Siemens 6ES7 138-4CB11-0AB0 Power Module

Siemens 6ES7138-4CB11-0AB0 PM-E power module for ET 200S is the dedicated backplane power supply in Siemens’ SIMATIC ET 200S distributed I/O system. It accepts input from DC 24-48 V or AC 24-230 V and delivers backplane power to the ET 200S I/O modules, with built-in diagnostics and an integrated fuse for protection. This PM-E module is cataloged as a spare part under the SIMATIC DP family, identified by article number 6ES7138-4CB11-0AB0. In ET 200S installations, the PM-E ensures stable operation of the remote I/O by providing the required voltage to the backplane and by signaling fault conditions to the controller for timely maintenance. Designed for use in automation cabinets that deploy ET 200S I/O addresses, it plays a critical role in powering distributed I/O networks while offering diagnostic feedback that supports troubleshooting and uptime.