A5E39021146 SIEMENS Power Unit
Description And Features
The A5E39021146 is a high-power module within Siemens SINAMICS (formerly Robicon) drives, often referred to as a "Power Cell" or "Power Module."It's part of Siemens' GEN5/Motor Module family,
and is used in medium-voltage and high-power applications, like industrial motors and large-scale manufacturing processes .These modules are listed globally as
original Siemens units, often manufactured in Germany, with country of origin noted in listings .
Frequently Asked Questions About A5E39021146
1. What is its main function?
It combines rectifier and inverter functions to supply controlled high-voltage AC to motors,
forming a key part of SINAMICS medium-voltage drives.
2. What drive systems use this unit?
Found in Siemens/Robicon GEN5 or GH180 drive systems
—a modular approach where multiple power cells form a larger inverter array.
3. Is it interchangeable or field-replaceable?
Typically field-replaceable within a modular drive rack. Unless firmware or configuration settings differ,
it can be swapped if specs match. Firmware upgrades may be recommended .
4. What is the A5E39021146 Siemens Power Unit used for?
The A5E39021146 is a Power Cell used in Siemens medium-voltage variable frequency drives (VFDs), especially in SINAMICS and
Robicon Perfect Harmony systems. It converts DC voltage into controlled AC voltage to drive industrial motors with high precision.
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