# Light switch berker 138121 — Duroplast housing, black, 151×80 mm, pack of 2

**URL:** https://aio.lv/en/product--berker-138121--3532377
**Data updated:** 2026-03-20 09:43 (EET)
**Category:** Power Sockets
**Manufacturer:** berker
**Manufacturer code:** 138121
**EAN:** 4011334219095
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--berker-138121--3532377

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

berker 138121 is a light switch with a duroplast housing in black. Dimensions are 151 × 80 mm. Supplied as a pack of 2. Designed for wall installation to control lighting circuits, it offers a durable, non-conductive enclosure suitable for residential and commercial interiors where a compact, robust switch is required.

## Long description

berker 138121 is a wall-mounted light switch designed for controlling lighting circuits in residential and commercial interiors. The unit features a black duroplast housing that provides mechanical strength and electrical insulation. Supplied as a pack of two, each switch measures 151 × 80 mm and is intended for flush installation in standard wall boxes or compatible mounting frames.
Advantages
The duroplast housing offers high resistance to impacts, scratches and ageing while remaining non-conductive and dimensionally stable. The compact 151 × 80 mm footprint fits many installation situations and the black finish provides a neutral, discreet appearance that integrates with varied interior styles. Pack of 2 delivery simplifies replacements or multi-point installations.
Suitable for
Switching indoor lighting circuits in homes and apartments
Use in offices, corridors and utility rooms
Replacement of existing switches with similar dimensions
Multi-point installations where two matching switches are required
Key specifications
Housing material: duroplast (thermoset plastic) for durability and electrical insulation
Colour: black finish for discreet integration
Overall dimensions: 151 × 80 mm (length × width)
Mounting: wall installation compatible with flush mounting and standard mounting frames
Package contents: two identical switches supplied together
How to use
Before installation, switch off the electrical supply at the distribution board and verify power is isolated. Remove the existing cover plate and disconnect wires, noting their positions. Secure the berker switch in the wall box or mounting frame using appropriate screws and attach wiring according to the room’s circuit layout, ensuring correct live and switched-live connections. Restore the cover plate and restore power to test proper switching operation. If unsure about wiring or local regulations, use a qualified electrician to install the product.
Usage recommendations
For long-term performance, avoid exposure to direct sunlight and severe mechanical stress. Clean the surface with a soft, dry or slightly damp cloth; avoid abrasive cleaners and solvents. Verify compatibility with existing frames and wall boxes before purchase to ensure a flush fit.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 80 mm |
| Width | 151 mm |

### Packaging data

| Feature | Value |
|---|---|
| Quantity per pack | 2 pc(s) |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Housing material | Duroplast |

## FAQ

### How much does the Light switch berker 138121 cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 22.07.2026 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 berker 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 berker 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3532377/58446867_large.webp