# Modular surface-mounted distribution box Legrand PRACTIBOX S 3x12 with white door, 3x1P B16 RX3 (MPN 135423P)

**URL:** https://aio.lv/en/product--legrand-135423p--12108679
**Data updated:** 2026-03-20 09:59 (EET)
**Category:** Power Sockets
**Manufacturer:** Legrand
**Manufacturer code:** 135423P
**EAN:** 5904182640502
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--legrand-135423p--12108679

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Legrand PRACTIBOX S modular surface-mounted distribution box with capacity for 3 rows of 12 modules. Supplied with white door and equipped for three single-pole (1P) B16 breakers in RX3 format. Designed for residential and light commercial electrical installations to house and organize circuit breakers and protective devices, enabling safe distribution and circuit segregation.

## Long description

Legrand PRACTIBOX S modular surface-mounted distribution box with capacity for three rows of 12 modules and a white door is designed for organising circuit breakers and protective devices in residential and light commercial installations. The enclosure accepts standard modular devices in RX3 format and is supplied pre-equipped to accommodate three single-pole B16 breakers. The compact surface-mounted design allows installation on walls where recessed mounting is not possible or practical, providing a tidy and accessible electrical distribution point.
Advantages
The PRACTIBOX S offers flexible module capacity and a clear white door for easy status checking and access. Its surface-mounted housing simplifies installation without the need for wall cavities and keeps wiring accessible for maintenance. Compatibility with RX3 modular devices and provision for single-pole B16 breakers streamline initial setup and future expansion of circuits. The enclosure is manufactured to meet common electrical installation requirements and supports orderly separation of circuits.
Suitable for
 Domestic electrical distribution panels
 Small commercial premises and offices
 Renovation projects where surface mounting is required
 Temporary power distribution or service closets
Key specifications
 Capacity: 3 rows × 12 modular units
 Door colour: white
 Mounting type: surface-mounted
 Compatible device format: RX3 modular devices
 Provision for three single-pole circuit breakers (1P B16)
 Material: durable plastic enclosure suitable for electrical installations
How to use
Mount the distribution box on a suitable flat surface following applicable electrical safety standards and local regulations. Fix the enclosure securely using appropriate fasteners, route incoming and outgoing cables through the provided knockouts or entry points, and install modular devices in the DIN-rail or mounting slots designed for RX3 format. Fit single-pole B16 breakers in the allocated positions as required, make proper connections to phase and neutral busbars, and ensure protective earth is correctly terminated. After installation, close the white door to protect internal components while allowing visual inspection when needed.
Usage recommendations
Verify that installed protective devices and wiring conform to local electrical codes and the rated current of circuits. Allow space for heat dissipation and future expansion when planning module distribution. Perform testing and inspection after installation and schedule periodic checks to ensure secure connections and proper operation.

## FAQ

### How much does the Legrand PRACTIBOX S 3x12 distribution box cost, and is it available for purchase?

The price is 19.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 23.07.2026 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/12108679/67644905_large.webp