SIEMENS SIMATIC S7-1500 System Power Supply 25W 24VDC 6ES7505-0KA 6ES75050KA000AB0

In an S7-1500 automation system, the backplane bus needs a stable 24 V DC supply to power the modules. The SIEMENS SIMATIC S7-1500 System Power Supply 25W 24VDC 6ES7505-0KA provides exactly that, delivering 25 W of regulated power to the rack. It converts the external 24 V DC input to the backplane bus voltage, ensuring reliable operation of the CPU and I/O modules.

Who is it for

This power supply is intended for control engineers and system integrators building SIMATIC S7-1500 PLC installations. It is suitable for machine builders, panel builders, and maintenance technicians who need a compact, DIN-rail mountable power source for their automation projects.

Main features

• Rated output power: 25 W at 24 V DC
• Wide input voltage range: 19.2 V DC to 28.8 V DC
• Galvanic isolation between input and backplane bus
• Short-circuit and overload protection
• LED status indicators for RUN and ERROR
• Integrated diagnostics via the CPU
• Firmware update capability through the CPU
• Mounts directly into the S7-1500 rack, DIN rail compatible
• Degree of protection: IP20

Specifications

• Product type: System Power Supply Module
• Series: SIMATIC S7-1500
• Rated input voltage: 24 V DC
• Input voltage range: 19.2 V DC to 28.8 V DC
• Rated output voltage: 24 V DC
• Rated output current: 1.04 A
• Power loss: max. 2.5 W
• Efficiency: approx. 90%
• Operating temperature: 0 to 60 °C
• Storage/transport temperature: -40 to +70 °C
• Connection type: Backplane bus connector

Tips

Ensure the external 24 V DC supply is within the specified range to avoid undervoltage or overvoltage conditions. The power supply is designed for use in an IP20 control cabinet environment. Use the LED indicators to quickly diagnose power status during commissioning and troubleshooting.