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AS4055.779 Rittal DIE 21,0 MM, ROUND FITO CW 120
Rittal AS4055.779 21 mm female die for punching round holes in busbars up to 12 mm thick when used with the corresponding male punch.
£77.89
Why Choose the Rittal AS4055.779 Female Die for Punching Busbars?
The Rittal AS4055.779 is a precision-engineered 21 mm female die designed for creating accurate round holes in copper and aluminium busbars when used alongside the corresponding Rittal male punch. Manufactured for professional electrical panel builders and switchgear manufacturers, it delivers clean, repeatable results for busbar fabrication.
Part of the Rittal busbar processing tooling range, the AS4055.779 provides reliable performance for industrial panel production and electrical assembly workshops. Its hardened construction ensures long service life while maintaining high punching accuracy, helping reduce installation time and improve finished panel quality.
Designed for use on busbars up to 12 mm thick, this 21 mm round female die is suitable for producing precise mounting and fixing holes in power distribution systems, switchboards and industrial control panels.
Key Advantages
- Precision 21 mm round female die for busbar punching.
- Designed for use with the matching Rittal male punch.
- Produces accurate, clean holes with minimal material deformation.
- Suitable for busbars up to 12 mm material thickness.
- Robust hardened tooling for long operational life.
- Ideal for professional panel building and switchgear manufacture.
Key Features
- Manufacturer: Rittal
- Model: AS4055.779
- Product type: Female die for busbar punching
- Hole diameter: 21 mm
- Maximum material thickness: 12 mm
- Round hole punching profile.
- Designed for use with matching Rittal punch.
- Supplied as a single precision tool.
Reliable Busbar Punching for Professional Panel Building
Precision punching tools are essential for producing high-quality busbar systems used in switchgear assemblies and electrical distribution equipment. Correctly matched punch and die sets create accurate holes without excessive burrs or deformation, improving assembly speed and overall installation quality.
The Rittal AS4055.779 female die is engineered to work as part of a professional busbar punching system, providing consistent performance for manufacturers, OEMs and electrical contractors involved in industrial power distribution projects.
Typical Applications
- Busbar fabrication.
- Electrical switchboard manufacturing.
- Power distribution assemblies.
- Industrial control panel construction.
- OEM machine building.
- Electrical installation workshops.
Technical Specifications
Tick the specs you need, then view products that match.
| Application | Busbar | |
|---|---|---|
| Device Type | Crimping die / die set | |
| Series | Automation Systems | |
| Product type | Female die | |
| Application | Punching round holes in busbars | |
| Hole diameter | 21 mm | |
| Maximum material thickness | 12 mm | |
| Shape | Round | |
| Pack quantity | 1 piece | |
| Net weight | Approx. 0.245 kg | |
| Gross weight | Approx. 0.286 kg | |
| EAN | 4028177920682 |
Frequently Asked Questions
What is the Rittal AS4055.779 used for?
It is a 21 mm female die used with the corresponding male punch to create round holes in electrical busbars.
What hole size does this die produce?
The die produces a 21 mm diameter round hole.
What maximum material thickness is supported?
The AS4055.779 is suitable for punching busbars up to 12 mm thick.
Can this die be used on its own?
No. It is designed to operate together with the corresponding Rittal male punch as part of a complete punching system.
Where is this tool typically used?
It is commonly used in switchgear manufacturing, panel building and busbar fabrication for industrial electrical systems.
Trusted by Panel Builders Worldwide
Rittal busbar punching tools are trusted by electrical manufacturers, switchgear builders and industrial automation professionals for producing accurate, repeatable results in demanding production environments.
