he SIEMENS 6EP1331-1SH03 is a compact and reliable SITOP PSU100C single-phase power supply unit designed for industrial automation applications. This power supply provides stable and clean DC power for Siemens PLCs, sensors, and other automation components in demanding industrial environments.
Built-in buffer module for short-term power backup
Overload and short-circuit protection with automatic recovery
Wide input voltage range for unstable power networks
High efficiency up to 92%
Compact Design
Space-saving design for high-density installation
Standard DIN rail mounting (35 mm)
Lightweight construction for easy handling
Integrated mounting latch for secure installation
Advanced Functions
Power boost function for high inrush currents
Active current limitation
LED status indicators for operational monitoring
Remote monitoring capability
Technical Specifications
Parameter Specification
Input Voltage 120/230 V AC (85-264 V AC)
Input Frequency 47-63 Hz
Output Voltage 24 V DC
Output Current 3 A (continuous)
Power Rating 72 W
Buffer Time 20 ms at 3 A
Efficiency Up to 92%
Ripple and Noise < 150 mVpp
Line Regulation ±0.5%
Load Regulation ±1%
Inrush Current < 20 A (at 230 V AC)
Hold-up Time > 20 ms
Protection Features