The 6EP1331-1SH01 is a Siemens LOGO!Power stabilized power supply unit designed to convert AC input voltage into a regulated 24 V DC output for compact automation and control applications. This model provides a 1.3 A output current and is commonly used for supplying power to small PLC systems, control devices, sensors, and other low-voltage industrial components.
Unlike larger industrial power supplies intended for high-load control cabinets, the 6EP1331-1SH01 belongs to the compact LOGO!Power range, making it suitable for installations where space-saving design and stable DC voltage supply are required.
This part number is frequently referenced by maintenance teams replacing installed Siemens power modules in existing control panels, especially where LOGO! controllers or compact automation equipment are already in operation.
Product Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Order Number | 6EP1331-1SH01 |
| Product Family | LOGO!Power |
| Product Type | Stabilized Power Supply |
| Input Voltage | 120/230 V AC |
| Input Voltage Range | 93–264 V AC |
| Output Voltage | 24 V DC |
| Output Current | 1.3 A |
| Output Power | Approx. 31 W |
| Input Frequency | 50/60 Hz |
| Installation Type | DIN Rail Mount |
| Housing Design | Compact enclosure |
| Dimensions (W × H × D) | Approx. 72 × 90 × 55 mm |
| Weight | Approx. 0.2 kg |
Power Supply Application
The 6EP1331-1SH01 provides a regulated DC supply source for low-voltage automation equipment.
Typical connected devices include:
| Equipment Category | Power Supply Role |
|---|---|
| Siemens LOGO! controllers | 24 V DC operating supply |
| Sensors and switches | Field device power source |
| Control relays | Auxiliary DC supply |
| Small automation panels | Cabinet power distribution |
| Industrial electronics | Stable DC voltage input |
The compact format allows this power unit to be installed alongside small controllers and interface components inside limited cabinet space.
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Hardware Characteristics
| Feature | Description |
|---|---|
| Stabilized Output | Maintains regulated 24 V DC supply |
| Compact Size | Designed for space-saving installations |
| DIN Rail Installation | Suitable for standard control cabinets |
| Wide AC Input | Supports common industrial mains voltages |
| Low Power Class | Intended for compact automation loads |
| Model | Description |
|---|---|
| 6EP1331-1SH01 | LOGO!Power 24 V DC / 1.3 A |
| 6EP1331-1SH03 | Updated LOGO!Power 24 V DC / 1.3 A variant |
| 6EP3331 Series | Siemens compact SITOP power supplies |
Replacement Identification
For purchasing and maintenance purposes, the following details should be confirmed:
| Check Point | Required Match |
|---|---|
| Siemens Article Number | 6EP1331-1SH01 |
| Product Family | LOGO!Power |
| Output Voltage | 24 V DC |
| Output Current | 1.3 A |
| Input Type | AC mains supply |
| Mounting Style | DIN Rail |
Using the complete order number is recommended because Siemens LOGO!Power products include multiple versions with different output ratings and electrical specifications.
Related Siemens Power Supply Models
| Model | Description |
|---|---|
| 6EP1331-1SH01 | LOGO!Power 24 V DC / 1.3 A |
| 6EP1331-1SH03 | Updated LOGO!Power 24 V DC / 1.3 A variant |
| 6EP3331 Series | Siemens compact SITOP power supplies |
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