This document describes the features and characteristics of the SITOP Power 10/20/30/40 series products from SIEMENS AG ÖSTERREICH.
The Siemens SITOP Power series provides built‑in 24 V DC power supplies in four current ratings (10 A, 20 A, 30 A, 40 A). This manual contains safety warnings, technical specifications, wiring diagrams, mounting guidelines and connection details for each model.
Installation must follow DIN/VDE standards, with the unit mounted vertically on a DIN rail, input terminals at the top and output terminals at the bottom. The document also describes required protective devices, parallel operation, and environmental limits. This manual is written in German.
| Input voltage | 3‑ph AC 230/400 V to 288/500 V, 50/60 Hz |
|---|---|
| Output voltage | 24 V DC ±1 % |
| Efficiency at full load | 89 % (10 A/20 A), 90 % (30 A/40 A) |
| Maximum output current | 10 A (Power 10), 20 A (Power 20), 30 A (Power 30), 40 A (Power 40) |
A 3‑phase miniature circuit breaker with characteristic C, 4 to 25 A, or an equivalent motor circuit‑breaker (e.g., 3VU1300‑0MJ00 or 3RV1021‑1DA10) must be installed upstream.
Yes, two identical units may be paralleled to increase the available power.