# Siemens 3RC7940-0TE05 Communication Cable for 3RC7 ILM Modules 2m

**URL:** https://aio.lv/en/product--siemens-3rc7940-0te05--12469370
**Data updated:** 2026-05-18 09:42 (EEST)
**Category:** Serial & Parallel Cables
**Manufacturer:** Siemens
**Manufacturer code:** 3RC7940-0TE05
**EAN:** 4047621109770
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rc7940-0te05--12469370

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RC7940-0TE05 is a 2-meter communication cable designed for the serial connection of 3RC7 ILM modules. This essential accessory ensures reliable data transmission and seamless integration between system components, facilitating efficient communication within industrial automation setups. Its robust design supports stable connectivity for professional electrical installations.

## Long description

The Siemens 3RC7940-0TE05 is a specialized communication cable engineered for the reliable serial connection of 3RC7 ILM modules. Measuring 2 meters in length, this cable serves as a critical link in industrial automation systems, ensuring consistent data exchange and seamless integration between individual modules. Its construction is optimized for professional environments where stable signal transmission is required for the effective operation of electrical control systems.
Advantages
This communication cable provides a robust and secure connection that minimizes the risk of signal interference in demanding industrial settings. By facilitating a direct serial link between ILM modules, it simplifies the configuration of complex automation setups and ensures that data integrity is maintained across the entire system. The high-quality materials used in its design contribute to long-term durability and consistent performance, making it a dependable choice for maintaining system uptime.
Suitable for
Serial connection of 3RC7 ILM modules
Industrial automation and control systems
Professional electrical installations requiring reliable data communication
When it may not be suitable
This cable is specifically designed for use with 3RC7 ILM modules and may not be compatible with other hardware interfaces or communication protocols. It is not intended for applications requiring cable lengths exceeding 2 meters or for environments where specialized shielding against extreme electromagnetic interference is required beyond standard industrial specifications.
Key specifications
Cable length: 2 meters
Compatibility: 3RC7 ILM modules
Function: Serial communication and data transmission
How to use
To use the cable, ensure that the power to the 3RC7 ILM modules is switched off to prevent any electrical faults during installation. Insert the connectors into the designated communication ports on the modules until they are firmly seated. Once connected, verify the physical integrity of the cable and ensure it is not under tension or sharp bends. Restore power to the system and check the module status indicators to confirm that communication has been established successfully.
What to consider before purchase
Verify that your specific module series is compatible with the 3RC7 interface
Ensure the 2-meter length is sufficient for your installation layout
Confirm the environmental conditions of your site meet the standard requirements for this cable type
Usage recommendations
Always route the communication cable away from high-voltage power lines to avoid potential signal noise and ensure optimal data transmission performance.

## FAQ

### How much does the Siemens 3RC7940-0TE05 Communication Cable cost, and is it available for purchase?

The price is 33.49 € (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 13.07.2026 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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