# Siemens 8WD4420-0FA Signal Column Acoustic Module 24V AC/DC

**URL:** https://aio.lv/en/product--siemens-8wd44200fa--1840493
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 8WD44200FA
**EAN:** 4011209497429
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 150.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 124.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-8wd44200fa--1840493

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Courier delivery to door | 16.07.2026 | 53.99 EUR |

## Summary description

The Siemens 8WD4420-0FA is an acoustic signal module designed for 70mm diameter signal columns. It operates on 24V AC/DC and provides both steady and pulsating tone options. This industrial signaling device is essential for status indication in automation systems, control panels, and manufacturing machinery, ensuring reliable auditory feedback in various operational environments.

## Long description

The Siemens 8WD4420-0FA is a high-quality acoustic signal module engineered for integration with 70mm diameter signal columns. Designed for industrial applications, this module operates on a 24V AC/DC power supply and offers versatile auditory feedback through both steady and pulsating tone options. It serves as a critical component for monitoring status in automated systems, control panels, and complex manufacturing machinery, providing clear and reliable alerts in demanding operational environments.
Advantages
This acoustic module stands out due to its robust construction and seamless compatibility with the Siemens modular signal column system. Its ability to switch between steady and pulsating tones allows operators to customize alerts based on specific safety or process requirements. The device is built to withstand industrial conditions, ensuring long-term reliability and consistent performance in environments where auditory status indication is essential for maintaining operational efficiency and safety.
Suitable for
Automation systems and control panels
Manufacturing and assembly lines
Industrial machinery status monitoring
Safety warning systems in production facilities
When it may not be suitable
This module is specifically designed for 70mm diameter signal columns and is not compatible with smaller or larger column systems. It is intended for industrial signaling and may not be appropriate for residential or general consumer alarm applications where different voltage standards or mounting interfaces are required.
Key specifications
Operating voltage: 24V AC/DC
Compatible diameter: 70mm
Tone types: Steady and pulsating
Application: Industrial signaling
How to use
The acoustic module is designed for easy installation within a modular signal column stack. It should be mounted onto the base or other modules of the 70mm signal column system by aligning the mechanical connectors and securing it according to the manufacturer's assembly instructions. Once physically attached, ensure the electrical connections are properly seated to receive the 24V AC/DC supply. The tone mode can typically be configured via the internal settings of the module to suit the specific signaling needs of your application.
What to consider before purchase
Verify that your existing signal column system is 70mm in diameter.
Ensure your power supply provides a stable 24V AC/DC output.
Confirm the mounting position within the signal stack to ensure optimal sound distribution.
Usage recommendations
For optimal performance and safety, ensure that the signal column is installed in a location where the acoustic signal can be clearly heard above ambient industrial noise. Regularly inspect the module for any signs of physical damage or electrical connection issues to maintain reliable operation.

## FAQ

### How much does the Siemens 8WD4420-0FA Acoustic Signal Module cost, and is it available for purchase?

The price is 150.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 13.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 8WD4420-0FA Acoustic Signal Module be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Siemens 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 Siemens 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

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