Key Specifications Parameter Category Specification Drive Series/Model ACS320-03E-01A2-4 Rated Output Current 1.0 A Rated Output Power 0.37 kW (0.5 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 NEMA 1 / IP20 Open Type (Chassis). Control Panel Detachable, basic keypad with a 4-character LED display. Cooling Method Self-cooled (convection) Control Method Sensorless Vector Control Key Standard Features • Ultra-Compact Design: One of the smallest drives in its class. • Detachable Keypad: For remote mounting and easy setup. • Application Macros: Pre-set configurations for common tasks (e.g., Hand/Auto, 2-Wire, 3-Wire). • Analog Input: 1 channel (0/4...20 mA or 0...10 V). • Digital Inputs: 3 channels. • Relay Output: 1 channel. • Modbus RTU (RS-485) communication via an optional external module (e.g., NAMC-01). Protection Features • Motor thermal overload protection (I²t) • Short circuit, ground fault, overcurrent, and overvoltage protection • IGBT overtemperature protection • Motor stall prevention Typical Applications Small conveyors, packaging machines, dosing pumps, basic material handling equipment, and small fans.