SIEMENS 3SU1400-1LK10-3AA1

Siemens SIRIUS ACT AS-Interface Module

Description

The 3SU1400-1LK10-3AA1 is a reliable AS-Interface module from the Siemens SIRIUS ACT series. It is designed to connect a 4-position selector switch or key-operated switch to the AS-i bus, simplifying wiring and enabling advanced diagnostics. This module is a core component for building modern, decentralized control stations in industrial automation environments.

Specifications

• Manufacturer: Siemens
• Part Number: 3SU1400-1LK10-3AA1
• Product Family: SIRIUS ACT
• Module Type: AS-Interface Module
• Supply Voltage: 24V DC via AS-i bus
• Inputs/Outputs: 1 x 1…4I, 1 x 1O
• Connection Type: Screw terminals

Label Info

• Model: 3SU1400-1LK10-3AA1
• Supply: 24VDC
• Standard: IEC/EN 60947-5-1

Application

This module is ideal for applications requiring the integration of multi-position control devices into an AS-Interface network, commonly found in manufacturing lines, material handling systems, and process control panels.

Country of Origin

Made in the Czech Republic.

CO2 Impact

By choosing this pre-owned component, you are saving approximately 3.0 kg of CO2 emissions compared to a new purchase, contributing to a more sustainable industrial sector.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?
What is the function of the *E04* product state (PS) marking on this 3SU1400-1LK10-3AA1 module?

The *E04* or similar marking indicates the Product State or firmware/hardware version. It is important for compatibility, especially when replacing modules in an existing system, as newer versions may have different features or behavior. Always check the required PS for your application.

Question?
Can this AS-Interface module be used with any 3SU1 pushbutton, or only specific types?

This specific module, 3SU1400-1LK10-3AA1, is designed for use with 4-position selector switches or key-operated switches within the Siemens 3SU1 series. Using it with other devices like standard pushbuttons might not utilize its full functionality or work as intended.

Question?
How do I correctly set the AS-i address for this module?

The AS-i address is typically set using an AS-i addressing unit or through the AS-i master configuration software. This module does not have physical DIP switches for addressing. The address needs to be programmed into the device before it can communicate on the AS-i bus.

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Last Update: Friday, March 13, 2026