Catalog > Electro-Mechanical Components > Industrial Automation SIMATIC S7-1500, System Power Supply SIMATIC S7-1500 System Power Supply Power Supply 6ES7505-0KA00-0AB0 SIMATIC S7-1500, System power supply PS 25W 24 V DC, supplies the backplane bus of the S7-1500 with operating voltage. 256.50 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Product Type: System Power Supply Module Model Number: 6ES7505-0KA00-0AB0 Product Designation: PS 25W 24V DC Rated Input Voltage: 24 V DC Permissible Input Voltage Range: 19.2–28.8 V DC (static) Dynamic Input Voltage Range: 18.5–30.2 V DC Rated Input Current: 1.3 A at 24 V DC Backplane Bus Output Power: 25 W Power Loss: 6.2 W at nominal operating conditions Reverse Polarity Protection: Yes Short-Circuit Protection: Yes Power Failure Buffering: 20 ms Electrical Isolation: Primary and secondary circuits Status Indicators: Yes, for operating status and diagnostics Diagnostic Functions: Diagnostic alarms and interrupts Engineering Software: STEP 7 / TIA Portal V12 or later Degree of Protection: IP20 Protection Class: Class III Operating Temperature: −25°C to +60°C (depending on hardware revision) Dimensions (W × H × D): 35 × 147 × 129 mm Weight: Approximately 356 g Mounting Type: S7-1500 mounting rail Application: Supplies operating voltage to the backplane bus of Siemens SIMATIC S7-1500 automation systems. Downloads Datasheet PDF File 638.64 KB