
ABB - Low Voltage Drives
ACS550-U1-157A-4
Alternate Item Number: 3AUA0000002791
UPC: 662348050392
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Overview
The ABB ACS550-U1-157A-4 AC Drive delivers 125HP (157A) of power for 3-phase motors operating at 380-480V. This advanced drive features a 1.1 overload capacity, ensuring reliable performance under demanding industrial conditions. Rated IP21 and Type 1 (NEMA), it provides protection against dust and light splashing while optimizing space with its wall-mount design. Dimensions measure 35 x 11.9 x 15.8 inches, fitting standard industrial enclosures. Designed for manufacturing, HVAC, and material handling applications, the ACS550 series offers precise motor control with advanced features like built-in PID control and Modbus RTU communication. The drive supports both sensorless vector and V/f control modes, enabling energy-efficient operation across variable load conditions. With ABB’s proven reliability, this drive reduces downtime and maintenance costs in continuous-duty applications.
- 125HP (157A) output for 3-phase motors at 380-480V
- IP21 and Type 1 (NEMA) enclosure protection against dust and splashing
- 1.1 overload capacity for reliable operation under variable loads
- Wall-mount design with dimensions 35 x 11.9 x 15.8 inches
- Advanced control with sensorless vector and V/f modes, PID control, Modbus RTU
Specifications
Control Panel | Advanced |
Current Rating | 157A |
Frame Size | R6 |
Input Phase | 3-Phase |
IP Rating | IP21 |
Mounting Type | Wall Mount |
NEMA Rating | Type 1 |
Output Current | 157 |
Output Phase | 3-Phase |
Series | ACS550 |
Size | 35 x 11.9 x 15.8 in |
UL Type | 1 |
Voltage | 480 |
Voltage Range | 380-480 |
Voltage Rating | 3-380-480V |
Package Dimensions (L x W x H) | 15.8 in x 11.9 in x 35 in |
Package Dimensions (L x W x H) | 40.132 cm x 30.226 cm x 88.9 cm |
Package Weight (Imperial) | 152.000 L |
Package Weight (Metric) | 68.947 kg |
