
ABB - Low Voltage Drives
ACS550-U1-045A-4+B055+K462
Alternate Item Number: 3AUA0000042033
UPC: 662348047804
Documents & Media
Contact for Pricing
Overview
The ABB ACS550 AC Drive (SKU: ACS550-U1-045A-4+B055+K462) is a high-performance, low-voltage drive designed for industrial motor control applications. This advanced drive operates with a 3-phase input voltage range of 380-480V, delivering a continuous output of 30 horsepower (22 kW) and a rated current of 44A. It features a Type 12/IP55 enclosure, providing robust protection against dust ingress (IP5X) and water jets (IPX5), making it suitable for harsh industrial environments where exposure to contaminants and moisture is a concern. The drive includes a 1.1 overload capability, allowing it to handle temporary peak loads up to 110% of its rated current for extended periods without performance degradation.
Measuring 24.8 inches in height, 10.1 inches in width, and 10 inches in depth, the ACS550 is designed for compact installation, either wall-mounted or within control cabinets. It supports advanced control features, including built-in PID control for precise process regulation, and is compatible with Control Net communication protocols for seamless integration into ABB’s automation systems. The drive is optimized for variable-speed applications such as pumps, fans, conveyors, and other industrial machinery, enabling energy-efficient operation through optimized motor control. With ABB’s reputation for reliability and energy efficiency in low-voltage drives, the ACS550 ensures consistent performance, reduced downtime, and lower operational costs in demanding industrial settings.
- 30 HP / 30 kW motor power rating
- 44A continuous current rating
- 3-phase input voltage: 380-480V
- Type 12 / IP55 enclosure for dust and water protection
- Wall-mount design with compact dimensions (24.8 x 10.1 x 10 in)
- Advanced control features and Control Net compatibility
Specifications
Control Panel | Advanced |
Frame Size | R3 |
Input Phase | 3-Phase |
IP Rating | IP55 |
Options | Control Net |
Output Current | 44 |
Output Phase | 3-Phase |
UL Type | 12 |
Voltage | 480 |
Voltage Range | 380-480 |
Package Dimensions (L x W x H) | 10 in x 10.1 in x 24.8 in |
Package Dimensions (L x W x H) | 25.4 cm x 25.654 cm x 62.992 cm |
Package Weight (Imperial) | 37.500 L |
Package Weight (Metric) | 17.010 kg |

FENA-21
The FENA 21 DualPort module supports Three protocols Modbus-TCP, EtherNet/IP, and the PROFInet IO RT network. The Modbus-TCP protocol is simply the Modbus protocol used on top of Ethernet-TCP/IP. Modbus-TCP is an open Industrial Ethernet network which has been specified by the Modbus-IDA User Organization. EtherNet/IP is based on the Common Industrial Protocol (CIP), which is also the framework for both the ControlNet and DeviceNet network protocols. PROFInet IO RT is an open network based on the PI Organization standard.














