# Siemens 3RQ4901-0B 4-pole connecting comb

**URL:** https://aio.lv/en/product--siemens-3rq4901-0b--12463495
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3RQ4901-0B
**EAN:** 4047621118253
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rq4901-0b--12463495

## 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 3RQ4901-0B is a 4-pole connecting comb designed for efficient electrical distribution. This accessory supports a maximum supply current of 10A, ensuring reliable connectivity in modular electrical installations. It is engineered for professional use in industrial and commercial control cabinets, facilitating secure and organized wiring connections between compatible modular devices.

## Long description

The Siemens 4-pole connecting comb is a specialized electrical accessory designed to streamline the wiring process in modular installations. It provides a reliable method for connecting identical potentials across multiple devices, ensuring a clean and organized layout within control cabinets. Engineered for professional industrial and commercial applications, this component supports a maximum supply current of 10A, making it an essential tool for maintaining consistent electrical distribution in SIRIUS relay systems.
Advantages
This connecting comb significantly reduces installation time by eliminating the need for individual jumper wires between adjacent devices. By providing a standardized bridge for electrical potentials, it minimizes the risk of loose connections and wiring errors, contributing to a more robust and safer electrical infrastructure. Its compact design is specifically optimized for space-saving in dense control cabinet environments, while the high-quality construction ensures long-term durability and reliable performance under standard operating conditions.
Suitable for
Connecting identical potentials in modular electrical systems
Industrial control cabinet wiring
Commercial electrical distribution panels
SIRIUS relay installations
When it may not be suitable
This connecting comb is not intended for applications exceeding a maximum supply current of 10A. It is also not compatible with devices that do not feature the specific terminal spacing or design required for this bridge system.
Key specifications
Number of poles: 4
Maximum supply current: 10 A
Function: Connecting identical potentials
Compatibility: SIRIUS relay series
How to use
To use the connecting comb, ensure that the power supply to the control cabinet is completely disconnected. Align the comb pins with the corresponding terminal slots on the compatible modular devices. Press the comb firmly into the terminals until it is fully seated and secure. Verify that all connections are tight and that the comb is correctly positioned before restoring power to the system.
What to consider before purchase
Verify the current requirements of your circuit do not exceed 10A
Ensure compatibility with your specific model of SIRIUS relay
Check the physical spacing of your modular devices
Usage recommendations
Always inspect the connecting comb for any signs of physical damage or oxidation before installation. Ensure that the device is installed in a clean, dry environment to maintain optimal electrical conductivity and prevent short circuits.

## FAQ

### How much does the Siemens 3RQ4901-0B 4-pole connecting comb cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 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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