# Dimmer module Kontakt‑Simon DS9L.01/48 — Kontakt‑Simon SI311, phase dimming module 48V

**URL:** https://aio.lv/en/product--kontakt-simon-si311--12106567
**Data updated:** 2026-03-20 09:57 (EET)
**Category:** Smart Switches
**Manufacturer:** Kontakt-Simon
**Manufacturer code:** SI311
**EAN:** 5902787825997
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 42.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 35.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kontakt-simon-si311--12106567

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 31.07.2026 | free |
| Pickup points | 05.08.2026 | 1.89 EUR |
| Courier delivery to door | 05.08.2026 | 4.99 EUR |

## Summary description

Kontakt‑Simon DS9L.01/48 is a dimmer module (MPN SI311) designed for controlling lighting intensity. The unit supports phase dimming control compatible with low‑voltage 48V systems and integrates into electrical installations for adjustable illumination. Suitable for residential and commercial lighting applications where precise brightness regulation is required.

## Long description

Kontakt‑Simon DS9L.01/48 is a phase dimming module designed to provide smooth and precise control of lighting intensity in low‑voltage 48V systems. The device integrates into electrical installations to manage brightness levels for a range of lighting fixtures, supporting environments where adjustable illumination and compatibility with phase dimming control are required.
Advantages
The dimmer module offers phase dimming compatibility for 48V low‑voltage installations, enabling fine adjustment of light output without changing lamps or fixtures. Its design allows integration into residential and commercial electrical systems, providing stable performance and repeatable dimming behavior. The compact module simplifies installation and reduces the need for multiple control devices in a lighting circuit.
Suitable for
Low‑voltage 48V LED lighting systems
Indoor residential lighting with dimmable fixtures
Commercial spaces requiring adjustable ambient lighting
Lighting retrofit projects where phase dimming is preferred
Key specifications
Dimming method: phase dimming
Supply compatibility: low‑voltage 48V systems
Application: control of lighting intensity for dimmable lamps and LED drivers compatible with phase control
Form factor: compact module for integration into electrical enclosures or mounting points
Intended environment: indoor electrical installations for residential and commercial use
How to use
Install the dimmer module into the electrical circuit according to local regulations and the manufacturer's mounting instructions. Connect the module to the 48V supply and to the load (dimmable lighting fixtures or compatible LED drivers) observing correct polarity and wiring practices. Configure any control inputs or linking required by the installation to enable phase dimming control. After wiring, test the system across the full dimming range to ensure smooth, flicker‑free operation and verify compatibility with the connected lamps or drivers.
Usage recommendations
Use the module in systems and with luminaires specified for phase dimming at 48V. Verify that LED drivers or fixtures are compatible with phase control to avoid flicker or reduced dimming range. Follow safety standards and engage a qualified electrician for installation and commissioning to ensure proper wiring and protection.

## FAQ

### How much does the Dimmer module Kontakt‑Simon DS9L.01/48 SI311 cost, and is it available for purchase?

The price is 42.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 31.07.2026 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 Kontakt-Simon 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 Kontakt-Simon 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 Dimmer module Kontakt‑Simon DS9L.01/48 SI311?

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/12106567/67654691_large.webp