# Siemens 8WD4400-1AC Signalling Column Steady Light Module

**URL:** https://aio.lv/en/product--siemens-8wd4400-1ac--12460857
**Data updated:** 2026-05-18 09:37 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 8WD4400-1AC
**EAN:** 4011209496873
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 25.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-8wd4400-1ac--12460857

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The Siemens 8WD4400-1AC is a steady light module designed for signalling columns. This component provides reliable visual status indication in industrial automation systems. It supports a wide voltage range of 12-230V AC/DC, offering flexibility for various control panel and machine monitoring applications. The module is engineered for durability and easy integration into modular signalling towers.

## Long description

The Siemens 8WD4400-1AC is a professional steady light module designed for integration into modular signalling columns. This component serves as a reliable visual status indicator for industrial automation systems, providing clear feedback on machine states or process conditions. With a diameter of 70 mm and a robust design, it is engineered to withstand demanding environments, offering high resistance to shocks and vibrations.
Advantages
The module features a secure bayonet mechanism that ensures both simple installation and rapid replacement of light elements, minimizing downtime during maintenance. Its versatile design supports a wide voltage range of 12-230V AC/DC, allowing for flexible application across various control panels and machine monitoring setups. The unit is built for durability, ensuring long-term performance in industrial settings where reliable visual signalling is critical for operational safety and efficiency.
Suitable for
Visual status indication in industrial automation
Machine monitoring and process control
Modular signalling towers for warning systems
Complex process management in manufacturing
This module may not be suitable for applications requiring integrated light sources, as it is supplied without a bulb. It is also not intended for standalone use without a compatible signalling column base or additional mounting accessories.
Key specifications
Diameter: 70 mm
Light type: Steady light
Voltage range: 12-230 V AC/DC
Socket type: BA15d
Mounting: Modular bayonet system
To use the module, attach it to a compatible Siemens SIRIUS 8WD signalling column base using the integrated bayonet mechanism. Ensure that a suitable light source with a BA15d base is installed within the module before powering the system. The modular design allows you to stack multiple elements to create a customized signalling tower tailored to your specific monitoring requirements.
What to consider before purchase
Ensure the BA15d light source is purchased separately
Verify compatibility with your existing 70 mm signalling column system
Check that the power supply matches the 12-230V AC/DC range
For optimal performance and visibility, ensure the signalling column is mounted in a location free from significant obstructions and consider using LED light sources for improved energy efficiency and light distribution.

## FAQ

### How much does the Siemens 8WD4400-1AC Signalling Column Steady Light cost, and is it available for purchase?

The price is 30.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 15.07.2026 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 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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