Siemens 6ES7505-0RB00-0AB0 PS 60W Power Supply

High-Performance Power Supply with Buffering for S7-1500

The Siemens 6ES7505-0RB00-0AB0 serves as a system power supply module for the SIMATIC S7-1500 series. This PS 60W 24/48/60V DC HF power supply delivers stable operating voltage to the backplane bus of the S7-1500 controller . It enables the CPU to retain RAM data retentively during power interruptions . The module supports three distinct input voltage levels: 24 V DC, 48 V DC, and 60 V DC . It provides a buffering time of 20 ms during mains failures, ensuring uninterrupted operation . The Siemens 6ES7505-0RB00-0AB0 includes short-circuit protection and reverse polarity protection for robust system safety .

Technical Specifications

Specification	Value
Model	6ES7505-0RB00-0AB0
Product Type	PS 60W System Power Supply
Input Voltage (DC)	24 V / 48 V / 60 V (rated)
Input Range (Static)	19.2 V to 72 V DC
Input Range (Dynamic)	18.5 V to 75.5 V DC
Input Current	3 A (24V) / 1.5 A (48V) / 1.2 A (60V)
Inrush Current	≤ 8 A for t ≤ 1 s
Output Power	60 W (backplane bus infeed)
Power Loss	12 W
Mains Buffering	20 ms
Dimensions (W x H x D)	105 mm x 147 mm x 129 mm
Weight	Approx. 865 g
Isolation	2,500 V DC (tested)
Protection Class	I (with protective conductor)
Degree of Protection	IP20
Operating Temperature	-25 °C to +60 °C
Storage Temperature	-40 °C to +70 °C
Engineering	STEP 7 TIA Portal V14 SP1

Diagnostic and Safety Features

The Siemens 6ES7505-0RB00-0AB0 provides a status indicator for clear visual monitoring of operational conditions . It demonstrates excellent immunity against voltage surges, complying with IEC 61000-4-5 standards . The module holds multiple international approvals, including ATEX, FM, IECEx, UL, and various maritime certifications, supporting deployment in hazardous locations and marine applications . Its robust construction ensures reliable operation even in demanding industrial environments.