# Siemens 3RQ4914-7BM00 Relay, 1 CO Contact, 24V DC

**URL:** https://aio.lv/en/product--siemens-3rq4914-7bm00--12541305
**Data updated:** 2026-07-06 17:39 (EEST)
**Category:** Other goods
**Manufacturer:** Siemens
**Manufacturer code:** 3RQ4914-7BM00
**EAN:** 4047621124315
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rq4914-7bm00--12541305

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RQ4914-7BM00 is a high-quality industrial relay featuring a single changeover (1 CO) contact configuration. Designed for reliable switching operations, this component operates on a 24V DC control voltage. It is suitable for various automation and control system applications where precise electrical signal management is required for industrial equipment.

## Long description

The Siemens 3RQ4914-7BM00 is a professional-grade industrial relay engineered for precise electrical signal management. Featuring a single changeover (1 CO) contact configuration, this component ensures reliable switching operations within complex automation and control systems. It is designed to operate efficiently on a 24V DC control voltage, making it a robust solution for maintaining consistent performance in industrial environments.
Advantages
This relay offers high operational reliability and durability, which are essential for demanding industrial applications. Its compact design allows for efficient space utilization within control cabinets, while the single changeover contact provides versatile switching capabilities. The unit is built to withstand the rigors of continuous operation, ensuring long-term stability and minimal maintenance requirements for your electrical infrastructure.
Suitable for
Industrial automation systems
Control panel signal switching
Electrical equipment monitoring
Process control applications
When it may not be suitable
This relay is not intended for high-power switching applications that exceed its rated electrical capacity. It should not be used in environments with extreme moisture, corrosive gases, or excessive vibration unless housed in a protective enclosure designed for such conditions.
Key specifications
Contact configuration: 1 changeover (1 CO)
Control voltage: 24V DC
Package dimensions: 93 mm x 95 mm x 65 mm
How to use
The relay should be installed by qualified personnel in accordance with standard electrical safety practices. Ensure that the control circuit is disconnected before mounting the device onto a standard DIN rail or designated base. Connect the 24V DC control supply to the designated terminals and wire the load circuit to the changeover contact terminals. Verify all connections for tightness and proper polarity before energizing the system.
What to consider before purchase
Verify that the 24V DC control voltage matches your existing system requirements.
Ensure the physical dimensions are compatible with your available control cabinet space.
Confirm that the contact rating is sufficient for your specific load requirements.
Usage recommendations
Always perform a functional test of the relay after installation to ensure correct switching behavior. Regularly inspect the terminals for signs of wear or loose connections to maintain optimal system performance.

## Specifications

| Feature | Value |
|---|---|
| Package weight | 7 g |
| Package depth | 95 mm |
| Package height | 65 mm |
| Package width | 93 mm |
| Compliance certificates | CE, RoHS |

## FAQ

### How much does the Siemens 3RQ4914-7BM00 Relay 1 CO 24V DC cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 27.07.2026 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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