
ABB - Low Voltage Drives
ACS355-03U-05A6-4+J402
Alternate Item Number: 3AUA0000078331
UPC: 662348021507
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Overview
The ABB ACS355-03U-05A6-4+J402 is a compact, open-type AC drive designed for pump and fan applications requiring reliable, low-overload operation. Rated at 3HP (2.2kW) with a 5.6A output current, this drive handles input voltages from 380V to 480V, making it ideal for standard industrial power systems. Its 1.5 overload rating ensures stable performance under variable load conditions without unnecessary stress on the motor or drive.
Measuring just 9.41 x 2.76 x 6.34 inches, the ACS355 fits easily into control panels or machinery where space is limited. The integrated potentiometer allows for simple speed adjustment, reducing the need for external components. Built for continuous duty in HVAC, water pumping, and ventilation systems, this drive delivers energy-efficient operation with minimal maintenance requirements.
Compatible with standard 3-phase motors, the ACS355 supports both constant and variable torque applications. Its open enclosure design simplifies heat dissipation, while the blank faceplate option provides flexibility for custom labeling or additional accessories. Trusted for its durability and ease of integration, the ACS355-03U-05A6-4+J402 is a cost-effective solution for OEMs and system integrators seeking a dependable drive for moderate-load applications.
- 3HP (2.2kW) output power with 5.6A rated current
- Input voltage range: 380–480V, 3-phase
- 1.5 overload rating for stable pump/fan operation
- Compact dimensions: 9.41 x 2.76 x 6.34 inches
- Integrated potentiometer for manual speed control
Specifications
2.6 | lb |
2.76 | in |
3 | HP |
3-Phase | A |
380-480 | VAC |
480 | VAC |
5.6 | A |
6.34 | in |
9.41 | in |
Amerage | 5.6 A |
Control Panel | Blank |
Enclosure UL Type | OPEN |
Frame Size | R1 |
Height | 9.41 in |
Horsepower | 3 HP |
Horsepower 10% & 50% Overload/ 1 min | 3 HP |
Input Phase | 3-Phase |
IP Rating | IP20 |
Length | 6.34 in |
Mounting | Module |
Number of Phases Input | 3 |
Number of Phases Output | 3 |
Options | Potentiometer |
Output Current | 5.6 A |
Output Current 10% & 50% Overload/ 1 min | 5.6 A |
Output Phase | 3-Phase |
Phases | 3-Phase A |
Type | ACS355 Drive |
UL Enclosure Construction | OPEN |
UL Type | OPEN |
Voltage | 480 V |
Voltage Range | 380-480 V |
Voltage Rating | 480 VAC |
Weight | 2.6 lb |
Width | 2.76 IN |
Package Dimensions (L x W x H) | 6.34 IN x 2.76 IN x 9.41 IN |
Package Dimensions (L x W x H) | 16.1036 cm x 7.0104 cm x 23.9014 cm |
Package Weight (Imperial) | 2.600 L |
Package Weight (Metric) | 1.179 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.







