Key Specifications Parameter Category Specification Drive Series/Model ACS310-03E-04A5-4 Rated Output Current 4.0 A Rated Output Power 1.1 kW (1.5 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 IP20 / UL Open Type (Chassis). Requires installation in a protective cabinet. Cooling Method Self-cooled (convection) Control Methods • Scalar Control (V/f) • ABB Direct Torque Control (DTC) for superior performance Key Standard Features • Intelligent Pump and Fan Control (IPF): Auto-tunes for optimal efficiency, includes multi-pump control logic, anti-jam, dry pump protection, and "Flying Start". • Embedded Application Programming: Built-in programmable function blocks (timers, comparators, logic gates) for custom control sequences. • Adaptive Program (AUP): Guides user through setup based on application. • Integrated EMC Filter (Class A). • Built-in Modbus RTU (RS-485) and BACnet MS/TP communication protocols. • LCD Keypad: Clear display with multi-language support and copy function. • PID Controller with sleep/wake and cascade control functions. Protection Features • Motor thermal overload protection (I²t) • Pump-specific protection (dry pump, overload, underload) • Short circuit, ground fault, overcurrent, overvoltage protection • IGBT overtemperature protection • Automatic fault reset Application Focus HVAC systems (fans, pumps), water supply, pressure boosting, cooling towers, and other pump and fan applications.