Key Specifications
Parameter Category Specification
Drive Series/Model ACS350-03E-02A4-4
Rated Output Current 2.4 A
Rated Output Power 0.75 kW (1 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).
Control Panel Removable Control Panel (RCP) with backlit LCD.
Cooling Method Self-cooled (convection)
Control Methods • Scalar Control (V/f) for standard applications.
• ABB Direct Torque Control (DTC) for high dynamic performance (precise torque control, fast response).
Key Standard Features • Removable Control Panel (RCP): Allows for remote mounting and easy parameter copy.
• Built-in EMC Filter (Class A).
• Application Macros: Pre-programmed parameter sets for common tasks (Factory, Hand/Auto, Pump/Fan).
• Built-in PID Controller with sleep/wake function.
• Flying Start and DC Magnetization.
• Built-in I/O: 2 analog inputs (0/4...20 mA, 0...10 V), 1 analog output; 3 digital inputs, 1 relay output.
• Fieldbus Connectivity: Built-in Modbus RTU (RS-485); optional adapters for PROFIBUS DP, DeviceNet, CANopen, etc.
Protection Features • Motor thermal overload protection (I²t)
• Short circuit, ground fault, overcurrent, and overvoltage protection
• Motor stall and underload protection
• IGBT overtemperature protection
• Power loss ride-through
Application Focus Small pumps, fans, conveyors, packaging machines, and other general-purpose industrial machinery.
The ABB ACS350-03E-02A4-4 is a compact and versatile 2.4 Ampere, 0.75 kW (1 HP) variable frequency drive from the ACS350 series. Designed for general-purpose industrial applications, it is a reliable and feature-rich solution for controlling small motors in pumps, fans, conveyors, and simple machinery.