# KOS VENA Double Staircase Switch, 16AX 250V, Matte Black, Without Frame

**URL:** https://aio.lv/en/product--kos-510919--12461969
**Data updated:** 2026-05-18 09:32 (EEST)
**Category:** Smart Switches
**Manufacturer:** KOS
**Manufacturer code:** 510919
**EAN:** 5901845829366
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kos-510919--12461969

## 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 KOS VENA double staircase switch is a high-quality electrical component designed for controlling lighting from two different locations. Rated at 16AX 250V, this matte black switch features a sleek, frameless design suitable for modern interiors. It provides reliable operation and seamless integration into standard electrical installations, ensuring durability and functional elegance for residential or commercial lighting control systems.

## Long description

The KOS VENA double staircase switch is a high-quality electrical component engineered for the efficient control of lighting systems from two distinct locations. Featuring a sophisticated matte black finish and a minimalist frameless design, this switch integrates seamlessly into contemporary interior aesthetics. It is built to handle a load of 16AX at 250V, providing reliable performance and long-term durability for both residential and commercial lighting installations.
Advantages
This double staircase switch offers a refined aesthetic appeal thanks to its matte black surface, which complements modern decor styles. The frameless construction ensures a clean and unobtrusive look on any wall surface. Beyond its visual benefits, the component is designed for robust operation, meeting standard electrical requirements for safety and longevity. Its intuitive design allows for easy installation into existing electrical boxes, making it a practical choice for upgrading or completing lighting control systems.
Suitable for
Controlling lighting from two different locations, such as hallways or stairwells.
Modern residential interiors requiring a sleek, matte black finish.
Commercial spaces where functional elegance and reliable switching are prioritized.
When it may not be suitable
This switch is not intended for use in circuits exceeding its 16AX 250V rating. It is also not compatible with installations that require a frame, as this specific model is designed for a frameless aesthetic.
Key specifications
Rated current: 16AX
Rated voltage: 250V
Color: Matte black
Design: Double staircase switch, frameless
How to use
The switch should be installed by a qualified electrician in accordance with local electrical regulations. Ensure the power supply is disconnected before beginning the installation process. The wiring should be connected to the appropriate terminals on the back of the switch mechanism, following the standard wiring diagram for staircase switching. Once the wires are secured, the switch can be mounted into the wall box. After installation, restore the power and test the switch to ensure both points of control operate the lighting correctly.
What to consider before purchase
Verify that your existing wall box is compatible with this specific switch model.
Ensure the electrical load of your lighting system does not exceed the 16AX rating.
Confirm that the matte black finish matches your interior design requirements.
Note that this product is sold without a frame and requires a compatible mounting setup.
Usage recommendations
For optimal performance and safety, always ensure that the electrical connections are tight and that the switch is kept clean from dust or moisture. Avoid using abrasive cleaning agents on the matte surface to maintain its appearance over time.

## FAQ

### How much does the KOS VENA Double Staircase Switch 510919 cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 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/12461969/68763845_large.webp