# Siemens 3RC7940-0TE03 Communication Cable for 3RC7 ILM Modules 0.75m

**URL:** https://aio.lv/en/product--siemens-3rc7940-0te03--12445984
**Data updated:** 2026-05-18 02:45 (EEST)
**Category:** Serial & Parallel Cables
**Manufacturer:** Siemens
**Manufacturer code:** 3RC7940-0TE03
**EAN:** 4047621109756
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rc7940-0te03--12445984

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RC7940-0TE03 is a dedicated communication cable designed for the serial connection of 3RC7 ILM modules. With a length of 0.75 meters, this cable ensures reliable data transmission and seamless integration within industrial automation systems. It is an essential component for establishing efficient communication links between modular units in professional electrical installations.

## Long description

The Siemens 3RC7940-0TE03 is a specialized communication cable engineered for the reliable serial connection of 3RC7 ILM modules within industrial automation environments. Measuring 0.75 meters in length, this cable facilitates stable data exchange and ensures that modular units function as a cohesive system. It is designed to meet the rigorous demands of professional electrical installations, providing a secure and efficient link for system integration.
Advantages
This communication cable offers high-quality signal integrity, which is critical for maintaining consistent performance in automated control systems. Its robust construction ensures durability in demanding industrial settings, while the precise length of 0.75 meters helps maintain an organized and efficient wiring layout, reducing signal interference and simplifying the installation process for modular components.
Suitable for
Serial connection of 3RC7 ILM modules
Industrial automation and control systems
Professional electrical infrastructure projects
Modular unit integration
When it may not be suitable
This cable is specifically designed for 3RC7 ILM modules and may not be compatible with other communication protocols or hardware interfaces. It is not intended for applications requiring long-distance data transmission due to its fixed 0.75-meter length.
Key specifications
Cable length: 0.75 meters
Compatibility: 3RC7 ILM modules
Connection type: Serial communication
How to use
To use the cable, ensure that the power to the 3RC7 ILM modules is disconnected before installation. Align the connectors with the corresponding ports on the modules and insert them firmly until they click or are securely fastened. Once connected, verify the physical integrity of the link and restore power to the system to initiate communication between the modules.
What to consider before purchase
Verify that your specific hardware is part of the 3RC7 ILM series
Ensure the 0.75-meter length is sufficient for your module spacing
Check for proper cable routing to avoid sharp bends or mechanical stress
Usage recommendations
Always ensure that the cable is routed away from high-voltage power lines to prevent electromagnetic interference and maintain optimal data transmission quality.

## FAQ

### How much does the Siemens 3RC7940-0TE03 Communication Cable cost, and is it available for purchase?

The price is 18.99 € (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 08.07.2026 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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