# Electrical distribution board accessory Legrand 406278 — 86×98×26 mm, 1 pc

**URL:** https://aio.lv/en/product--legrand-406278--10790893
**Data updated:** 2026-03-11 11:56 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** Legrand
**Manufacturer code:** 406278
**EAN:** 3245064062787
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-406278--10790893

## 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

Legrand 406278 is an accessory for electrical distribution boards with dimensions 86 mm (width) × 98 mm (depth) × 26 mm (height). Supplied as a single piece per pack, it is designed to integrate with Legrand distribution systems and related installation environments to facilitate mounting, connection or enclosure adaptation in residential or commercial electrical panels.

## Long description

Legrand 406278 is an electrical distribution board accessory sized 86 × 98 × 26 mm supplied as a single unit. It is designed to mount on the left-hand side of compatible modular devices and to provide a clean interface for remote tripping, busbar insertion and simple joining with the main device without tools. The accessory is intended for use with miniature circuit breakers, residual current breakers with overcurrent protection, residual current devices and remote trip isolating switches in residential and commercial distribution panels.
Advantages
This accessory supports one remote tripping auxiliary per device and accepts a supply busbar, enabling organized wiring and compact installation. It is compatible with push-button remote tripping via a normally open contact and allows tool-free mechanical joining to the associated main device, reducing installation time. The component is suitable for systems operating from low voltage up to 415 V AC and occupies a single module width for space-efficient panel layouts.
Suitable for
 Left-side mounting on compatible modular protection devices
 Remote tripping of MCBs, RCBOs, RCCBs and isolating switches
 Industrial or residential distribution boards requiring compact auxiliary functions
 Installations that need busbar insertion and tool-free accessory coupling
Key specifications
 Dimensions: 86 mm (width) × 98 mm (depth) × 26 mm (height)
 Quantity per pack: 1 piece
 Module width: 1 module
 Electrical operating range: 110 to 415 V AC
 Mounting position: left-hand side of compatible modular devices
 Compatible device types: miniature circuit breakers, RCBOs, RCCBs, remote trip isolating switches
 Remote control interface: normally open push-button contact for remote tripping
 Assembly: tool-free joining to the main device; busbar insertion supported
How to use
Mount the accessory on the left-hand side of the target modular device following the distribution board layout. Insert the supply busbar where required and couple the accessory to the main device using the provided tool-free joining mechanism. Connect the remote tripping control via a normally open push-button circuit rated for the stated voltage range. Ensure wiring and terminations comply with local electrical codes and the device manufacturer’s installation instructions when integrating with MCBs, RCBOs, RCCBs or remote trip isolating switches.
Usage recommendations
Verify compatibility with the specific series and model of modular devices before installation. Use proper protective equipment and isolate power sources prior to making connections. For reliable operation, limit one remote tripping auxiliary per device and follow recommended wiring practices for AC voltages between 110 and 415 V.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.109 kg |
| Height | 26 mm |
| Width | 86 mm |
| Depth | 98 mm |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Legrand 406278 distribution board accessory cost, and is it available for purchase?

The price is 47.99 € (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 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

### Where can I download the instructions for Legrand 406278 distribution board accessory?

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/10790893/60049526_large.webp