# Siemens 3RQ4901-0D 16-pole connecting comb for relay modules

**URL:** https://aio.lv/en/product--siemens-3rq4901-0d--12463499
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3RQ4901-0D
**EAN:** 4047621118239
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rq4901-0d--12463499

## 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 3RQ4901-0D is a 16-pole connecting comb designed for efficient wiring of relay modules. This accessory facilitates reliable electrical connections in industrial control panels, supporting a maximum supply current of 10A. It ensures organized and secure installation, reducing wiring time and complexity in modular electrical systems.

## Long description

The Siemens 3RQ4901-0D is a professional 16-pole connecting comb engineered for the efficient and reliable wiring of relay modules within industrial control systems. This accessory is specifically designed to bridge identical potentials across multiple relay units, ensuring a clean and organized installation. By streamlining the connection process, it significantly reduces the time and complexity typically associated with wiring modular electrical systems, while maintaining high standards of safety and electrical integrity.
Advantages
The primary benefit of this connecting comb is its ability to simplify complex wiring tasks by providing a standardized method for distributing power across multiple relay modules. Its robust design ensures a secure electrical contact, which is essential for the stable operation of control panels. Furthermore, the use of this component helps in creating a tidy and professional layout within the cabinet, which facilitates easier maintenance and troubleshooting in the future. The durable construction supports consistent performance in demanding industrial environments.
Suitable for
Industrial control panels and automation systems
Modular relay module configurations
Applications requiring common potential distribution
Projects where reduced wiring time and high reliability are essential
When it may not be suitable
This connecting comb is designed specifically for compatible Siemens relay modules and may not be suitable for use with third-party devices or relay types with different terminal spacing. It is also not intended for applications where the total supply current exceeds the maximum rating of 10A.
Key specifications
Number of poles: 16
Maximum supply current: 10A
Compatibility: SIRIUS relay modules
Function: Connecting identical potentials
How to use
To use the connecting comb, align the 16-pole structure with the terminals of your relay modules. Ensure that the modules are mounted securely on the DIN rail before attempting to insert the comb. Press the comb firmly into the designated terminal slots until it is fully seated and locked in place. Verify that all connections are secure and that the comb is properly aligned to prevent short circuits or loose contacts.
What to consider before purchase
Verify the compatibility of your specific relay module series with this 16-pole accessory.
Ensure that the total current load of your circuit does not exceed the 10A limit.
Check the physical spacing of your relay terminals to ensure a proper fit.
Usage recommendations
Always disconnect the power supply before installing or modifying any electrical components to ensure operator safety and prevent damage to the equipment.

## FAQ

### How much does the Siemens 3RQ4901-0D 16-pole Connecting Comb cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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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