Key Specifications
Parameter Category Specification
Drive Series/Model ACS150-03U-03A3-4
Rated Output Current 3.3 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 IP00 (Open Chassis). Must be installed inside a protective control cabinet (e.g., IP20, IP54).
Control Panel Integrated, Sealed Keypad (IP66 protection for the keypad). Potted and non-removable in standard form.
Cooling Method Self-cooled (convection)
Control Method Scalar Control (V/f)
Key Standard Features • Ultra-Compact & Sealed Design: All-in-one unit with a durable keypad.
• Easy Mounting: Snap-on design for DIN rail or screw mounting.
• Application Macros: Pre-set configurations (e.g., Hand/Auto, 2-Wire, 3-Wire).
• Analog Input: 1 channel (configurable for 0/4...20 mA or 0...10 V).
• Digital Inputs: 3 channels.
• Relay Output: 1 changeover contact.
• Modbus RTU (RS-485) communication via an optional external module.
Protection Features • Motor thermal overload protection (I²t model)
• Short circuit, ground fault, overcurrent, and overvoltage protection
• IGBT overtemperature protection
• Motor stall prevention
Typical Applications Small pumps, fans, miniature conveyors, packaging machinery, and other basic material handling equipment.
The ABB ACS150-03U-03A3-4 is an ultra-compact 3.3 Ampere, 0.75 kW (1 HP) variable frequency drive from the ACS150 series. Designed for basic speed control of small three-phase AC motors, it is renowned for its extremely small footprint and all-in-one, durable design, making it ideal for space-constrained panels in simple machinery, pumps, and fans.