Siemens 6ES5155-3UA21 SIMATIC S5-155U Central Controller – 24V DC 5V 40A CPU Module for Industrial Automation
The Siemens 6ES5155-3UA21 is a genuine central controller tailored for SIMATIC S5-155U systems, serving as the core of industrial automation setups. It integrates a 24V DC power supply and delivers 5V 40A output, ensuring stable power and efficient data processing for connected modules. Built with Siemens’ industrial-grade durability, it operates reliably in harsh manufacturing, energy, and process control environments. This original module supports flexible system expansion, guarantees seamless compatibility with S5-series components, and comes with a 1-year warranty plus pre-shipment testing to minimize downtime.
