# Rittal AS 4055.540 spare part — metallic perforating plate for steel panels, model 4055.540

**URL:** https://aio.lv/en/product--rittal-4055540--1487419
**Data updated:** 2026-04-28 18:45 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** Rittal
**Manufacturer code:** 4055540
**EAN:** 4028177808744
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 76.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 63.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4055540--1487419

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Rittal AS 4055.540 is a metallic spare part intended for use with steel panels and enclosures. Supplied in a metallic finish, this component functions as a perforating or mounting plate compatible with panel modification and cable/fixture entry tasks. Suitable for industrial cabinet assembly, maintenance and retrofitting of Rittal enclosures.

## Long description

The Rittal AS 4055.540 is a metallic-coloured punching tool designed for creating round cut-outs in steel sheet material with a nominal diameter around M40/Ø. Compact and lightweight, it is intended for straightforward on-site sheet metal work where clean round holes are required.
Advantages
The tool offers a dedicated solution for punching round holes in steel sheets, providing consistent hole shape and size. Its compact design and moderate weight make it easy to handle and transport between work locations. The metallic finish resists surface wear during normal use.
Suitable for
Punching round holes in steel sheet panels
Creating cable and conduit entry points in electrical enclosures
On-site sheet metal modifications and retrofits
When it may not be suitable
This device is intended specifically for round cut-outs of the indicated nominal size and for use with steel sheet. It may not be suitable for very thick plate, non-ferrous metals with different ductility, or applications requiring multiple hole sizes without changing tooling.
Key specifications
Application: Punching round cut-outs in steel sheet
Compatible hole form: round, nominal M40/Ø size
Material finish: metallic
Package weight: 382 g
How to use
Position the punch on the marked point of the steel sheet and apply force according to the tool type (manual or press-assisted) until the round cut-out is complete. Ensure the sheet is properly supported beneath the punch and that the correct hole size is aligned before actuating. Follow standard safety procedures such as eye protection and securing loose clothing.
What to consider before purchase
Intended hole diameter and compatibility with M40/Ø round cut-outs
Material type and thickness of sheet to be punched (suitable for steel sheet)
Whether you need multiple hole sizes or a single dedicated punch
Usage recommendations
For reliable results, use the punch with properly supported sheet metal and appropriate tooling or press equipment. Inspect the punch edge regularly and replace or resharpen if cuts become uneven.

## Specifications

| Feature | Value |
|---|---|
| Package weight | 382 g |
| Product colour | Metallic |
| Hole diameter | 40.5 mm |

## FAQ

### How much does the Rittal AS 4055.540 perforating plate cost, and is it available for purchase?

The price is 76.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Rittal products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Rittal service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for Rittal AS 4055.540 perforating plate?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1487419/62462877_large.webp