# Legrand 421026 Al/Cu Cage Terminal for DPX3 3P 120mm2

**URL:** https://aio.lv/en/product--legrand-421026--12459142
**Data updated:** 2026-05-18 09:26 (EEST)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 421026
**EAN:** 3245064210263
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 68.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 56.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-421026--12459142

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Legrand 421026 is a set of three Al/Cu cage terminals designed for DPX3 circuit breakers. This accessory provides a secure and reliable connection for cables up to 120mm2 in 3-pole configurations. It is an essential component for professional electrical installations, ensuring optimal conductivity and safety in power distribution systems. The package includes a complete set for one side of the device.

## Long description

The Legrand 421026 Al/Cu cage terminal set is a professional-grade accessory engineered specifically for integration with DPX3 circuit breakers. This set includes three terminals designed to facilitate secure and efficient electrical connections in 3-pole configurations. By supporting both aluminum and copper conductors, these terminals ensure high conductivity and long-term reliability within power distribution systems.
Advantages
These cage terminals offer superior mechanical strength and electrical performance, ensuring that connections remain stable even under demanding operational conditions. The design allows for versatile cable management, accommodating various conductor types while maintaining a compact footprint. The use of high-quality materials prevents oxidation and ensures consistent contact pressure, which is vital for the safety and longevity of electrical installations.
Suitable for
Professional electrical panel assembly
Power distribution systems using DPX3 circuit breakers
Industrial and commercial infrastructure projects
Installations requiring reliable Al/Cu cable termination
When it may not be suitable
This terminal set is exclusively designed for use with specific Legrand DPX3 circuit breakers and is not compatible with other series or brands. It is not intended for applications involving cable cross-sections outside the specified range or for environments where specialized high-temperature or corrosive-resistant terminals are required.
Key specifications
Compatibility: DPX3 3-pole circuit breakers
Conductor type: Aluminum and Copper
Capacity (Flexible cable): 1 x 120 mm²
Capacity (Rigid cable): 1 x 150 mm²
Capacity (Bars): 18 mm
Quantity: Set of 3 terminals
How to use
Installation should be performed by a qualified electrician in accordance with local safety regulations. First, ensure that the circuit breaker is fully disconnected from the power supply. Insert the cage terminals into the designated slots on the circuit breaker housing. Secure the cables into the terminals, ensuring they are fully seated, and tighten the screws to the manufacturer-recommended torque settings to ensure a secure electrical connection.
What to consider before purchase
Verify the compatibility of your specific circuit breaker model
Ensure the cable cross-section matches the terminal capacity
Confirm that the installation requires a 3-pole configuration
Usage recommendations
Always use a calibrated torque wrench during installation to prevent damage to the terminal threads and to ensure optimal contact pressure for the conductors.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 72 mm |

### Packaging data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Legrand 421026 Al/Cu Cage Terminal for DPX3 cost, and is it available for purchase?

The price is 68.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 06.07.2026 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 Legrand 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 Legrand 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 Legrand 421026 Al/Cu Cage Terminal for DPX3?

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/12459142/68774249_large.webp