# Legrand Auxiliary Contact 1P Side Mounting for TX3 and DX3 Series

**URL:** https://aio.lv/en/product--legrand-406256--12446409
**Data updated:** 2026-05-18 02:45 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Legrand
**Manufacturer code:** 406256
**EAN:** 3245064062565
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 27.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-406256--12446409

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The Legrand auxiliary contact (406256) is a 1-pole device designed for side mounting on TX3 and DX3 series circuit breakers and residual current devices. It provides reliable status signaling for electrical installations, allowing for remote monitoring of switching positions. This essential accessory enhances system control and safety in industrial and residential electrical distribution panels.

## Long description

The Legrand auxiliary contact for TX3 and DX3 series is a precision-engineered 1-pole device designed for seamless side mounting on circuit breakers and residual current devices. This component serves as a critical interface for electrical distribution systems, enabling accurate remote monitoring of the switching status of protective devices. By providing real-time feedback on whether a circuit is open or closed, it significantly improves the management and operational transparency of electrical panels in both residential and industrial environments.
Advantages
This auxiliary contact offers high reliability and ease of integration within existing Legrand electrical infrastructure. Its side-mounting design ensures a compact footprint, allowing for efficient use of space within distribution boards without requiring complex modifications. The device is built to maintain consistent performance, ensuring that status signaling remains accurate over long periods of operation, which is essential for maintaining safety standards and proactive maintenance schedules in complex electrical setups.
Suitable for
Remote monitoring of circuit breaker status
Integration into industrial automation and control panels
Residential electrical distribution boards requiring status feedback
Safety-critical electrical installations
When it may not be suitable
This device is specifically designed for compatibility with the Legrand TX3 and DX3 series. It may not be suitable for use with circuit breakers from other manufacturers or older product lines that do not support this specific side-mounting interface.
Key specifications
Configuration: 1-pole (1P)
Mounting type: Side mounting
Compatibility: Legrand TX3 and DX3 series circuit breakers and residual current devices
Function: Status signaling and remote monitoring
How to use
Installation should be performed by a qualified electrician in accordance with local safety regulations. Ensure the main power supply is disconnected before attempting to mount the auxiliary contact. The device attaches to the side of the compatible circuit breaker or residual current device using the integrated mechanical coupling. Once physically secured, connect the signal wires to the terminals according to the wiring diagram provided with the main protective device to establish the monitoring circuit.
What to consider before purchase
Verify that your existing circuit breaker is part of the TX3 or DX3 series
Ensure there is sufficient physical space on the side of the breaker within the distribution board
Confirm that your monitoring system is compatible with the signal output of this auxiliary contact
Usage recommendations
Always test the signaling function after installation to ensure the monitoring system correctly reflects the switching position of the circuit breaker. Regular inspection of the electrical connections is recommended to maintain system integrity.

## FAQ

### How much does the Legrand Auxiliary Contact 1P for TX3/DX3 (406256) cost, and is it available for purchase?

The price is 32.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 03.07.2026 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

## Image

https://aio.lv/img/cache/product/12446409/68749554_large.webp