Rittal AS4055.778 precision female die for producing 18 mm round holes in copper and aluminium busbars up to 12 mm thick.
£77.89
The Rittal AS4055.778 is a precision-engineered female die for busbar punching applications, designed for use with the corresponding Rittal male punch to produce accurate 18 mm round holes in copper and aluminium busbars. As part of the Rittal Automation Systems tooling range, it delivers consistent, high-quality punching performance for panel builders, switchgear manufacturers and industrial electrical professionals.
Manufactured from hardened tool steel, the AS4055.778 provides excellent durability and dimensional accuracy when used with compatible Rittal hydraulic punching equipment. Its precision-machined profile helps produce clean holes with minimal burr formation, improving productivity during busbar fabrication.
Designed for punching busbars up to 12 mm material thickness, the Rittal AS4055.778 is the matching female die for the corresponding 18 mm male punch, making it ideal for manufacturing electrical switchgear, control panels and power distribution systems.
Professional busbar punching dies allow electrical panel builders to create accurately positioned mounting holes with excellent repeatability. When paired with the corresponding Rittal male punch, the AS4055.778 delivers clean, precise holes while helping reduce machining time and improve finished panel quality.
The Rittal Automation Systems tooling range is designed for demanding industrial manufacturing environments where accuracy, durability and repeatable performance are essential for efficient switchboard and control panel production.
| Series | Automation Systems |
|---|---|
| Alternative SKU | 4055778 |
| Product type | Female die for punching busbars |
| Hole diameter | 18 mm |
| Maximum material thickness | 12 mm |
| Application | Punching round holes in busbars |
| Suitable materials | Copper and aluminium busbars |
| Net weight | 0.27 kg |
| Pack quantity | 1 piece |
| EAN | 4028177920699 |
It is a female die used together with the matching Rittal male punch to create precise 18 mm round holes in copper and aluminium busbars.
The AS4055.778 is designed for 18 mm diameter round holes.
The die is suitable for busbar material up to 12 mm thick.
No. It is designed to operate with the corresponding Rittal male punch and compatible hydraulic punching equipment.
It is widely used by electrical panel builders, switchgear manufacturers and industrial automation companies for professional busbar fabrication.
Rittal Automation Systems busbar tooling is trusted by professional switchgear manufacturers and panel builders for delivering precise, reliable and repeatable punching performance in demanding industrial applications.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...