# Insulation Piercing Connector ENSTO SLIW57 for 25–150 mm² Cables

**URL:** https://aio.lv/en/product--ensto-sliw57--12105718
**Data updated:** 2026-03-20 09:56 (EET)
**Category:** Network Equipment Accessories
**Manufacturer:** ENSTO
**Manufacturer code:** SLIW57
**EAN:** 6438100303686
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ensto-sliw57--12105718

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

ENSTO SLIW57 is an insulation piercing connector designed for creating secure electrical connections on insulated conductors with cross-sections from 25 to 150 mm². The connector pierces insulation to establish contact without stripping the cable, enabling fast and reliable tap or branch installations in power distribution and overhead/underground network applications.

## Long description

ENSTO SLIW57 insulation piercing connector is designed to create a reliable electrical tap or branch on insulated conductors with cross-sections from 25 to 150 mm² without prior removal of the conductor insulation. The connector establishes metal-to-metal contact by piercing the insulation and compressing conductors within a durable housing suitable for overhead and underground distribution networks. Its design supports quick installation and long-term electrical continuity in power distribution applications.
Advantages
The connector provides a secure contact by piercing insulation, eliminating the need for stripping and reducing installation time. Built for mechanical stability and corrosion resistance, the housing and contact elements maintain consistent pressure and electrical connection under typical environmental conditions. ENSTO SLIW57 accommodates a wide range of conductor sizes and is compatible with common power network configurations, enabling flexible use in tap and branch installations.
Suitable for
Creating taps and branches on medium- and low-voltage overhead lines
Underground network splicing and branching where insulated conductors are used
Field installations requiring quick connection without stripping conductor insulation
Maintenance and expansion of power distribution circuits
Key specifications
Conductor cross-section compatibility: 25–150 mm²
Connection type: insulation piercing contact for solid and stranded conductors
Suitable conductor insulation: common polymeric insulation types used in power distribution
Mechanical characteristics: designed for stable clamping force and resistance to vibration
Environmental resistance: corrosion-resistant materials for outdoor use in overhead and underground networks
How to use
Position the ENSTO SLIW57 connector around the insulated conductor and the branch conductor according to the installation drawing. Tighten the fastening bolts to compress the contact elements until the specified torque or visual compression indicator is reached, allowing the piercing blades to penetrate the insulation and establish electrical contact. Confirm mechanical tightness and electrical continuity following company or network testing procedures. No stripping of the conductor insulation is required prior to installation.
Usage recommendations
Use appropriate torque tools and follow local electrical safety regulations during installation. Confirm compatibility with conductor material and insulation type before use. Regularly inspect installed connectors as part of maintenance routines to verify mechanical tightness and absence of corrosion.

## FAQ

### How much does the ENSTO SLIW57 insulation piercing connector 25–150 mm² cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 93 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 13.07.2026 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, Bank cards on-line, Apple Pay, Google Pay. 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 ENSTO 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 ENSTO 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

## Image

https://aio.lv/img/cache/product/12105718/67642360_large.webp