# Legrand 421030 Al/Cu Cage Terminal for DPX3 Circuit Breakers

**URL:** https://aio.lv/en/product--legrand-421030--12453789
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Legrand
**Manufacturer code:** 421030
**EAN:** 3245064210300
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 47.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-421030--12453789

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Legrand 421030 is a high-quality Al/Cu cage terminal designed for use with DPX3 series circuit breakers. This accessory ensures secure and reliable electrical connections for conductors up to 180mm2. It is an essential component for professional electrical installations, providing robust performance and compatibility within the Legrand power distribution system. The package contains 1 piece.

## Long description

The Legrand 421030 Al/Cu cage terminal is a specialized electrical accessory engineered for seamless integration with DPX3 series circuit breakers. This component facilitates secure and efficient power distribution by providing a reliable connection point for aluminum and copper conductors. Designed for professional electrical infrastructure, it ensures high conductivity and mechanical stability within the Legrand power distribution ecosystem.
Advantages
This cage terminal offers superior versatility by supporting both copper and aluminum cables, making it an ideal choice for diverse electrical installation requirements. Its robust construction ensures a firm grip on conductors, which minimizes contact resistance and enhances the overall safety and longevity of the circuit breaker connection. The design is optimized for easy installation, allowing for efficient assembly within electrical panels while maintaining high performance standards under various load conditions.
Suitable for
Professional electrical panel assembly
Power distribution systems using DPX3 circuit breakers
Industrial and commercial electrical installations requiring Al/Cu cable connections
When it may not be suitable
This terminal is specifically designed for use with the DPX3 series and may not be compatible with other circuit breaker models or brands. It is not intended for applications involving cable cross-sections outside the specified range or for environments where specialized non-standard terminal types are required.
Key specifications
Material compatibility: Aluminum and Copper conductors
Maximum capacity for flexible cables: 120 mm²
Maximum capacity for rigid cables: 150 mm²
Terminal type: Cage terminal
Quantity: Set of 3 terminals
How to use
To install the Legrand 421030 cage terminal, ensure that the circuit breaker is completely de-energized and disconnected from the power supply. Insert the terminal into the designated slot on the DPX3 circuit breaker and secure it according to the manufacturer's torque specifications. Strip the insulation from your copper or aluminum conductor to the appropriate length, insert the conductor into the cage, and tighten the screw firmly to ensure a secure mechanical and electrical connection. Verify that the cable is held tightly and cannot be pulled out before restoring power.
What to consider before purchase
Verify the compatibility of your specific DPX3 circuit breaker model
Ensure the cable cross-section matches the 120 mm² or 150 mm² capacity requirements
Confirm the number of terminals needed for your installation project
Usage recommendations
Always use a calibrated torque wrench to tighten the terminal screws to the manufacturer's recommended torque values to prevent damage to the conductor or the terminal itself. Ensure that the cable surface is clean and free of oxidation before insertion to maintain optimal electrical contact.

## Specifications

| Feature | Value |
|---|---|
| Height | 47 mm |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Legrand 421030 Al/Cu Cage Terminal for DPX3 cost, and is it available for purchase?

The price is 57.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 07.07.2026 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 421030 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/12453789/68776257_large.webp