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ACS550-01-012A-4

The ABB ACS550-01-012A-4 is a 12 Ampere, 4 kW (5.5 HP) variable frequency drive from the well-established ACS550 series, designed for general-purpose industrial applications. It is a versatile, reliable, and user-friendly drive for controlling pumps, fans, conveyors, and material handling systems.

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Key Specifications Parameter Category Specification Drive Series/Model ACS550-01-012A-4 Rated Output Current 12 A Rated Output Power 4 kW (5.5 HP) Input Supply Voltage 380 - 480 V AC (± 10%), 3-phase Input Supply Phases 3-phase Output Voltage 0 - Input voltage Output Phases 3-phase Enclosure Rating IP21 / UL Type 1 (Standard for -01) Cooling Method Self-cooled (with internal fan) Control Method ABB Direct Torque Control (DTC) Key Standard Features • Plain Language Keypad: 4-line, 16-character backlit display for easy setup. • Application Macros: Factory-set parameters for common applications (Fan/Pump, Hand/Auto, 3-Wire, etc.). • Built-in PID Controller with sleep/wake and anti-jam functions. • Flying Start (restart a spinning motor). • Modbus RTU (RS-485) serial communication interface. • Slip Compensation and IR Compensation for stable motor performance. Protection Features • Motor thermal protection (I²t model) • Short circuit, ground fault, overcurrent, and overvoltage protection • Motor stall protection (STALLFUNC) • IGBT overtemperature protection • Power loss ride-through Application Focus General-purpose industrial applications (Pumps, Fans, Conveyors, Mixers, Compressors).