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DCS550-S02-0025-05-00-00

The ABB DCS550-S02-0025-05-00-00 is a 25 Ampere, 10.6 kW (14 HP) DC drive from the DCS550 series, an advanced digital control platform for DC motors. This model is configured as a single-quadrant drive (denoted by "S02"), meaning it is designed for motoring operation in one direction only and does not provide regenerative braking capability. It delivers precise speed and torque control for applications where braking energy is either minimal or dissipated through other means (e.g., mechanical brakes). The "0025" specifies its rated armature current, and the "-05" suffix indicates a standard 400V AC input for a corresponding DC motor voltage. It is a robust and programmable solution for traditional DC motor control in industrial machinery.

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Key Specifications Parameter Category Specification Drive Series/Model DCS550-S02-0025-05-00-00 Motor Type DC Motor (Separate Armature & Field Supply) Rated Armature Current 25 A (Continuous DC Output) Rated Power Output ~10.6 kW (14 HP) (Estimated for a typical 425V DC motor armature). Power is voltage-dependent. Configuration Single Quadrant (S02): Motoring operation only. Cannot accept regenerative energy. Power Input 3-phase, 400V AC (±10%), 50/60 Hz (typical for "-05" code). Armature Output Voltage Variable DC, typically up to ~500V DC (for 400V AC supply). Field Supply Output Included. Adjustable DC output for motor field excitation. Control Method Digital thyristor (SCR) converter control. Programmable via DriveWindow™ software or control panel. Key Features • Digital Control Unit (DCU) for advanced programming. • Precise Speed Regulation (tachometer or EMF feedback). • Torque Control capability. • Extensive configurable I/O. • Field Weakening for extended speed range. • Comprehensive diagnostics and monitoring. Protection Features • Armature & field overcurrent. • Motor thermal overload (I²t). • Mains phase loss & undervoltage. • Overvoltage & overspeed. • Heatsink overtemperature. Typical Applications Machine tools, extruders, winders/unwinders (without regeneration), mixers, fans, and presses using DC motors.