SITOP PSU6200 Power Supplies Siemens SITOP PSU6200 Power Supplies (PSUs) provide high-performance and focused diagnostics. SITOP PSU6200 1- or 3-phase PSUs are designed for 12V, 24V, and 48V standard applications. These power supplies provide permanent condition monitoring thanks to integration in the automation system via the diagnostics interface. A diagnostics monitor on the front of the LED display shows the power supply's DC condition, capacity utilization, or operating hours. PSU6200 also ensures a high safety level while the system is operating. The supplies provide 150% extra power for up to 5s per minute, constant current for short-term overloads, and Hiccup mode. The devices also enable fast and error-free wiring.