# Siemens 3RQ2000-1CW01 Coupling Relay, 3-Pole Gold-Plated Contacts, 24-240V AC/DC, Screw Terminals

**URL:** https://aio.lv/en/product--siemens-3rq2000-1cw01--12459029
**Data updated:** 2026-06-12 15:52 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RQ2000-1CW01
**EAN:** 4047621050447
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 58.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rq2000-1cw01--12459029

## 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 3RQ2000-1CW01 is a professional coupling relay designed for industrial applications. It features 3-pole gold-plated contacts for reliable signal transmission and operates within a wide voltage range of 24-240V AC/DC. Equipped with secure screw terminals, this relay ensures stable connectivity and efficient performance in control systems, automation, and electrical switching tasks.

## Long description

The Siemens 3RQ2000-1CW01 is a high-performance coupling relay engineered for industrial control environments. Designed as part of the SIRIUS 3RQ2 series, this device serves as a critical interface for coupling control signals to and from a controller. It features three hard gold-plated changeover contacts, which ensure exceptional contact reliability even when switching low currents. With its wide-range voltage input capability, this relay offers universal compatibility across various electrical systems, effectively reducing the need for multiple device variants and optimizing inventory management.
Advantages
The primary benefit of this coupling relay is its versatility provided by the wide-range voltage input of 24V to 240V AC/DC, allowing it to function seamlessly in diverse industrial setups. The inclusion of hard gold-plated contacts provides superior signal integrity, making it an ideal choice for applications requiring high precision and reliability at low current levels. Furthermore, the industrial enclosure is designed for durability, while the removable screw terminals facilitate rapid installation, efficient wiring, and simplified maintenance or device replacement processes.
Suitable for
Industrial automation and control systems
Signal coupling between controllers and field devices
Applications requiring reliable switching of low-current signals
Electrical systems with varying voltage requirements
When it may not be suitable
This relay may not be suitable for high-power switching applications that exceed the rated current capacity of the contacts. Additionally, if your specific installation environment requires rapid, tool-less push-in connectivity, you may prefer a version with spring-type terminals rather than the screw terminals provided on this model.
Key specifications
Contact configuration: 3 changeover contacts
Contact material: Hard gold-plated
Voltage range: 24V to 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 an industrial control cabinet. Begin by securing the relay to the mounting rail. Connect the control and load wiring to the designated screw terminals, ensuring that all connections are tightened to the specified torque to prevent loose contacts. Verify that the input voltage matches the 24-240V AC/DC range before energizing the system. The removable terminal blocks can be detached to simplify the wiring process before final assembly.
What to consider before purchase
Verify that the 3-pole configuration meets your circuit requirements.
Ensure the screw terminal connection type aligns with your existing wiring standards.
Confirm that the load requirements do not exceed the relay's switching capacity.
Check the available space in your control cabinet for proper mounting.
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 the screw terminal connections during scheduled maintenance to ensure they remain secure.

## FAQ

### How much does the Siemens 3RQ2000-1CW01 Coupling Relay cost, and is it available for purchase?

The price is 70.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 3RQ2000-1CW01 Coupling Relay be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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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