# Surface-mounted extension box Kontakt-Simon TSH/143 for LINE/DUO frames — expands single folding TSC box, matte aluminium finish

**URL:** https://aio.lv/en/product--kontakt-simon-tsh143--12112733
**Data updated:** 2026-03-20 10:04 (EET)
**Category:** Power Sockets
**Manufacturer:** Kontakt-Simon
**Manufacturer code:** TSH/143
**EAN:** 5902787885687
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kontakt-simon-tsh143--12112733

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Kontakt-Simon surface-mounted extension box TSH/143 is an accessory for LINE/DUO frame systems that expands a single folding TSC box. Designed for installation with multiple frames, it provides a matte aluminium finish and mechanical compatibility with Kontakt-Simon modular wiring frames. Use it to add depth or adapt an existing single TSC module into multi-module LINE/DUO assemblies in residential or commercial electrical installations.

## Long description

Kontakt-Simon surface-mounted extension box TSH/143 for LINE/DUO frames is an accessory designed to expand a single folding TSC box into a multi-module assembly. It provides additional installation depth for surface-mounted applications and matches the matte aluminium finish commonly used with Kontakt-Simon LINE/DUO frame systems. The extension is intended for mechanical compatibility with modular wiring frames, enabling adaptation of existing single-module installations into wider LINE/DUO layouts without changing the original frame series.
Advantages
The extension box increases mounting depth while maintaining consistent appearance with matte aluminium LINE/DUO frames. It is suitable for surface-mounted installations, offering a practical way to expand a single folding TSC box into a multi-module configuration. The component is designed to integrate mechanically with Kontakt-Simon modular frames, reducing the need for additional structural modifications and preserving the overall aesthetic of the installation.
Suitable for
 Expanding a single folding TSC box into multi-module LINE/DUO assemblies
 Surface-mounted electrical installations in residential and commercial buildings
 Retrofit projects where additional depth or module space is required
 Matching matte aluminium interior fittings and frame systems
Key specifications
 Type: surface-mounted extension box for modular frames
 Compatibility: designed for LINE/DUO frame systems and single folding TSC boxes
 Finish: matte aluminium appearance
 Function: increases installation depth and allows multi-module configuration
 Mounting: surface-mounted applications
How to use
Position the extension box behind the existing single folding TSC module, aligning mechanical guides and fixing points with the LINE/DUO frame. Secure the extension to the surface according to standard mounting practice for surface-mounted boxes, then attach the original TSC box and additional frame elements to achieve the desired multi-module layout. Verify that all mechanical latches and frame edges are properly engaged and that the finish aligns visually with surrounding frames.
Usage recommendations
Use the extension box in combination with compatible Kontakt-Simon LINE/DUO frames and TSC modules; inspect mechanical fit before final fastening and follow local electrical installation regulations when extending or modifying existing installations.

## FAQ

### How much does the Kontakt-Simon TSH/143 surface extension box cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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 23.07.2026 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

## Image

https://aio.lv/img/cache/product/12112733/67648262_large.webp