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ACS150-03U-04A1-4

The ABB ACS150-03U-04A1-4 is an ultra-compact 4.1 Ampere, 1.5 kW (2 HP) variable frequency drive from the ACS150 series. Designed for basic speed control of small three-phase AC motors, it is prized for its extremely small size and integrated, sealed design, making it ideal for space-constrained panels in applications like small pumps, fans, conveyors, and simple machinery.

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Key Specifications Parameter Category Specification Drive Series/Model ACS150-03U-04A1-4 Rated Output Current 4.1 A Rated Output Power 1.5 kW (2 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.