# MONTIS installation cross switch WP-8F Extensa MT055K — 1-module cross connector for multi-way lighting circuits

**URL:** https://aio.lv/en/product--montis-mt055k--11750859
**Data updated:** 2026-03-08 15:43 (EET)
**Category:** Smart Switches
**Manufacturer:** MONTIS
**Manufacturer code:** MT055K
**EAN:** 5901811404849
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--montis-mt055k--11750859

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

MONTIS WP-8F (MT055K) is a cross installation switch (Extensa series) designed to connect and control multi-way lighting circuits. As a 1-module cross connector it enables switching between two or more intermediate switches in complex wiring layouts. Suited for flush mounting in standard installation boxes, it provides a durable electrical interface for household and commercial lighting installations.

## Long description

MONTIS installation cross switch WP-8F Extensa MT055K is a 1-module cross connector made for multi-way lighting circuits. Designed for flush mounting in standard installation boxes, this cross switch provides an electrical interface that allows switching between two or more intermediate switches in complex wiring arrangements. The unit is intended for integration into residential and commercial lighting systems where multi-point control is required.
Advantages
The design supports reliable electrical connections in multi-way circuits and fits into a single-module Extensa-style frame for compact installation. Its construction is suitable for standard flush mounting, offering compatibility with common installation boxes and frames. The cross switch helps simplify wiring layouts by enabling intermediate cross-connections without adding bulky components.
Suitable for
Multi-way lighting systems in homes and apartments
Commercial premises requiring several control points for the same light
Corridors, stairwells and large rooms with multiple switches
Retrofit projects where space inside the installation box is limited
Key specifications
Form factor: 1-module cross connector compatible with Extensa frames
Mounting type: flush mounting for standard installation boxes
Function: intermediary cross-switch for multi-way lighting circuits
Application area: indoor electrical lighting installations
Compatibility: designed to work with common intermediate and two-way switches in multi-point circuits
How to use
Install the cross switch into a compatible single-module Extensa frame and secure it inside a standard flush-mounted installation box. Connect incoming and outgoing conductors according to the wiring diagram for a cross (intermediate) switch in a multi-way lighting circuit, ensuring all power is turned off before working on the wiring. After connections are made, mount the cover plate and restore power to test multi-point switching functionality.
Usage recommendations
For safe and reliable operation, perform installation and wiring according to applicable electrical standards and local regulations. If unsure about wiring configurations for multi-way circuits, consult a qualified electrician. Verify compatibility with existing switches and frames prior to installation and ensure all connections are tightened to manufacturer torque recommendations when available.

## FAQ

### How much does the MONTIS WP-8F Extensa MT055K cross installation switch cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 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 13.07.2026 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 MONTIS 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 MONTIS 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/11750859/67129556_large.webp