# Siemens 8WD4420-5AB LED Signalling Column Module, 24V AC/DC, Continuous Light, 70mm

**URL:** https://aio.lv/en/product--siemens-8wd4420-5ab--12468924
**Data updated:** 2026-05-18 09:32 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 8WD4420-5AB
**EAN:** 4011209497214
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 61.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 51.23 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-8wd4420-5ab--12468924

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 8WD4420-5AB is a 70mm diameter LED signalling column module designed for industrial status indication. It features a continuous red light output and operates on a 24V AC/DC power supply. This modular component is essential for building custom signal towers in automation systems, providing reliable visual feedback for machine status monitoring and safety applications in various industrial environments.

## Long description

The Siemens 8WD4420-5AB is a high-quality 70mm LED signalling column module designed for clear and reliable status indication in industrial automation environments. This continuous light element provides a steady red visual signal, ensuring that machine operators can quickly identify equipment states or safety warnings. Engineered for durability and performance, this module is a core component of the SIRIUS 8WD44 modular system, allowing for flexible configuration of signal towers tailored to specific operational requirements.
Advantages
This signalling module utilizes advanced LED technology to ensure optimal light distribution and long-term operational reliability. The rugged construction makes it highly resistant to mechanical shocks and vibrations, which is essential for demanding industrial settings. Its modular design features a secure bayonet mechanism, facilitating rapid installation and easy replacement of light elements without the need for complex tools. Furthermore, the unit is designed for high-degree protection, ensuring consistent performance even in challenging environments.
Suitable for
Visual status monitoring of automated production lines
Safety warning systems in manufacturing facilities
Process control indication in complex machinery
Custom signal tower configurations for industrial equipment
When it may not be suitable
This module is not intended for use in explosive atmospheres or environments requiring specific hazardous area certifications unless integrated into an appropriately rated housing. It is also not suitable for applications requiring high-intensity strobe or rotating light patterns, as this specific model is designed exclusively for continuous light output.
Key specifications
Light type: Continuous LED
Color: Red
Operating voltage: 24V AC/DC
Diameter: 70mm
Mounting system: Bayonet mechanism
Compatibility: SIRIUS 8WD44 modular signalling columns
How to use
To install the module, align the bayonet coupling with the base or the preceding module in your signal tower assembly. Gently press down and rotate clockwise until the module locks securely into place. Ensure that the power supply is disconnected before installation. Once mechanically secured, the electrical connection is established automatically through the internal contacts of the modular system. Verify that the 24V AC/DC power source is correctly wired to the base unit to activate the continuous red light.
What to consider before purchase
Verify that your existing signal tower base supports the 70mm diameter standard.
Ensure your power supply matches the 24V AC/DC requirement.
Check if additional mounting accessories like pipes or brackets are needed for your specific installation.
Confirm that the continuous red light meets your specific safety or operational signaling standards.
Usage recommendations
For optimal visibility and system longevity, it is recommended to clean the outer lens periodically with a soft, dry cloth. Avoid using abrasive chemicals that may cloud the polycarbonate surface. If the module is part of a tall signal tower, ensure the base is mounted on a vibration-dampened surface to maintain structural integrity.

## FAQ

### How much does the Siemens 8WD4420-5AB LED Signalling Column Module cost, and is it available for purchase?

The price is 61.99 € (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 14.07.2026 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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