Siemens Industry 6ES7 138-4CA00-0AA0 Power Module

Siemens 6ES7 138-4CA00-0AA0 Power Module is a PM-E DC24V power supply module for the ET 200 PRO distributed I/O system, providing 24 V DC backplane power to PM-E devices on the ET 200 PRO bus. This article number is cataloged as PM-E DC24V and is supplied as a complete PM-E power module with the bus module included; the separate 6ES7194-4B.00-0AA0 bus/connection module is ordered separately to connect to the DP/ET 200 PRO backplane. In SIMATIC DP and ET 200 PRO ecosystems, the PM-E module serves as the primary 24 V DC source that powers remote I/O modules and accessories, ensuring stable operation in industrial automation environments.