Introduces the operating instructions of SIEMENS SITOP modular 40A 1/2phasig 6EP1 337-3BA00
The manual provides safety warnings, installation steps, and wiring details for the SITOP 24 V / 40 A power supply. It explains how to configure the unit for single‑phase or two‑phase operation, including the required jumper for 120 V mode and recommended protective devices.
Technical data such as input voltage, output current, efficiency, and environmental limits are listed, along with adjustment procedures, parallel operation instructions, and monitoring functions like LED status indicators.
| Rated input voltage | AC 120/230 V, 50/60 Hz |
|---|---|
| Operating voltage range | 85‑132 V / 176‑264 V |
| Surge resistance | 750 V, 1.3 ms |
| Mains buffering time | 20 ms |
| Input current (120/230 V) | 15 A / 8 A |
| Inrush current limitation (25 °C) | <125 A, <26 A |
| Recommended circuit‑breaker | C or D characteristic, 20 A (10 A) |
| Efficiency at full load | 88 % |
| Power consumption (active power) | 1091 W |
| Output voltage (delivery state) | 24 V ±1 % |
| Output current range | 0‑40 A (derated for <120 V operation) |
| Weight | 2.9 kg |
| Degree of protection | IP20 (IEC 529) |
| Protection class | Class 1 |
| Humidity rating | Climatic category 3K3 |
| Static current limitation | 1.15 × rated current |
A two‑pole circuit‑breaker with characteristic C (or D) and a rating of 20 A (10 A) is recommended.
The typical efficiency at full load is 88 %.
The unit weighs approximately 2.9 kg.