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ACS550-01-012A-4

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Compact ABB ACS550-01-012A-4 combines an 11.9 A normal-use output, R1 wall mounting, and process control for smaller pump and fan motors.
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Technical specifications for ACS550-01-012A-4

  • Manufacturer:
    ABB
  • Part Number:
    ACS550-01-012A-4
  • Product Family:
    ABB Drives
  • Product Type:
    ACS550 General Purpose Drive
  • Stock:
    1
  • Supply Voltage:
    3-phase 380 ... 480 V AC
  • Input Frequency:
    48 ... 63 Hz
  • Normal Output Current:
    11.9 A
  • Normal Output Power:
    5.5 kW
  • Heavy-duty Output Current:
    8.8 A
  • Heavy-duty Output Power:
    4 kW
  • Frame Size:
    R1
  • Degree of Protection:
    IP21
  • Mounting:
    Wall-mounted
  • Motor Control:
    Scalar and sensorless vector control
  • Embedded Communication:
    Modbus RTU
  • Analog Inputs:
    2
  • Analog Outputs:
    2
  • Digital Inputs:
    6
  • Relay Outputs:
    3
  • Weight:
    6.5 kg
  • Estimated shipping dimensions:
    12.5 x 33 x 21.2 cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Compact Pump Start Wiring

Features:

  • Compact R1 format for lower-power wall-mounted panels
  • 11.9 A normal-use and 8.8 A heavy-duty output points
  • PID, configurable I/O, and embedded Modbus for pump or fan control
For compact utility equipment, ACS550-01-012A-4 combines the R1 mechanical format with the standard ACS550 control environment.

Its process-control functions can coordinate a local reference, transmitter feedback, permissives, alarms, and serial supervision without changing the documented current limits.

A useful selection record links the motor nameplate and pump or fan curve to cabinet airflow, cable length, earthing method, minimum speed, and the intended owner of the run command.

Availability is subject to Apter Power's current inventory and sourcing confirmation.
ABB ACS550-01-012A-4 ACS550 Drive Manuals, Datasheets, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ABB ACS550-01-012A-4 ACS550 General Purpose Drive Specs

General

  • ManufacturerABB
  • ModelACS550-01-012A-4
  • ConditionNew Original ready stock
  • Product FamilyABB ACS550 Drives
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

R1 enclosure planning

  • Footprint: Confirm the R1 mounting pattern, cable bends, and cover access before drilling the backplate.
  • Air path: Keep the documented top and bottom cooling spaces clear inside the cabinet.
  • Cable zones: Separate motor, supply, and low-level control wiring to support reliable operation.
  • Service reach: Leave safe access to the panel, terminals, fan, and isolation points.

Pump commissioning priorities

  • Motor record: Enter and verify the complete motor nameplate before the first loaded run.
  • Process limits: Set minimum speed, ramps, and reference limits to protect the hydraulic process.
  • Permissives: Test valve position, dry-run, pressure, and external trip logic where the project requires them.
  • Acceptance: Record current, speed, reference, pressure, and fault-free operation at representative duty points.

Control and power connection checks

  • PE continuity: Verify protective-earth continuity and shield termination before energizing.
  • Analog signals: Confirm signal type, scaling, common, and loss-of-reference behavior.
  • Digital control: Document run, enable, reset, and interlock assignments.
  • Modbus: Freeze address, baud rate, parity, timeout, and control-word ownership.
Description
ACS550-01-012A-4 places ABB general-purpose motor control in the compact R1 wall-mounted format. The 380-480 V IP21 configuration is rated for 5.5 kW and 11.9 A in normal use, giving panel builders a small ACS550 option for lower-power process motors.

In pump and fan loops, ACS550-01-012A-4 can combine local panel operation, configurable analog and digital signals, PID functions, and embedded Modbus communication. These functions allow speed demand, interlocks, feedback, and supervisory commands to be coordinated within the approved control design.

Cabinet builders considering ACS550-01-012A-4 should check the motor nameplate, minimum process speed, R1 ventilation, cable routing, earthing, command ownership, and reference scaling. IT or corner-grounded TN installations also require the ABB procedure for the internal EMC-filter connection.
Alternative Names
ACS550 01 012A 4 ACS55001012A4 ABB ACS550-01-012A-4 ABB ACS550 01 012A 4 ACS550 11.9 A 5.5 kW drive ABB ACS550 5.5 kW general purpose drive
Technical notes
Before installing ACS550-01-012A-4, confirm the 380-480 V three-phase supply, 11.9 A normal-use motor current, R1 airflow, and motor-cable arrangement. On IT or corner-grounded TN systems, follow the ABB instructions for disconnecting the internal EMC filter, then verify control-source ownership, analog scaling, embedded Modbus settings, and safe isolation before commissioning.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which motor and pump records are needed to size ACS550-01-012A-4 correctly?
Compare the motor nameplate current, voltage, speed, service factor, pump curve, minimum safe speed, acceleration demand, ambient temperature, and cable length with the ABB rating and installation guidance.
Before ACS550-01-012A-4 is connected to an IT network, what EMC-filter check is required?
Follow the ABB instructions for the internal EMC-filter connection, then verify network earthing, insulation monitoring, protective devices, motor cable, PE arrangement, and local electrical requirements before energizing.
Why might a pressure loop controlled by ACS550-01-012A-4 hunt after startup?
Review transmitter scaling and damping, PID direction and gains, minimum speed, ramp settings, hydraulic instability, sensor location, signal shielding, and whether another reference source has priority.
Can several drives share the Modbus segment used by ACS550-01-012A-4?
Yes, when each node has a unique address and the RS-485 topology, termination, grounding, baud rate, parity, polling, timeout behavior, and command ownership follow the approved design.
After repeated overcurrent trips, which evidence should be preserved from ACS550-01-012A-4?
Preserve the fault record and operating values, then inspect motor data, ramp time, mechanical binding, process demand, cable insulation, motor condition, current limits, and recent parameter or wiring changes.
An RFQ for ACS550-01-012A-4 should include which project details?
Provide the exact model, motor nameplate, load and duty profile, supply and earthing, enclosure, command method, network use, quantity, destination, inspection requirements, and requested delivery date.