ABB ACS550-01-045A-4 — AC Drive (VFD)

Part number	ACS550-01-045A-4
Brand	ABB
Category	AC Drive
Description	AC Drive (VFD)
Manufacturer	ABB
Product Type	AC Drive (VFD)
Product Line	ACS Series
Part Number	ACS550-01-045A-4
Weight	40.63 lbs (18.43 kg)
Series	AC Drives
Input Voltage	380–480 V AC (3 Phase)
Input Frequency	48–63 Hz
Mounting Type	Wall Mount
Power Rating	18.5 / 22 kW
Digital Inputs	6
Output Frequency	0–500 Hz
Communication	Modbus, PROFIBUS, Ethernet/IP, etc.
Enclosure Type	IP21 / UL Type 1 (NEMA 1)
Analog I/O	2 AI / 2 AO
Output Current	45 A (ND), 38 A (HD)
Interfaces	RS-232, RS-485
Efficiency Class	IE2

The ABB ACS550-01-045A-4 AC Drive is engineered for versatile applications, managing 380 to 480 volts AC in a three-phase configuration. Designed to handle up to 22 kW of power, it functions effectively in a frequency range of 48 to 63 Hz.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.