
Siemens – G85139‑E1720‑C861 – MicroMaster/MM Pocket‑Style Control Display Module
Main Features
Manufacturer: Siemens – MicroMaster (6SE31) variable frequency drive accessory
Part Number: G85139‑E1720‑C861 (versions B, C also documented)
Module Type: Pocket-style operator/control board featuring membrane keypad (Run, Stop, Jog) and integrated LED display
Functionality: Supports drive programming, parameter setup, diagnostics, and manual motor control functions (e.g., jog mode)
Connector: Multi-pin interface to main inverter PCB; typically attached directly inside the MicroMaster drive housing
Status: Discontinued module; available used or refurbished through surplus and reconditioning channels
Typical Applications: OEM integration, drive replacement part, service/repair for Siemens MicroMaster inverters in industrial systems
Condition Notes: Offered “tested used” or “for parts,” often with 12–24 month seller warranties