ACS550-01-045A-4

Product Overview

The ABB ACS550-01-045A-4 is a wall-mounted general-purpose VFD in the ACS550-01 series.

• Normal Duty Output: 22 kW (30 hp) at 44 A (AC-3)

• Heavy-Duty Output: 18.5 kW (25 hp) at 38 A
  Powered by a 380–480 V AC, 3-phase supply, housed in an IP21 enclosure on an R3 frame.

Electrical & Performance Specifications

• Output Power & Current:

  • Normal Duty: 22 kW (30 hp), 44 A

  • Heavy-Duty: 18.5 kW (25 hp), 38 A

• Supply Voltage: 380–480 V AC, 3-phase, 50/60 Hz

• Frame Size: R3

• Enclosure Rating: IP21 (indoor wall-mounted)

Safety, Control & Logic Features

• Safe Torque Off (STO) functionality (SIL-rated)

• Built-in EMC filter (C2/C3 level) for EMI compliance

• Integrated brake chopper for dynamic braking

• Setup Tools:

  • FlashDrop – configure without applying power

  • DriveWindow Light – PC-based setup and diagnostics

• Advanced Logic: Includes sequence programming, application macros, and control assistant to minimize external control needs

Connectivity

• Analog Inputs: 2

• Analog Outputs: 2

• Digital Inputs: 6

• Communications: RS-232, RS-485, and support for fieldbus protocols like Modbus, DeviceNet, PROFIBUS, EtherNet/IP, PROFINET IO, CAN, TCP/IP

• Efficiency Level: IE2

Mechanical & Environmental Specification

• Dimensions (H × W × D): Approx. 583 mm × 203 mm × 231 mm (mounting hardware included)

• Weight: ~15 kg

• Operating Ambient Temperature: Up to +40 °C (derating may apply beyond this)

• Mounting Clearance: 75 mm above and below; 0 mm side-by-side mounting supported

Summary Table