# Enclosure accessory Rittal AS 4055.140 metallic — round sheet metal punch for stainless steel, M40

**URL:** https://aio.lv/en/product--rittal-4055140--1487349
**Data updated:** 2026-04-28 18:45 (EEST)
**Category:** Tool kits and accessories
**Manufacturer:** Rittal
**Manufacturer code:** 4055140
**EAN:** 4028177808089
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 142.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 117.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4055140--1487349

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Rittal AS 4055.140 is a metallic enclosure accessory designed as a round sheet metal punch for stainless steel with an M40 hole size. Intended for use in electrical enclosures and control cabinets, it enables precise circular perforations in stainless sheet material for mounting glands, conduits or cable entries. Practical for panel fabrication and field installations.

## Long description

The Rittal AS 4055.140 is a metallic-coloured punching tool insert designed for creating round cut-outs. It is intended as a component for panel and enclosure processing where clean circular holes are required. The product is compact and lightweight, with a package weight of approximately 417 g, and is supplied by Rittal for use with compatible punching systems.
Advantages
This insert provides reliable circular hole punching performance and is suited for use on stainless steel according to the original offer description. Its metallic finish supports integration into professional workshop environments and its compact packaging makes handling and storage straightforward.
Suitable for
Punching round holes in metal panels and enclosures
Use in workshops and industrial panel fabrication
Applications where Ø40 mm circular cut-outs are required
When it may not be suitable
The component is a specific insert for punching systems and may not be compatible with all hole punch devices; compatibility with your existing tooling must be confirmed before purchase. It is not a standalone machine — an appropriate punch press or holder is required to operate the insert.
Key specifications
Shape of cut-out: round
Nominal hole diameter: 40 mm
Intended material: stainless steel (as per offer)
Finish: metallic
Package weight: approximately 417 g
How to use
Install the insert into a compatible punching tool or press following the manufacturer's mounting instructions. Align the panel, secure it, and operate the press to create the Ø40 mm round cut-out. Ensure tooling and material are properly supported to avoid distortion and wear appropriate personal protective equipment during operation.
What to consider before purchase
Confirm compatibility with your punching press or holder
Verify suitability for the panel material and thickness you intend to work with
Check that a Ø40 mm hole meets your application requirements
Usage recommendations
Use with a properly maintained punch press and suitable backing support; verify material thickness limits and perform test punches on scrap material to confirm fit and finish before working on final panels.

## Specifications

| Feature | Value |
|---|---|
| Package weight | 417 g |
| Product colour | Metallic |
| Hole diameter | 40.5 mm |

## FAQ

### How much does the Rittal AS 4055.140 round sheet metal punch M40 cost, and is it available for purchase?

The price is 142.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 15.07.2026 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 4055.140 round sheet metal punch M40?

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/1487349/62462807_large.webp