# KOS KOS66 Single Staircase Switch White

**URL:** https://aio.lv/en/product--kos-660416--12444477
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** Smart Switches
**Manufacturer:** KOS
**Manufacturer code:** 660416
**EAN:** 5906881415030
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 7.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kos-660416--12444477

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The KOS KOS66 single staircase switch is a reliable electrical component designed for controlling lighting from two different locations. This white wall-mounted switch features a durable construction and a clean aesthetic, making it suitable for residential and commercial interiors. It is ideal for hallways, staircases, and large rooms where convenient multi-point light switching is required.

## Long description

The KOS KOS66 single staircase switch is a functional electrical component engineered for the convenient control of lighting systems from two distinct locations. Finished in a clean white color, this wall-mounted switch integrates seamlessly into various residential and commercial interior designs, offering a reliable solution for managing illumination in high-traffic areas.
Advantages
This switch provides exceptional durability and consistent performance, ensuring long-term reliability for your electrical installations. Its minimalist design allows it to blend into any wall surface without disrupting the aesthetic of the room. By enabling light control from two separate points, it significantly enhances user comfort and energy efficiency in larger spaces.
Suitable for
Hallways and corridors
Staircases
Large rooms with multiple entry points
Residential and commercial lighting systems
This switch is not intended for use in circuits requiring more than two control points, such as intermediate switching setups. It is also not suitable for outdoor environments or areas with high humidity unless installed within an appropriate protective enclosure.
Key specifications
Type: Single staircase switch
Color: White
Mounting: Wall-mounted
Application: Multi-point lighting control
To install the KOS KOS66, ensure the power supply is disconnected at the main circuit breaker. Connect the electrical wiring according to the standard staircase switching diagram, ensuring that the phase wire and the traveler wires are correctly positioned in the terminals. Once wired, secure the switch mechanism into the wall box and attach the cover plate.
What to consider before purchase
Compatibility with your existing electrical wiring
Requirement for two-way switching functionality
Installation space and wall box dimensions
For optimal safety and performance, it is recommended that the installation be performed by a qualified electrician in accordance with local electrical regulations.

## FAQ

### How much does the KOS KOS66 Single Staircase Switch cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 06.07.2026 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 KOS 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 KOS 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/12444477/68747720_large.webp