# Siemens 3SU1400-1AA10-1CA0 Auxiliary Contact Module, 1 NC, Front Mounting

**URL:** https://aio.lv/en/product--siemens-3su1400-1aa10-1ca0--3233802
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** Siemens
**Manufacturer code:** 3SU1400-1AA10-1CA0
**EAN:** 4011209950887
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3su1400-1aa10-1ca0--3233802

## 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 3SU1400-1AA10-1CA0 is a high-quality auxiliary contact module designed for industrial control applications. Featuring a 1 NC (normally closed) configuration, this component is intended for front mounting within the SIRIUS ACT series. It ensures reliable switching performance and seamless integration into control panels and automation systems, providing essential feedback for various electrical circuit operations.

## Long description

The Siemens 3SU1400-1AA10-1CA0 auxiliary contact module is a precision-engineered component designed for integration into industrial control systems. As part of the SIRIUS ACT series, this module provides a reliable 1 NC (normally closed) switching function, essential for monitoring and controlling electrical circuits within automation panels. Its robust construction ensures consistent performance in demanding industrial environments, facilitating seamless communication between control devices and the broader electrical infrastructure.
Advantages
This auxiliary contact module offers exceptional reliability and durability, meeting the high standards expected of Siemens industrial components. Its design allows for straightforward front mounting, which significantly simplifies the installation process and reduces maintenance time. The compact form factor ensures efficient use of space within control cabinets, while the high-quality materials used in its construction guarantee long-term operational stability and precise switching feedback for critical automation tasks.
Suitable for
Industrial automation and control systems
Integration into SIRIUS ACT push-button and signaling units
Electrical circuit monitoring and feedback loops
Control panel assembly and machine safety applications
When it may not be suitable
This module is specifically designed for the SIRIUS ACT series and may not be compatible with other product lines or non-standard mounting configurations. It is not intended for high-power switching applications, as it is strictly an auxiliary device for signal processing.
Key specifications
Contact configuration: 1 NC (Normally Closed)
Mounting type: Front mounting
Series compatibility: SIRIUS ACT
Application: Industrial control and signaling
How to use
The module is designed for easy installation onto the back of a front-mounted actuator within the SIRIUS ACT system. To install, align the module with the mounting points on the actuator and snap it into place until it is securely locked. Ensure that the electrical connections are properly wired according to the circuit diagram of your control system. Always verify that the power supply is disconnected before performing any installation or maintenance work to ensure safety.
What to consider before purchase
Verify compatibility with your existing SIRIUS ACT actuator units
Confirm that a 1 NC configuration meets your specific circuit requirements
Ensure sufficient space is available within your control cabinet for front-mounted components
Usage recommendations
For optimal performance and safety, ensure that the module is installed by qualified personnel in accordance with local electrical regulations. Regularly inspect the connections to ensure they remain secure and free from debris or oxidation.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Siemens 3SU1400-1AA10-1CA0 Auxiliary Contact Module cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 357 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. 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

https://aio.lv/img/cache/product/3233802/58289263_large.webp