# Ferrule Rittal AS 4051.577 — copper, polypropylene insulated, 0.75 mm² conductor, 8 mm length, pack of 500

**URL:** https://aio.lv/en/product--rittal-4051577--12401127
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Network Equipment Accessories
**Manufacturer:** Rittal
**Manufacturer code:** 4051577
**EAN:** 4028177999671
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4051577--12401127

## 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 4051.577 is a set of insulated ferrules for cable termination with a copper conductor and polypropylene (PP) insulation. Designed for 0.75 mm² conductors, each ferrule is 8 mm long and the pack contains 500 pieces. Suitable for crimping onto stranded wires to improve contact reliability and prevent fraying in control cabinets and electrical installations.

## Long description

Rittal AS 4051.577 ferrules are insulated wire end sleeves intended for reliable termination of stranded conductors. Each ferrule has a copper conductor tube with polypropylene (PP) insulation and is sized for 0.75 mm² conductors. At 8 mm nominal length and supplied in a pack of 500, these ferrules provide consistent crimping results for control cabinets, terminal blocks and general electrical installations where secure, vibration-resistant connections are required.
Advantages
These insulated ferrules combine a copper crimping sleeve with a polypropylene plastic collar to ensure good electrical contact and mechanical protection for the stripped conductor end. The uniform dimensions and material quality support repeatable crimp performance and reduce the risk of wire strand fraying during insertion into terminals. Supplied in a bulk pack of 500, they are suited to repetitive wiring tasks and maintenance operations.
Suitable for
 Crimping onto 0.75 mm² stranded copper conductors
 Termination in control cabinets and distribution blocks
 Use with screw, spring or cage clamp terminals where insulated ferrules are recommended
 Electrical panel assembly and routine wiring maintenance
When it may not be suitable
These ferrules are specifically designed for 0.75 mm² conductors; they are not suitable for larger or smaller cross-sections where the fit would be loose or too tight. They are intended for standard crimping tools and dies—specialized tooling or non-compatible crimp profiles may yield poor crimps.
Key specifications
 Conductor material: copper crimp sleeve
 Insulation material: polypropylene (PP) plastic collar
 Nominal conductor size: 0.75 mm²
 Ferrule length: 8 mm
 Pack quantity: 500 pieces
 Colour coding: plastic collar for identification
How to use
Strip the stranded conductor to the appropriate length so the bare wire fully enters the copper sleeve without exposing insulation beyond the ferrule. Insert the stripped conductor into the ferrule until the wire end is flush with the sleeve. Use a properly sized crimping tool or die specified for 0.75 mm² insulated ferrules and apply a full, even crimp to compress the copper sleeve onto the conductor. After crimping, verify that the insulation collar sits against the terminal and that the crimped connection is mechanically secure before inserting into the terminal block or connector.
What to consider before purchase
 Confirm conductor cross-section is 0.75 mm² to ensure correct fit
 Check that available crimping tool and die are compatible with insulated ferrules for this size
 Ensure 8 mm ferrule length suits the terminal depth and strip length used in your application
 Consider pack quantity (500 pieces) relative to project scale and storage
Usage recommendations
Use a calibrated crimping tool matched to 0.75 mm² insulated ferrules and perform a pull test on sample crimps during installation. Store the pack in a dry, dust-free environment to maintain insulation and avoid contamination of the copper sleeve before use.

## Specifications

| Feature | Value |
|---|---|
| Material | Copper, Polypropylene (PP) |
| Product colour | White |
| Length | 8 mm |
| Diameter | 3.4 mm |
| Quantity per pack | 500 pc(s) |

## FAQ

### How much does the Rittal AS 4051.577 ferrules 0.75 mm², 8 mm, pack 500 cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 4051.577 ferrules 0.75 mm², 8 mm, pack 500?

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

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