# Intercom bus telephone S. Siedle & Soehne BTC 850-02 W white IP54 for indoor use

**URL:** https://aio.lv/en/product--s-siedle-soehne-200040116-00--3440083
**Data updated:** 2026-02-12 09:52 (EET)
**Category:** Landline Phones
**Manufacturer:** S. Siedle & Soehne
**Manufacturer code:** 200040116-00
**EAN:** 4015739401161
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 241.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 199.58 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--s-siedle-soehne-200040116-00--3440083

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

S. Siedle & Soehne Bus Telephone BTC 850-02 W is a white indoor intercom unit with IP54 protection. Designed for bus or public-transport communication, it provides a compact, wall-mounted voice interface for driver-to-passenger or inter-vehicle calls. Suitable for installations requiring splash and dust resistance; intended for indoor use and compatible with Siedle systems.

## Long description

S. Siedle & Soehne BTC 850-02 W is a compact white intercom bus telephone designed for indoor installations requiring splash and dust resistance. The unit provides a wall-mounted voice interface for driver-to-passenger and inter-vehicle communications within public-transport vehicles or vehicle terminals. With an IP54 rating, the handset and housing are protected against limited dust ingress and splashing water, making the device suitable for demanding indoor transport environments and service areas where robustness and clear voice transmission are required.
Advantages
The BTC 850-02 W offers a space-saving design with straightforward mounting that integrates into existing Siedle systems. Its IP54 protection ensures reliable operation in environments prone to moisture or particulate exposure without compromising speech clarity. The white finish provides a neutral appearance for interior vehicle cabins or station areas, while the handset and controls are optimized for frequent use and intuitive operation by drivers and staff.
Suitable for
 Driver-to-passenger communication inside buses, trams and coaches
 Inter-vehicle voice links and depot communication points
 Indoor station or terminal communication points exposed to splashes or dust
 Retrofit or new installations compatible with Siedle bus systems
Key specifications
 Form factor: compact wall-mounted intercom handset
 Protection class: IP54 (splash and limited dust resistance)
 Color: white
 Intended environment: indoor transport and terminal use
 Audio: voice communication handset optimized for speech clarity
 Compatibility: designed for connection to Siedle bus communication systems
How to use
Install the BTC 850-02 W on a vertical surface using appropriate mounting hardware and wiring practices for the vehicle or indoor installation. Connect the unit to the Siedle bus system following the manufacturer's wiring scheme and ensure power and bus lines meet system specifications. Use the handset for direct voice calls between driver and passengers or between vehicle units; operate controls according to system configuration to initiate and end calls. Perform a functional test after installation to verify clear audio, correct signaling and stable connection on the bus network.
Usage recommendations
Place the device where it is easily reachable by operators and protected from direct spray zones; for cleaning, use a damp cloth and avoid high-pressure water jets. Schedule periodic checks of wiring connections and handset condition to maintain reliable voice communication in transport environments.

## FAQ

### How much does the S. Siedle & Soehne BTC 850-02 W bus telephone cost, and is it available for purchase?

The price is 241.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 29.07.2026 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. 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 S. Siedle & Soehne 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 S. Siedle & Soehne 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/3440083/47494846_large.webp