# Siemens 6ED1055-1MB00-0BA2 LOGO! Expansion Module, 4 Relay Outputs, 12-24V DC

**URL:** https://aio.lv/en/product--siemens-6ed1055-1mb00-0ba2--1778296
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 6ED1055-1MB00-0BA2
**EAN:** 4034106029456
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 97.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 80.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6ed1055-1mb00-0ba2--1778296

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Siemens 6ED1055-1MB00-0BA2 is a digital expansion module for LOGO! logic modules. It features 4 relay outputs designed for switching electrical loads. Operating with a DC voltage range of 12-24V and a current rating of 5A, this module is essential for extending the I/O capacity of industrial automation systems. Its compact design ensures reliable integration into control cabinets for various monitoring and switching applications.

## Long description

The Siemens LOGO! Expansion Module is a high-quality digital extension unit designed to increase the input and output capabilities of Siemens LOGO! logic modules. This specific model provides four relay outputs, allowing for the efficient switching of various electrical loads within an industrial automation environment. Engineered for reliability and precision, the module operates seamlessly within a 12-24V DC voltage range and supports a current rating of 5A, making it a robust solution for expanding control system functionality.
Advantages
This expansion module offers significant benefits for system integrators and engineers looking to scale their automation projects. Its compact physical footprint allows for space-saving installation within standard control cabinets, ensuring that it fits easily alongside existing hardware. The relay output design provides excellent electrical isolation and versatility, enabling the control of diverse devices such as contactors, valves, or indicator lights. By integrating this module, users can enhance the complexity and responsiveness of their control logic without the need for a complete system overhaul.
Suitable for
Expanding I/O capacity in industrial automation systems
Switching electrical loads in control cabinets
Monitoring and control applications in small-scale machinery
Building automation and lighting control systems
When it may not be suitable
This module is not intended for applications requiring high-speed switching or analog signal processing, as it is strictly a digital relay output device. Furthermore, it is not suitable for environments where the electrical load exceeds the specified 5A current rating or where AC voltage switching is required outside of the module's rated relay specifications.
Key specifications
Number of relay outputs: 4
Operating voltage: 12-24V DC
Maximum switching current: 5A
Compatibility: Siemens LOGO! logic modules
Mounting: Standard DIN rail or wall mounting
How to use
To install the module, connect it to the existing LOGO! base unit using the integrated interface connector. Ensure that the power supply is disconnected before making any wiring connections to the relay terminals. Once physically mounted on a DIN rail, configure the LOGO! software to recognize the additional outputs. Verify that the load connected to the relay outputs does not exceed the maximum current rating to prevent damage to the internal contacts.
What to consider before purchase
Verify compatibility with your existing LOGO! base module version
Ensure the 12-24V DC power supply is stable and sufficient
Check that the 5A relay capacity meets the requirements of your connected loads
Confirm available space in your control cabinet for the expansion unit
Usage recommendations
Always ensure that the relay outputs are protected by appropriate fuses or circuit breakers to prevent damage from short circuits or overcurrent conditions. Regularly inspect the terminal connections to maintain optimal electrical contact and system reliability.

## Specifications

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 35.5 x 58 x 90 |
| Operating temperature (T-T) | 0 - 55 |
| Product colour | Grey |
| Current | 5 A |
| DC voltage range | 12 - 24 |
| Number of modules | 2 |
| Number of contacts | 4 |

## FAQ

### How much does the Siemens 6ED1055-1MB00-0BA2 LOGO! Expansion Module cost, and is it available for purchase?

The price is 97.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 16.07.2026 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 6ED1055-1MB00-0BA2 LOGO! Expansion Module 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

### Where can I download the instructions for Siemens 6ED1055-1MB00-0BA2 LOGO! Expansion Module?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1778296/58080357_large.webp