
ABB - Low Voltage Drives
ACS550-PD-077A-6
Alternate Item Number: 3AUA0000010320
UPC: 662348045138
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Overview
The ABB ACS550-PD-077A-6 is a general-purpose packaged drive designed for industrial motor control. This unit features a robust 75 HP motor rating and a 77A output current, operating within a 500-600V range, specifically at 600 VAC. Its NEMA 1 / UL Type 1 (IP21) enclosure provides protection against dust and light splashes, making it suitable for various industrial environments. The drive is designed for wall-mounting and includes an advanced control panel for intuitive operation and monitoring. For enhanced safety and simplified maintenance, the ACS550-PD-077A-6 comes equipped with an integrated disconnect switch and fuses. This 3-phase input, 3-phase output drive is built on the ACS550 product family and is housed in a Frame R6. Its physical dimensions are 47.7 inches in height, 28.1 inches in width, and 19 inches in depth, with a substantial product weight of 359 lbs. The drive supports a maximum electrical switching frequency of 600 cycles/h for general use and 1200 cycles/h for motor use. It is designed to handle a high fault current of 100 kA, with a fuse rating of 60A and a J-type fuse, 600V. Applications for this drive include manufacturing processes, HVAC systems, and other industrial automation tasks requiring precise and efficient motor speed regulation. The ABB ACS550-PD-077A-6 offers reliable performance and durability for demanding industrial operations.
- 75 HP Motor Rating
- 77A Output Current
- 600 VAC Operating Voltage (500-600V Range)
- NEMA 1 / UL Type 1 (IP21) Enclosure
- Includes Disconnect Switch and Fuses
Specifications
Connection Type | 3-Phase Input, 3-Phase Output |
Current Rating | 77 A |
IP Rating | IP21 |
Mounting Type | Wall-mounted |
Nema Rating | NEMA 1 / UL Type 1 |
Poles | 3-Phase |
Series | ACS550 |
Size | 47.7 in x 28.1 in x 19 in |
Voltage Rating | 600 VAC |

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.















