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    Apter Power supports handling reviews, high-current records, modernization documentation, and sourcing requests.

ACS550-01-124A-4

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ABB ACS550-01-124A-4 is a historical 55 kW, 124 A drive whose handling, power circuit, cooling, and modernization plan require documented review.
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Technical specifications for ACS550-01-124A-4

  • Manufacturer:
    ABB
  • Part Number:
    ACS550-01-124A-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:
    124 A
  • Normal Output Power:
    55 kW
  • Frame Size:
    R5
  • 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:
    34 kg
  • Estimated shipping dimensions:
    26.5 x 60.2 x 28.6 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 R5 Handling Integration Upgrade

Features:

  • Historical 55 kW ACS550 configuration identified by 124 A
  • High-current installation demands planned handling and conductor access
  • Modernization requires staged electrical, control, and loaded validation
ACS550-01-124A-4 is the largest historical rating in this batch, so access, lifting, structural support, cable forces, and heat removal are part of product selection.

Its integration record should connect the power study and motor system to terminal preparation, PE and shield practice, cooling, control wiring, Modbus behavior, braking, and maintenance reach.

A staged modernization plan preserves the original identifiers and configuration, documents every functional gap, and defines unloaded, loaded, interlock, communication, stop, and recovery tests.

Availability is subject to Apter Power's current inventory and sourcing confirmation.
ABB ACS550-01-124A-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 ACS550-01-124A-4 ACS550 General Purpose Drive Specs

General

  • ManufacturerABB
  • ModelACS550-01-124A-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.

Transport and mechanical preparation

  • Route: Confirm transport dimensions, access path, unloading point, and protected storage.
  • Lift: Use approved equipment, competent personnel, and the documented lifting method.
  • Mount: Verify structural support, fasteners, orientation, and cable forces.
  • Access: Preserve safe space for isolation, terminals, panel, fan, and inspection.

High-current electrical coordination

  • Feeder: Base protection on fault level, ABB guidance, selectivity, and local rules.
  • Cables: Verify conductor ampacity, installation, lugs, bend radius, support, and torque.
  • Cooling: Calculate enclosure heat removal with filters, recirculation, altitude, and other losses.
  • Motor system: Review insulation, cable length, PE, shields, braking, and operating duty.

Controlled legacy-system transition

  • Baseline: Archive identifiers, options, drawings, parameters, firmware, and operating evidence.
  • Gap review: Compare mechanical, electrical, control, network, braking, and safety functions.
  • Testing: Define staged functional, communication, interlock, and loaded acceptance tests.
  • Recovery: Maintain an approved rollback and production-recovery plan throughout the change.
Description
Handling and cabinet integration define the project scope around ACS550-01-124A-4. ABB historical documentation lists this ACS550 configuration at 55 kW and 124 A, placing substantial mechanical, conductor, cooling, and service-access demands on the installation.

The power circuit serving ACS550-01-124A-4 should be reviewed from site fault current through isolation, protection, conductors, PE design, lugs, support, and terminal preparation. The enclosure calculation must include drive losses, filters, recirculation, ambient temperature, altitude, and neighboring heat sources.

Modernizing an installation built around ACS550-01-124A-4 requires more than copying parameters. Existing I/O, Modbus topology, command ownership, braking, interlocks, motor behavior, process tests, backup records, and rollback readiness should be compared before production release.
Alternative Names
ACS550 01 124A 4 ACS55001124A4 ABB ACS550-01-124A-4 ABB ACS550 01 124A 4 ACS550 124 A 55 kW drive ABB ACS550 55 kW general purpose drive
Technical notes
ACS550-01-124A-4 is a legacy 55 kW, 124 A R5 ordering code; never select a substitute from kilowatts alone. Capture the complete nameplate, fitted options, firmware, parameters, motor duty, feeder, conductors, cooling, braking, I/O, and Modbus records, then approve the R5 handling, mounting, cable-entry, and loaded-validation plan before installation.
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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.
Before moving ACS550-01-124A-4, what handling and access constraints must be planned?
Confirm mass and dimensions, access route, unloading and lifting equipment, storage, mounting support, orientation, cable entry, service clearances, isolation, responsible personnel, and the inspection sequence.
How should the 124 A power circuit serving ACS550-01-124A-4 be reviewed?
Use the site fault current, ABB protection data, isolation, conductor thermal and short-circuit ratings, installation method, voltage drop, PE design, lugs, bend radius, support, torque, and local rules.
Why does the installation of ACS550-01-124A-4 need a cabinet-cooling calculation?
The design must combine drive losses and airflow with ambient temperature, enclosure rating, filters, recirculation, altitude, neighboring heat sources, maintenance condition, and the required thermal margin.
Can existing control and network wiring be reused with ACS550-01-124A-4?
Only after comparing terminal functions, voltage and signal types, commons, relay loads, shielding, grounding, Modbus topology and settings, command ownership, timeout behavior, and the approved plant drawings.
Which staged tests reduce risk when modernizing an ACS550-01-124A-4 installation?
Use staged checks for isolation, wiring, motor data, rotation, local control, I/O, network, interlocks, ramps, stopping, unloaded and loaded current, process performance, faults, backups, and rollback readiness.
For sourcing ACS550-01-124A-4, which site records are most useful?
Send clear nameplate and option evidence, condition, quantity, motor and load profile, R5 layout, feeder and cable data, cooling, braking, I/O and network details, destination, inspection, and timeline.

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