping operations while the WM-Crimp geometry supports solid mechanical retention and reduced contact resistance. Its construction is intended for workshop and on-site use where portable, robust tooling is required.

Suitable for

• Crimping ferrules (aderendhülsen) with conductor cross-sections from 35 mm² to 50 mm²
• Panel building and switchgear assembly where large conductors are terminated
• Industrial electrical installations and field service work requiring portable crimping
• Applications using the WM-Crimp system for standardized terminations

When it may not be suitable

This tool is not intended for very small conductors or ferrules below 35 mm² and will not produce correct crimps outside the specified range. It is a manual hand tool and therefore not optimized for high-volume production lines where hydraulic or bench-mounted crimping machines may be preferable for throughput and operator ergonomics.

Key specifications

• Ferrule cross-section range: 35–50 mm²
• Operation: manual hand-operated crimping
• Crimp system: WM-Crimp geometry
• Intended use: large conductor ferrules for electrical terminations
• Typical applications: panel building, switchgear, industrial installations

How to use

Strip the conductor to the appropriate length for the selected ferrule and insert the conductor fully into the ferrule. Position the ferrule with conductor into the crimping die sized for 35–50 mm² and close the handles until the tool completes the crimp cycle or reaches the designed stop. After crimping, inspect the ferrule for proper compression and ensure that the conductor is securely retained and that there is no visible damage to insulation beyond the ferrule. If required, perform a simple pull test or continuity measurement to verify a secure electrical and mechanical connection.

What to consider before purchase

• Confirm conductor and ferrule cross-sections fall within 35–50 mm² range
• Ensure compatibility with WM-Crimp ferrules used in your installation
• Assess production volume — manual crimping may be slower than powered solutions for large batches
• Verify required space and ergonomics for on-site hand-tool use

Usage recommendations

Use only ferrules specified for the WM-Crimp system and regularly inspect the crimping dies for wear. Follow standard electrical installation practices: strip to the correct length, avoid nicking conductors, and perform visual and mechanical checks after crimping to ensure reliable terminations.