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    Apter Power supports R4 integration records, fan-duty review, quotations, and legacy sourcing.

ACS550-01-072A-4

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ABB ACS550-01-072A-4 supplies 72 A from an R4 enclosure for 37 kW fan and pump systems requiring high-current integration and recovery planning.
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Technical specifications for ACS550-01-072A-4

  • Manufacturer:
    ABB
  • Part Number:
    ACS550-01-072A-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:
    72 A
  • Normal Output Power:
    37 kW
  • Heavy-duty Output Current:
    59 A
  • Heavy-duty Output Power:
    30 kW
  • Frame Size:
    R4
  • 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:
    24 kg
  • Estimated shipping dimensions:
    20.3 x 59.6 x 26.2 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 Power Fit Fan Duty Recovery

Features:

  • 72 A normal-use output for 37 kW fan and pump motors
  • R4 installation with high-current feeder and handling requirements
  • Defined network-loss, restart, and fault-recovery behavior
ACS550-01-072A-4 is the higher-current R4 choice in this group, placing 72 A motor duty beside lifting, cable, and cabinet-cooling requirements.

Large fan applications benefit from documented damper sequencing, speed-band review, airflow or pressure feedback, and a controlled response to loss of the serial command source.

Handover evidence should connect the fan curve and loaded current to R4 installation checks, communication tests, thermal conditions, fault records, and the approved restart philosophy.

Availability is subject to Apter Power's current inventory and sourcing confirmation.
ABB ACS550-01-072A-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 ACS550-01-072A-4 ACS550 General Purpose Drive Specs

General

  • ManufacturerABB
  • ModelACS550-01-072A-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.

R4 integration readiness

  • Structure: Confirm the mounting surface and fasteners support the drive and cable forces.
  • Feeder: Coordinate fault level, isolation, protection, conductors, and terminal preparation.
  • Cooling: Provide unobstructed airflow and control the cabinet inlet temperature.
  • Handling: Plan safe movement, lifting, positioning, and inspection before installation.

Large fan-system considerations

  • Torque curve: Validate current across the required airflow and pressure range.
  • Resonance: Identify speed bands that produce unacceptable mechanical vibration.
  • Dampers: Coordinate opening, closing, minimum-flow, and emergency sequences.
  • Recovery: Define restart permissions and process behavior after power or network loss.

Evidence-based return to service

  • Capture: Preserve fault code, timestamp, current, speed, temperature, and command source.
  • Inspect: Check supply, motor, cable, cooling, load, controls, and recent work.
  • Test: Use a staged run to verify the correction without hiding recurring symptoms.
  • Archive: Update the maintenance record, parameter backup, and acceptance evidence.
Description
At 72 A, ACS550-01-072A-4 serves 37 kW normal-use motors from an R4 IP21 enclosure. The electrical rating brings feeder capacity, larger conductors, PE connections, cabinet airflow, lifting, and maintenance access into the same project decision.

For a large fan, ACS550-01-072A-4 can coordinate speed with pressure or airflow demand while respecting damper sequences, resonance bands, minimum flow, and emergency operating modes. Stable current should be confirmed across the usable part of the fan curve.

Operational recovery for ACS550-01-072A-4 should be defined before commissioning. Network-loss behavior, restart permission, process interlocks, thermal evidence, fault capture, staged testing, and an archived parameter backup help prevent an unexplained return to service.
Alternative Names
ACS550 01 072A 4 ACS55001072A4 ABB ACS550-01-072A-4 ABB ACS550 01 072A 4 ACS550 72 A 37 kW drive ABB ACS550 37 kW general purpose drive
Technical notes
Before releasing ACS550-01-072A-4, verify the 72 A motor duty, R4 mounting and lifting plan, feeder protection, conductor and PE terminations, and documented cooling path. Check ambient and altitude derating, motor-cable length and insulation, regenerative stopping requirements, embedded Modbus ownership and timeout response, process interlocks, and safe loaded 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.
For a large fan, which duty data should be checked against ACS550-01-072A-4?
Compare motor current, fan curve, breakaway torque, speed range, resonance, damper sequence, acceleration, ambient and altitude, cable length, enclosure cooling, and the required operating and emergency modes.
What belongs in the lifting and installation plan for ACS550-01-072A-4?
Confirm transport route, mass, lifting method, competent personnel, mounting support, orientation, cable entry, service clearances, safe isolation, inspection points, and protection from contamination before commissioning.
At low airflow, why might motor current rise with ACS550-01-072A-4?
Investigate fan system curve, closed or mispositioned dampers, mechanical drag, incorrect rotation, motor data, minimum-speed operation, current limits, resonance, process restrictions, and any recent ductwork change.
How can communication-loss behavior be safely tested on ACS550-01-072A-4?
Simulate the approved loss condition under controlled circumstances and verify timeout detection, run and reference response, alarm, local takeover, interlocks, restart permissions, and stable process recovery.
Which operating evidence helps diagnose recurring thermal trips in ACS550-01-072A-4?
Collect cabinet and ambient temperature, drive current, fan and filter condition, airflow path, switching frequency, altitude, process load, motor data, event timing, and changes made before the trip.
Before handover, what project records should accompany ACS550-01-072A-4?
Include identifiers, motor and load study, feeder and cable design, R4 layout, cooling calculation, I/O and network drawings, parameters, interlock and loaded tests, fault baseline, backups, and maintenance plan.