Collection: Siemens Simatic S7-400

The Siemens Simatic S7-400 series is a powerful and flexible PLC platform widely used for complex automation tasks in industries like manufacturing, power, and process control. At DcsSupplier Limited, we supply original S7-400 CPU modules, communication processors, power supplies, digital and analog I/O modules, and interface cards. Known for high performance and scalability, the S7-400 enables reliable control of large-scale automation systems. All parts are genuine, fully tested, and available for fast global delivery with expert technical support to help maintain and upgrade your automation infrastructure.