Bosch Rexroth S20-PWR Power Supply Boost Module

Bosch Rexroth S20-PWR is a 24 V DC power supply boost module for IndraControl S20 local-bus logic, delivering up to 4 A to the bus power line to support larger S20 stations and more expansive logic networks within automation panels, and it is intended for integration with standard IndraControl S20 installations alongside bus base modules to deliver the required current at the 24 V rail. The unit has the part number R911173345 and is designed to feed the local bus supply (U) generated by the bus base module to the connected S20 modules, ensuring stable, reliable logic power as the number and load of modules grows, with a 24 V input and up to 4 A capacity to support multi-module configurations. Within IndraControl S20 systems, S20-PWR supplements the primary supply when the bus logic current exceeds what the controller or bus coupler alone can provide, creating headroom for additional devices, reducing voltage dips on the 24 V logic network, and helping maintain consistent logic performance during peak operation. Common applications include dense IndraControl S20 configurations in automation cabinets where multiple I/O and logic modules rely on a steady 24 V DC logic supply, and Rexroth catalogs and IndraControl manuals reference S20-PWR as the boost module for the S20 local bus power, underscoring its role in scalable S20 architectures.