# Siemens SIRIUS ACT PROFINET Fail-Safe Interface Module 3SU1400-1LL10-3BA1 with 4DI 1AI 24V DC

**URL:** https://aio.lv/en/product--siemens-3su1400-1ll10-3ba1--12470304
**Data updated:** 2026-05-18 09:40 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3SU1400-1LL10-3BA1
**EAN:** 4047621016924
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 288.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 238.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3su1400-1ll10-3ba1--12470304

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIRIUS ACT 3SU1400-1LL10-3BA1 is a PROFINET fail-safe interface module designed for industrial automation systems. It features 4 digital inputs and 1 analog input, operating at 24V DC with spring-loaded terminals. This module ensures reliable communication and safety integration for control panels, providing robust performance in demanding industrial environments.

## Long description

The Siemens SIRIUS ACT PROFINET fail-safe interface module is a high-performance component designed for seamless integration into industrial automation systems. It serves as a reliable bridge between actuating and signaling elements and the PROFINET communication network, ensuring consistent data exchange and safety monitoring in demanding environments.
Advantages
This interface module stands out due to its innovative snap-on installation concept, which allows for quick, one-handed mounting without the need for specialized tools. The integrated twist prevention simplifies the assembly process, while the robust construction ensures durability against dust, oils, and caustic substances. By utilizing PROFINET connectivity, the module significantly reduces wiring complexity and potential error sources, offering greater flexibility in control panel design and maintenance.
Suitable for
Industrial automation control systems
Safety-critical signaling and actuation applications
Integration of pushbuttons and signaling devices into PROFINET networks
Environments requiring high protection against dust and moisture
When it may not be suitable
This module is specifically designed for PROFINET-based architectures and may not be compatible with systems relying exclusively on older fieldbus protocols without appropriate gateways. It is intended for professional industrial use and may exceed the requirements for simple, non-networked residential or small-scale commercial electrical installations.
Key specifications
Communication protocol: PROFINET
Digital inputs: 4
Analog input: 1 (12-bit A/D resolution)
Digital output: 1
Operating voltage: 24V DC
Connection type: Spring-loaded terminals
Mounting type: Front plate mounting
Capacity: Up to 20 connectable terminal modules
How to use
The module is designed for front plate mounting within industrial control panels. Installation is performed by snapping the unit into a standard mounting hole, where the integrated twist protection secures it in place. Wiring is completed using the spring-loaded terminals, which provide a secure and vibration-resistant connection. Once physically installed, the module must be configured within the PROFINET network environment to establish communication with the main controller.
What to consider before purchase
Ensure your control system supports PROFINET communication.
Verify that the 24V DC power supply requirements match your existing infrastructure.
Check the space availability in your control panel for the module and associated terminal modules.
Confirm the compatibility of your existing actuating and signaling elements with the SIRIUS ACT series.
Usage recommendations
For optimal performance and safety, ensure that all wiring is performed according to the provided technical documentation and that the module is protected from environmental conditions exceeding its specified protection rating. Regularly inspect the spring-loaded terminal connections during routine maintenance to ensure long-term operational reliability.

## FAQ

### How much does the Siemens SIRIUS ACT PROFINET Interface Module 3SU1400-1LL10-3BA1 cost, and is it available for purchase?

The price is 288.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 22.07.2026 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 SIRIUS ACT PROFINET Interface Module 3SU1400-1LL10-3BA1 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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