Authorized ABB Distributor (Low Voltage Drives)
ABB - Low Voltage Drives ACS550-U1-08A8-4+K451+L502 - ACS550 AC Drive, 3-380-480V In, 5HP, 8.8A, Type 1/IP21, 1.1 overload, Advanced, 14.5 x 4.9 x 8.3 in, Wall, DeviceNet, Pulse encoder

ABB Low Voltage Drives ACS550-U1-08A8-4+K451+L502 ACS550 AC Drive, 3-380-480V In, 5HP, 8.8A, Type 1/IP21, 1.1 overload, Advanced, 14.5 x…

Alternate Item Number: 3AUA0000012782

UPC: 662348049655


Documents & Media
Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB ACS550 AC Drive (SKU: ACS550-U1-08A8-4+K451+L502) is a compact, advanced variable frequency drive designed for industrial motor control applications requiring precise speed regulation and reliable performance. Rated at 5 horsepower (3.7 kW) with a current output of 8.8 amperes, this drive supports a wide input voltage range of 380-480V (3-phase), making it compatible with standard industrial power systems. The Type 1/IP21 enclosure provides protection against dust ingress and light splashing, ensuring safe operation in typical indoor environments. With a 1.1 overload capacity, the ACS550 handles temporary current spikes without tripping, extending the lifespan of connected motors and reducing unplanned downtime. Its compact dimensions (14.5 x 4.9 x 8.3 inches) and wall-mountable design allow for flexible installation in space-constrained control panels or machinery enclosures. Connectivity is enhanced with DeviceNet fieldbus support and pulse encoder input, enabling seamless integration with ABB’s automation ecosystem and third-party control systems for advanced motion control applications. Common uses include material handling conveyors, HVAC fan and pump systems, and general industrial machinery requiring variable speed operation. The drive’s advanced features include built-in PID control for closed-loop process applications, configurable I/O for flexible signal interfacing, and ABB’s Drive composer Pro software for simplified commissioning and monitoring. With a country of origin in Denmark, the ACS550 reflects ABB’s reputation for precision engineering and industrial reliability.
  • 5HP (3.7 kW) power rating with 8.8A output current
  • Input voltage range: 380-480V (3-phase)
  • Type 1/IP21 enclosure for dust and splash protection
  • DeviceNet fieldbus and pulse encoder input for advanced motion control
  • Compact 14.5 x 4.9 x 8.3 in wall-mountable design
  • 1.1 overload capacity for reliable operation under transient loads
  • ABB Drive composer Pro software for easy commissioning and monitoring

Specifications

Connection Type
DeviceNet, Pulse Encoder
Control Panel
Advanced
Current Rating
8.8A
Frame Size
R1
Input Phase
3-Phase
IP Rating
IP21
Mounting Type
Wall
NEMA Rating
Type 1
Options
DeviceNet Pulse encoder
Output Current
8.8
Output Phase
3-Phase
Poles
3-Phase
Series
ACS550
Size
14.5 x 4.9 x 8.3 in
UL Type
1
Voltage
480
Voltage Range
380-480
Voltage Rating
380-480 VAC
Voltage Rating
380-480V
Package Dimensions (L x W x H)
8.3 in x 4.9 in x 14.5 in
Package Dimensions (L x W x H)
21.082 cm x 12.446 cm x 36.83 cm
Package Weight (Imperial)
14.300 L
Package Weight (Metric)
6.487 kg
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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.

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.
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Frequently Asked Questions

What is the frequency range for motor connection?

The motor connection frequency range is from 0 to 500 Hz.

What is the acceleration and deceleration time range?

Acceleration and deceleration times can be programmed from 0.1 to 1800 seconds.

Does the drive have built-in serial communication capabilities?

Yes, the drive has built-in RS 485 serial communication with the Modbus RTU protocol.

What is the maximum relative humidity allowed for operation?

The relative humidity must be lower than 95%, without condensation.

What is the power and voltage range for ABB standard drives?

The drives support 3-phase power with ranges including 208-240V (0.75-100Hp), 380-480V (1-550Hp), and 500-600V (1.5-150Hp).

What is the auxiliary voltage provided by the drive?

The drive provides an auxiliary voltage of 24 V DC ±10% with a maximum current of 250 mA.

What is the operating ambient temperature range for the drives?

The drives operate in ambient temperatures between 15 to 40°C (5 to 104°F), with derating required from 40 to 50°C (104 to 122°F).

What types of analog inputs are available?

The drives offer two analog inputs that can accept voltage signals (0-10V) or current signals (0-20mA).

How many digital inputs are available and what are their specifications?

There are six digital inputs that accept 12V to 24V DC with a maximum delay of 5 ms ± 1ms.

What are the specifications for the relay outputs?

Three relay outputs are available with a maximum switching voltage of 250V AC/30V DC and a maximum switching current of 6A.