
ABB - Low Voltage Drives
ACS550-U1-078A-4+K451
Alternate Item Number: 3AUA0000044533
UPC: 662348049365
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Overview
The ABB ACS550-U1-078A-4+K451 AC drive delivers precise motor control for industrial applications requiring 60HP (77A) output at 380-480V input. This advanced drive supports DeviceNet communication for seamless integration into automated systems, enabling real-time monitoring and control. With a compact 27.1 x 8 x 10.3 inch (WxHxD) footprint, it mounts directly to walls or enclosures, optimizing space in tight installations. The drive features Type 1/IP21 protection, safeguarding internal components from dust and dripping water while maintaining reliable operation in harsh environments. Its 1.1 overload capacity ensures sustained performance under demanding load conditions, reducing downtime in critical applications. Designed for industrial reliability, the ACS550 operates efficiently across the specified voltage range with minimal energy loss. Manufactured by ABB Low Voltage Drives in Denmark, this drive is built to meet the demands of continuous-duty applications like pumps, fans, and conveyors. The SKU ACS550-U1-078A-4+K451 includes integrated DeviceNet connectivity for simplified network integration.
- 60HP (77A) output at 380-480V input voltage range
- Type 1/IP21 enclosure protection for harsh environments
- DeviceNet communication for automated system integration
- 1.1 overload capacity for sustained performance under load
- Compact 27.1 x 8 x 10.3 inch (WxHxD) wall-mountable design
Specifications
Control Panel | Advanced |
Frame Size | R4 |
Input Phase | 3-Phase |
IP Rating | IP21 |
Options | DeviceNet |
Output Current | 77 |
Output Phase | 3-Phase |
UL Type | 1 |
Voltage | 480 |
Voltage Range | 380-480 |
Package Dimensions (L x W x H) | 10.3 in x 8 in x 27.1 in |
Package Dimensions (L x W x H) | 26.162 cm x 20.32 cm x 68.834 cm |
Package Weight (Imperial) | 53.000 L |
Package Weight (Metric) | 24.041 kg |
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Voltage Rating: 380-480 VAC
Current Rating: 77 A
