6RA8093-4KS22-0AA0

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The series of SINAMICS DC MASTER DC Converters includes the following components:

• Electronics module with Control Unit (CUD) and slot for expansionusing another CUD (in a cradle that can be swiveled out)
• Power section with thyristors in a fully-controlled three-phasebridge circuit configuration (two-quadrant drive: B6C or fourquadrantdrive: (B6) A (B6) C) ¹⁾
• Fan (up to 125 A: self-ventilated)
• Single-quadrant field power section with integrated freewheelingcircuit (optionally, also without field or as twoquadrantfield for highly dynamic field current changes withintegrated field overvoltage protection)
• Electronics power supply
• Standard BOP20 operator panel (AOP30 Advanced OperatorPanel as accessory)

¹⁾ In two-quadrant operation, the drive can operate in "driving" mode in one direction of rotation and in "braking" mode with regenerative feedback in the opposite direction of rotation. In four-quadrant operation, the drive can operate in "driving" mode and in "braking" mode with regenerative feedback in both directions of rotation.