Dual-Voltage Power Source for S5-95U and S5-100U Systems
The 6EW1380-1AA serves as a dedicated power supply module within the SIMATIC S5 family. Engineers deploy this unit to energize S5-95U and S5-100U programmable controllers. Consequently, the module converts mains AC power into the dual DC rails that S5 systems require for proper operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6EW1380-1AA |
| Manufacturer | Siemens |
| Series | SIMATIC S5 |
| Module Type | System Power Supply |
| Input Voltage | 120V AC / 230V AC (jumper selectable) |
| Input Frequency | 50/60 Hz |
| Output Voltage 1 | 5V DC (logic circuits) |
| Output Voltage 2 | 24V DC (sensors and I/O) |
| Output Current | 5V @ 4–6A, 24V @ 1–2A |
| Total Power | Approximately 30W–50W |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -25°C to +70°C |
| Protection Class | IP20 |
| Mounting | DIN rail or S5 rack slot |
| Weight | 0.91 kg |
| Country of Origin | Germany |
Dual Output Architecture
This power supply generates two distinct voltage rails from a single AC input source. The 5V DC output delivers clean power to the CPU and backplane logic circuits. Meanwhile, the 24V DC output drives field sensors, relays, and digital I/O modules. Therefore, the 6EW1380-1AA eliminates the need for separate power supplies in compact S5 configurations.
Compatibility and Replacement
The module supports S5-95U, S5-100U, and certain S5-115U configurations. However, Siemens has officially discontinued this model and offers the 6EW1380-1AB as a direct replacement. The newer version provides 24V DC output at 4A with a wider input range of 93–264V AC.
Details
| Weight | 0.3 kg |
|---|---|
| Dimensions | 92 × 254 × 10 mm |



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