What it is and what it does
The Siemens 6SL3131-7TE21-6AA3 is a spare-part SINAMICS S120 Active Line Module in the booksize format. It takes a 380-480 V 3 AC 50/60 Hz supply and delivers a regulated 600 V DC bus at 27 A, rated for 16 kW.
Lifecycle and sourcing posture
This module carries a lifecycle stage of mature, meaning it is no longer in active new-product introduction but remains in the Siemens spare-parts channel. The datasheet carries a revision date of 27.01.2021.
Deployment context
The booksize form factor with external air cooling is designed for multi-axis cabinet builds where space is tight. It mounts alongside SINAMICS S120 Motor Modules and Line Modules on a shared backplane, with the DRIVE-CLiQ cable handling communication to the Control Unit.
Sourcing decision
Because this is a mature spare part, it is sourced to order through independent distribution channels. Availability and current pricing are confirmed at quote time against an RFQ.