Authorized ABB Distributor (Low Voltage Drives)
ABB - Low Voltage Drives ACS550-U1-059A-4+B055+L512 - ACS550 AC Drive, 3-380-480V In, 40HP, 59A, Type 12/IP55, 1.1 overload, Advanced, 29.9 x 10.1 x 11.2 in, Wall, 115/230 V digital input

ABB Low Voltage Drives ACS550-U1-059A-4+B055+L512 ACS550 AC Drive, 3-380-480V In, 40HP, 59A, Type 12/IP55, 1.1 overload, Advanced, 29.9 x…

Alternate Item Number: 3AUA0000007979

UPC: 662348048498


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-U1-059A-4+B055+L512 is a compact AC drive engineered for precise motor control in industrial applications. This 40HP drive delivers a continuous current rating of 59A, operating efficiently on a 3-phase input voltage range of 380-480VAC with ±10% tolerance. Its Type 12/IP55 enclosure ensures protection against dust ingress and low-pressure water jets, making it suitable for harsh environments. The drive features a 1.1 overload capability for reliable operation under demanding conditions, with dimensions of 29.9 x 10.1 x 11.2 inches for space-efficient wall mounting. Control flexibility is provided via two analog inputs (0-10V or 0-20mA), two analog outputs (0-20mA), six digital inputs (12-24VDC, PNP/NPN compatible), and three relay outputs (250VAC/30VDC, 6A max). Built-in Modbus RTU over RS485 enables seamless integration with industrial automation systems. The ACS550 includes a 115/230V digital input for precise control signal integration. Ideal for applications such as pumps, fans, conveyors, and compressors, this drive offers programmable acceleration/deceleration times from 0.1 to 1800 seconds and frequency output from 0 to 500Hz. The compact form factor and durable construction optimize performance in manufacturing, material handling, and process automation. Power factor correction of 0.98 enhances energy efficiency, while the auxiliary 24VDC supply (250mA max) supports external sensors and devices.
  • 40HP output at 59A continuous current rating
  • 380-480VAC ±10% input range, 3-phase
  • Type 12/IP55 enclosure for dust and water resistance
  • Two analog inputs (0-10V/0-20mA), two analog outputs (0-20mA)
  • Six digital inputs (12-24VDC), three relay outputs (250VAC/30VDC)
  • Built-in Modbus RTU over RS485 for industrial communication
  • Programmable acceleration/deceleration (0.1-1800s)
  • Compact dimensions: 29.9 x 10.1 x 11.2 inches, wall-mountable
  • 1.1 overload capability for reliable operation
  • Auxiliary 24VDC supply (250mA max) for external devices

Specifications

Connection Type
115/230 V digital input
Control Panel
Advanced
Current Rating
59 A
Frame Size
R4
Input Phase
3-Phase
IP Rating
IP55
Mounting Type
Wall
Nema Rating
Type 12
Options
115/230 V digital input
Output Current
59
Output Phase
3-Phase
Series
ACS550
Size
29.9 x 10.1 x 11.2 in
UL Type
12
Voltage
480
Voltage Range
380-480
Voltage Rating
380-480 VAC
Package Dimensions (L x W x H)
11.2 in x 10.1 in x 29.9 in
Package Dimensions (L x W x H)
28.448 cm x 25.654 cm x 75.946 cm
Package Weight (Imperial)
75.000 L
Package Weight (Metric)
34.020 kg
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Frequently Asked Questions

What are the voltage and power ranges for ACS550 drives?

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

Does the drive have built-in serial communication capabilities?

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

What product compliance and certifications does the ACS550 series have?

The drives have UL, cUL, CSA, CE, C-TICK, and GOST-R approvals, and are certified to ICC AC-156 seismic criteria.

What is the operating frequency range for the motor connection?

The motor connection operates within a frequency range of 0 to 500 Hz.

What protection classes (NEMA ratings) are available for the ACS550 drives?

Available protection classes include UL Type 1, 12, or 3R (NEMA 1, 12, or 3R) depending on the specific model and enclosure.

What are the environmental operating temperature limits?

The ambient temperature range is 15 to 40°C (5 to 104°F), with derating required from 40 to 50°C (104 to 122°F).

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 maximum relative humidity allowed for operation?

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

What is the acceleration and deceleration time range?

Acceleration and deceleration times can be set between 0.1 to 1800 seconds.

What are the specifications for the relay outputs?

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