
ABB - Low Voltage Drives
ACS55-01N-02A2-1
Alternate Item Number: 68884811
UPC: 662348041079
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Overview
The ABB ACS55-01N-02A2-1 is a compact AC drive designed for low-voltage applications requiring precise motor control. This open-type module delivers 0.5HP (0.37kW) output at 2.2A rated current, operating on 110-120V single-phase input. With a 1.1 overload rating, it handles temporary current spikes up to 2.42A without derating. Measuring just 5.77 x 1.77 x 5.04 inches, the ACS55 fits in tight control panels while maintaining ABB’s reliable drive technology.
Key applications include small pumps, fans, conveyors, and general machinery where space constraints demand a space-saving solution. The integrated design eliminates external components, reducing wiring complexity and installation time. Compatible with standard 3-phase motors up to 0.5HP, this drive supports both constant and variable torque applications.
Built for OEM integration, the ACS55 features a simple mounting system and standard industrial connections, making it ideal for retrofits or new installations in compact control systems. The open-type enclosure allows for flexible thermal management in ventilated enclosures.
- 0.5HP (0.37kW) output power with 2.2A rated current
- 110-120V single-phase input voltage range
- 1.1 overload rating for temporary current spikes up to 2.42A
- Compact open-type module (5.77 x 1.77 x 5.04 inches)
- Integrated design for simplified installation and wiring
Specifications
Control Panel | Integrated |
Current Rating | 2.2A |
Frame Size | A |
Horsepower | 0.5 HP |
Input Phase | 3-Phase |
IP Rating | IP20 |
Mounting | Module |
Output Current | 2.2 A |
Output Phase | 3-Phase |
Size | 5.77x1.77x5.04 in |
UL Type | OPEN |
Voltage | 120 V |
Voltage Range | 110-120 V |
Voltage Rating | 3-110-120V |
Package Dimensions (L x W x H) | 5.04 IN x 1.77 IN x 5.77 IN |
Package Dimensions (L x W x H) | 12.8016 cm x 4.4958 cm x 14.6558 cm |
Package Weight (Imperial) | 1.500 L |
Package Weight (Metric) | 0.680 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.











