Siemens: The SIRIUS Modular System
The SIRIUS modular system with its components for the switching, starting, protection and monitoring of motors and industrial systems stands for the fast, flexible and space-saving construction of control cabinets. The SIRIUS modular system in sizes S00 to S3 up to 55 kW/400 V (AC-3: 110 A) has been completely revised with respect to both the main and the control circuits.