
ABB - Low Voltage Drives
ACS255-03U-24A0-2+B068
Alternate Item Number: 3AUA0000232558
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Overview
The ABB ACS255 AC Drive (SKU: ACS255-03U-24A0-2+B068) is a compact, wall-mountable variable frequency drive designed for industrial motor control applications requiring reliable performance in harsh environments. This drive supports a 3-phase input voltage range of 3-200-240V, delivering 7.5 horsepower (HP) with a continuous output current of 24A. The Type 4X enclosure provides superior protection against dust, water jets, and corrosive elements, making it ideal for outdoor or challenging indoor installations such as manufacturing floors, material handling systems, and HVAC applications.
Key specifications include a 1.5 overload capacity, ensuring durability under temporary current spikes without compromising performance. The drive’s compact dimensions (12.2 x 8.29 x 8.46 inches) optimize space utilization in control panels or machinery enclosures. ABB’s ACS255 integrates seamlessly into existing automation systems, offering precise speed control, energy efficiency, and reduced operational costs. Its robust design and compliance with industrial standards make it a dependable choice for OEMs and end-users seeking a low-maintenance, high-reliability motor drive solution.
Applications include pumps, fans, conveyors, and compressors where variable speed control enhances process efficiency. The drive’s compatibility with standard 3-phase motors and straightforward installation process further streamline deployment in new or retrofit projects.
- Input Voltage: 3-200-240V AC, 3-phase
- Output: 7.5HP, 24A continuous current
- Enclosure: Type 4X (IP66) for dust/water resistance
- Overload Capacity: 1.5x rated current for durability
- Dimensions: 12.2 x 8.29 x 8.46 inches (wall-mountable)
Specifications
Amerage | 24 A |
Control Panel | Integrated |
Current Rating | 24 A |
Enclosure UL Type | 4X |
Frame Size | E3 |
Height | 12.2 in |
Horsepower | 7.5 HP |
Horsepower 10% & 50% Overload/ 1 min | 7.5 HP |
Input Phase | 3-Phase |
IP Rating | IP66 |
Length | 8.46 in |
Mounting | Wall |
Mounting Type | Wall-mount |
Nema Rating | Type 4X |
Number of Phases Input | 3 |
Number of Phases Output | 3 |
Output Current | 24 A |
Output Current 10% & 50% Overload/ 1 min | 24 A |
Output Phase | 3-Phase |
Phases | 3-Phase A |
Series | ACS255 |
Size | 12.2x8.29x8.46 in |
Type | ACS255 Drive |
UL Enclosure Construction | 4X |
UL Type | 4X |
Voltage | 240 V |
Voltage Range | 200-240 V |
Voltage Rating | 3-240 VAC |
Voltage Rating | 240 Vac |
Weight | 11 lb |
Width | 8.29 in |

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.






