# Siemens 3RQ2000-1BW00 Coupling Relay, 2 Changeover Contacts, 24-240V AC/DC, Screw Terminals

**URL:** https://aio.lv/en/product--siemens-3rq2000-1bw00--12469044
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RQ2000-1BW00
**EAN:** 4047621050355
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 45.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rq2000-1bw00--12469044

## 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 3RQ2000-1BW00 is a high-quality industrial coupling relay designed for reliable signal transmission and electrical isolation. It features 2 changeover contacts and supports a wide control voltage range of 24-240V AC/DC. Equipped with secure screw terminals, this relay is ideal for automation systems, control panels, and industrial machinery requiring robust switching performance.

## Long description

The Siemens 3RQ2000-1BW00 is a high-performance coupling relay designed for industrial automation and control systems. This device serves as a reliable interface for transmitting control signals between controllers and field equipment, ensuring electrical isolation and operational safety. Engineered for versatility, it features a wide-range voltage input that supports both AC and DC power sources, simplifying inventory management by reducing the number of required variants.
Advantages
This coupling relay offers exceptional contact reliability, maintaining consistent performance even when switching low currents. The industrial-grade enclosure provides robust protection, while the inclusion of removable terminals facilitates rapid wiring and straightforward device replacement during maintenance. By consolidating multiple voltage requirements into a single unit, this relay helps optimize system design and reduces overall procurement costs for complex automation projects.
Suitable for
Industrial automation systems
Control panel signal transmission
Interfacing between controllers and field devices
General industrial machinery control
When it may not be suitable
This relay is not intended for high-power switching applications that exceed its specified current and voltage ratings. It is also not suitable for environments requiring specialized hazardous area certifications unless specifically rated for such conditions.
Key specifications
2 changeover contacts
Control voltage range: 24-240V AC/DC
Connection type: Screw terminals
Series: SIRIUS 3RQ2
How to use
Installation should be performed by qualified personnel in accordance with local electrical standards. The device is designed for mounting within a control cabinet. Connect the control signal wires and the load circuit wires to the designated screw terminals, ensuring that all connections are tightened to the specified torque. Verify that the input voltage matches the supported range before energizing the circuit.
What to consider before purchase
Ensure the number of contacts meets your circuit requirements
Verify that the screw terminal connection type is compatible with your existing wiring infrastructure
Check the physical dimensions to ensure adequate space within your control panel
Usage recommendations
For optimal performance and longevity, ensure the relay is installed in an environment free from excessive dust, moisture, and extreme vibrations. Regularly inspect terminal connections to maintain secure electrical contact over the service life of the device.

## FAQ

### How much does the Siemens 3RQ2000-1BW00 Coupling Relay cost, and is it available for purchase?

The price is 55.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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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