The ABB ACS550-U1-059A-4 is a general-purpose variable frequency drive designed for precise three-phase AC motor control in industrial applications. This wall-mounted drive operates on 380-480V AC three-phase input and delivers 40 HP normal duty output at 59 amps or 30 HP heavy duty output at 44 amps. It features advanced motor control modes including V/Hz, sensorless vector, and flux vector control for accurate speed and torque management of standard squirrel cage induction motors. The drive includes a patented swinging choke for superior harmonic reduction, built-in EMC filter, integrated Modbus fieldbus interface, and an advanced graphic backlit control panel. Housed in a NEMA 1 / IP21 enclosure, it is ideal for variable and constant torque applications such as pumps, fans, conveyors, mixers, and HVAC systems, offering energy savings and reduced mechanical stress through smooth starts and stops. Item Details Brand Name: ABB Manufacturer: ABB Inc Item Type Name: Variable Frequency Drive (VFD) Product Family / Series: ACS550 Model Number: ACS550-U1-059A-4 Abb Type Code: 3AUA0000002202 Product Specifications input_voltage: 380-480V AC ±10% input_phase: 3-phase output_power_normal_duty: 40 HP (30 kW) output_power_heavy_duty: 30 HP output_current_normal_duty: 59 A output_current_heavy_duty: 44 A frequency_range: 48-63 Hz maximum_output_frequency: 500 Hz motor_control_modes: V/Hz, Sensorless Vector, Flux Vector enclosure_rating: NEMA 1 / IP21 braking_type: DC Injection, Dynamic Braking Transistor (optional) built_in_features: EMC filter, Modbus fieldbus interface, Swinging choke control_panel: Advanced keypad with graphic backlit display overload_rating: 1.1x frame_size: UX1-4 Additional Details Mounting Type: Wall-mounted Application Type: General purpose - variable and constant torque Typical Applications: Pumps, fans, conveyors, mixers, HVAC systems Measurements Weight: 24 kg Dimensions: 688 mm x 203 mm x 262 mm (H x W x D)
