# Rittal AS 4051.581 insulated ferrules, copper/PP, 1.0 mm² x 10 mm, yellow, pack of 500

**URL:** https://aio.lv/en/product--rittal-4051581--12401131
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Tool kits and accessories
**Manufacturer:** Rittal
**Manufacturer code:** 4051581
**EAN:** 4028177999794
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 10.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4051581--12401131

## 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 4051.581 insulated ferrules (aderendhülsen) with a copper conductor and polypropylene (PP) insulation in yellow. Designed for 1.0 mm² conductors and 10 mm insertion length. Supplied in a pack of 500, these ferrules provide reliable crimped wire ends for secure electrical connections in control cabinets, terminal blocks and wiring assemblies.

## Long description

Rittal AS 4051.581 insulated ferrules are copper crimp end sleeves with polypropylene (PP) insulation in yellow, designed for 1.0 mm² conductors and a 10 mm insertion length. Supplied in a pack of 500, these ferrules are intended to create secure, low-resistance terminations for stranded wires used in control cabinets, terminal blocks and wiring assemblies. The plastic collar provides consistent insulation and guides the conductor during crimping to ensure reliable contact.
Advantages
These ferrules combine a tin-plated copper tube for good electrical conductivity with a polypropylene insulation collar that resists deformation during crimping. The consistent tube length and diameter support repeatable crimp quality, reducing the risk of stray strands and improving connection reliability. Supplied in a bulk pack of 500, they are convenient for repetitive wiring tasks and help maintain inventory continuity on job sites and in workshops.
Suitable for
Stranded copper conductors with a nominal cross-section of 1.0 mm²
Terminations in control cabinets and distribution panels
Connection to screw-type terminal blocks and relays
Panel wiring, junction boxes and electrical assemblies requiring insulated crimp ends
When it may not be suitable
These ferrules are sized specifically for 1.0 mm² conductors and a 10 mm insertion length; they are not suitable for larger or smaller conductor cross-sections or for applications that require longer insulation collars. For high-temperature environments or where specific flame-retardant materials are mandated, choose a ferrule with insulation material certified for those conditions.
Key specifications
Conductor cross-section: 1.0 mm²
Insertion length (tube): 10 mm
Material — conductor tube: copper (tin-plated)
Insulation material: polypropylene (PP), yellow
Collar type: plastic insulation collar
Quantity per pack: 500 pieces
How to use
Strip the conductor to the recommended length so that the bare strands match the 10 mm insertion length. Insert the stripped end fully into the ferrule tube until the insulation collar meets the conductor insulation. Use an appropriate insulation ferrule crimping tool sized for 1.0 mm² ferrules to compress the tube uniformly; verify the crimp by a light pull test. Once crimped, insert the ferrule into the terminal and secure the screw or clamp as specified by the equipment manufacturer.
What to consider before purchase
Verify conductor cross-section and stripping length match 1.0 mm² and 10 mm insertion length
Confirm compatibility with your crimping tool and terminal dimensions
Assess environmental requirements (temperature, chemical exposure, flame retardancy)
Purchase quantity appropriate for project needs — pack of 500 for bulk use
Usage recommendations
For consistent, low-resistance connections use a calibrated ferrule crimping tool matched to 1.0 mm² ferrules and perform regular quality checks (pull tests and visual inspection). Store the ferrules in a dry environment to avoid corrosion and handle stranded conductors carefully to prevent stray strands before crimping.

## Specifications

| Feature | Value |
|---|---|
| Material | Copper, Polypropylene (PP) |
| Product colour | Yellow |
| Length | 10 mm |
| Diameter | 3.5 mm |
| Quantity per pack | 500 pc(s) |

## FAQ

### How much does the Rittal AS 4051.581 insulated ferrules 1.0 mm² x 10 mm cost, and is it available for purchase?

The price is 12.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 59 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 4051.581 insulated ferrules 1.0 mm² x 10 mm?

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/12401131/68689646_large.webp