Key Specifications Parameter Specification Model ACS550-01-180A-4 Rated Power 90 kW (120 HP) Output Current 180 A Input Voltage 3-phase, 380-480V AC (±10%), 50/60 Hz Output Voltage 0-480V AC (matches input) Frequency Range 0-500 Hz Control Method Scalar (V/f) & Sensorless Vector Control (SVC) Overload Capacity 150% for 60 sec, 200% for 3 sec Efficiency >98% Protection Class IP21 (open chassis) 3. Key Features ✔ Motor Control & Performance Sensorless Vector Control (SVC) for improved torque & speed accuracy Automatic Motor Adaptation (AMA) for optimal motor tuning Flying Start – can restart a spinning motor without stopping Torque Boost for high-starting torque applications ✔ Energy Saving & Optimization ABB Energy Optimizer reduces motor energy consumption by up to 30% Sleep Mode for pump & fan applications (reduces idle power waste) Brake Chopper support (for dynamic braking) ✔ Protection & Safety Short-circuit, overload, overvoltage, and ground fault protection Motor Thermal Protection (PTC input) Safe Torque Off (STO) option (safety compliance) ✔ User Interface & Programming Built-in keypad (LCD display) Quick Setup Macro (pre-configured for pumps, fans, conveyors) CopyCat function (easy parameter transfer between drives) ✔ Communication & Connectivity Standard RS485 (Modbus RTU) Optional fieldbus cards (Profibus DP, DeviceNet, CANopen, Ethernet/IP) BACnet MS/TP for HVAC applications