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The series of SINAMICS DC MASTER DC Converters includes:
- The electronics module with the Control Unit (CUD) and the slot for expansion using another CUD (in a cradle that can be swiveled out),
- The power section with thyristors in a fully-controlled three-phase bridge circuit configuration (two-quadrant drive: B6C or four-quadrant drive: (B6) A (B6) C),
- A fan (up to 125 A: self-ventilated),
- A single-quadrant field power section with integrated free-wheeling circuit (optionally, also without field or as two-quadrant field with integrated field overvoltage protection),
- The electronics power supply,
- A standard BOP20 operator panel (AOP30 Advanced Operator Panel as accessory).