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ABB ACS550-01-012A-4 General Purpose Drive Item NO.: 2931444

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Product Name	ABB ACS550-01-012A-4 General Purpose Drive
Item NO.	2931444
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	ABB
Brand	ABB
Creation Time	2026-11-10

ABB ACS550-01-012A-4 General Purpose Drive

ABB Drives · ACS550 low-voltage platform

ABB ACS550-01-012A-4 General Purpose Drive

An exact ABB drive record for 380–480 V three-phase motor control.

ACS550-01-012A-4380–480 V AC

ACS550general purpose drive

Product Introduction

ABB ACS550-01-012A-4 is an ABB wall-mounted low-voltage AC drive in the ACS550 family. It accepts a three-phase 380–480 V supply, rectify it to the internal DC link and synthesize a variable-frequency three-phase output for controlling an AC motor.

Power for ABB ACS550-01-012A-4 enters through the line terminals, passes through the rectifier and DC-link stage, and leaves through the motor terminals while protective earth and control wiring remain separate paths. The complete order code fixes the current class, frame execution and voltage class.

For installation, ABB ACS550-01-012A-4 uses the documented frame frame execution. Cable conductor range, terminal torque, cooling clearance and upstream protection are selected from the installed frame; commissioning then confirms motor data, rotation direction, control source and protective functions before the driven machine is released.

Specification Details

Technical item	Specification
Brand	ABB
Product name	ACS550 wall-mounted low-voltage AC drive
Drive family	ACS550
Voltage class	380–480 V AC, three-phase
Input frequency	48–63 Hz
Motor output	Three-phase variable voltage and frequency
Control interface	Local panel and control terminals
Installation environment	Indoor electrical enclosure / wall mounting
Voltage class	380–480 V AC
Rated current	12 A class
Control role	Variable-speed induction-motor control
Mounting	Wall mounted
Enclosure family	ACS550-01
Input	Three-phase AC
Motor output	Three-phase variable voltage and frequency
Local interface	Control panel connection
Ambient basis	40 °C rating; derate above stated limit
Country	Finland

Product Functions

Product Functions

The operating behavior of ABB ACS550-01-012A-4 is defined by the relationship between the line supply, DC-link conversion, motor output and configured control source.

Power conversion path

ABB ACS550-01-012A-4 converts fixed-frequency three-phase input into a controlled motor waveform; line protection, motor cable and earthing are sized for the exact current and frame execution.

Control and feedback

Start, stop and reference commands can be assigned to the local panel or control terminals, while status and fault information report whether the requested motor command has been accepted.

Load-dependent selection

ABB ACS550-01-012A-4 separates nominal, light-duty and heavy-duty operation so current demand, motor power and overload behavior are matched to the mechanical load rather than chosen from kW alone.

Configuration and Programming

Configuration and Programming

Commissioning ABB ACS550-01-012A-4 requires the correct frame-specific wiring work and an ordered verification sequence; the numerical ratings are applied to actual conductors, load and protection.

Plan while de-energized

Isolate the line supply, wait for the DC link to discharge and verify zero voltage before opening ABB ACS550-01-012A-4. Record the existing control source, motor data and cable positions.

Wire by frame execution

Use the documented conductor range and terminal torque for the installed frame. Keep line, motor, control and protective-earth conductors in their assigned routes, with shield termination and cooling clearances intact.

Commission the motor path

Enter the motor nameplate data, check direction uncoupled where possible, prove start/stop and reference selection, then observe current and fault status under a controlled load before normal service.

Product Questions

What should be checked when ABB ACS550-01-012A-4 will not start after replacement?

ABB ACS550-01-012A-4 should be checked for charged control power, cleared faults, the selected local or remote command source, active interlocks and a valid speed reference before motor wiring is disturbed.

Why can ABB ACS550-01-012A-4 trip when the motor starts even though the kW rating looks correct?

ABB ACS550-01-012A-4 selection must also match motor current, acceleration time and load torque. Confirm entered motor data, mechanical freedom and the applicable nominal or heavy-duty current rating.

How is safe access verified before wiring ABB ACS550-01-012A-4?

For ABB ACS550-01-012A-4, isolate all line and external control supplies, wait the prescribed DC-link discharge interval and measure the DC terminals before touching power conductors.

What causes the motor direction to be wrong on ABB ACS550-01-012A-4?

If ABB ACS550-01-012A-4 runs correctly but rotation is reversed, verify the commanded direction and motor phase sequence. Correct the documented connection only while the drive is isolated and discharged.

Why should terminal torque be checked by frame on ABB ACS550-01-012A-4?

ABB ACS550-01-012A-4 uses frame-dependent conductor sizes and terminal hardware. Applying a torque from another frame can leave a high-resistance joint or damage the terminal.

What should be recorded before commissioning ABB ACS550-01-012A-4?

Record the complete ABB ACS550-01-012A-4 order code, frame, motor nameplate values, control source, cable sizes, protection device and parameter backup so the restored drive can be checked against the installed machine.

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ABB ACS550-01-012A-4 General Purpose Drive Item NO.: 2931444

ABB ACS550-01-012A-4 General Purpose Drive

Product Introduction

Specification Details

Product Functions

Power conversion path

Control and feedback

Load-dependent selection

Configuration and Programming

Plan while de-energized

Wire by frame execution

Commission the motor path

Product Questions

Customer Support

Moore Automation

Recommended Models

Sales Enquiries

Moore Automation

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