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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supports braking-duty records, R3 replacement review, quotations, and ABB documentation.

        ACS550-01-045A-4

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        For loads with demanding deceleration, ABB ACS550-01-045A-4 provides a 45 A R3 drive platform whose braking duty must be engineered.
        In Stock
        Ships by Friday, October 30
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for ACS550-01-045A-4

        • Manufacturer:
          ABB
        • Part Number:
          ACS550-01-045A-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:
          45 A
        • Normal Output Power:
          22 kW
        • Heavy-duty Output Current:
          38 A
        • Heavy-duty Output Power:
          18.5 kW
        • Frame Size:
          R3
        • 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:
          16 kg
        • Estimated shipping dimensions:
          20.3 x 49 x 23.1 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 Braking Feeder Handover

        Features:

        • 45 A R3 normal-use point for 22 kW motor systems
        • Heavy-duty selection tied to the real torque and overload cycle
        • Stopping-energy review for regenerative or high-inertia machinery
        ACS550-01-045A-4 occupies the R3 rating where stopping energy and repeated torque demand often drive the final engineering decision.

        The control platform can manage local, hardwired, and Modbus commands, but it cannot absorb an undefined regenerative duty; machine inertia and the requested stop time must be quantified first.

        A controlled replacement preserves the old parameter file as evidence, compares it with the exact hardware and firmware, and validates protection, braking, interlocks, and loaded stops before handover.

        Availability is subject to Apter Power's current inventory and sourcing confirmation.
        ABB ACS550-01-045A-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 ACS550-01-045A-4 ACS550 General Purpose Drive Specs

        General

        • ManufacturerABB
        • ModelACS550-01-045A-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.

        Stopping-energy assessment

        • Load behavior: Identify overhauling torque, inertia, and every operating condition that can regenerate.
        • Stop cycle: Calculate deceleration time, repetition, and energy rather than selecting by motor power.
        • Hardware: Use only braking components and connections permitted by ABB documentation.
        • Protection: Coordinate resistor thermal protection and machine safe-stopping requirements.

        22 kW power-circuit coordination

        • Fault level: Use the available short-circuit current in protective-device selection.
        • Conductors: Verify ampacity, installation method, voltage drop, bend radius, and terminal range.
        • Isolation: Provide a lockable and correctly rated means of supply isolation.
        • PE system: Complete protective-earth, bonding, and shield terminations before energizing.

        Configuration control

        • Source file: Retain a verified backup from the installed drive when available.
        • Comparison: Review motor data, macro, I/O, limits, ramps, protection, and network settings.
        • Testing: Validate the transferred set under safe and controlled operating conditions.
        • Archive: Store the accepted file with model, date, firmware, options, and approval details.
        Description
        Stopping behavior is a key engineering distinction for ACS550-01-045A-4. The R3 drive is rated at 22 kW and 45 A in normal use, while ABB documents a different heavy-duty point for higher-torque or repeated-overload operation.

        Where a conveyor, mixer, or high-inertia load can return energy, ACS550-01-045A-4 must be evaluated against deceleration time, load inertia, regenerative torque, stop frequency, and the permitted machine response. An external braking solution cannot be selected from power alone.

        Before ACS550-01-045A-4 receives an existing parameter file, the motor data, firmware, options, I/O, network, protection, limits, and braking configuration should be compared. Feeder records and acceptance tests must then confirm that the electrical design and stopping sequence match the installed process.
        Alternative Names
        ACS550 01 045A 4 ACS55001045A4 ABB ACS550-01-045A-4 ABB ACS550 01 045A 4 ACS550 45 A 22 kW drive ABB ACS550 22 kW general purpose drive
        Technical notes
        Before applying ACS550-01-045A-4, compare the 45 A normal-use and documented heavy-duty points with the motor current, acceleration, and stopping cycle. Confirm whether the load can regenerate, then coordinate external braking hardware if required, R3 cooling, feeder protection, conductors, PE and motor-cable terminations, command ownership, and controlled parameter migration.
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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.
        VIEW ALL FAQS
        Does the load connected to ACS550-01-045A-4 require external braking hardware?
        Calculate regenerative energy from load inertia, overhauling torque, speed, stopping time and repetition; then compare the result with ABB drive and braking-component limits and the machine safety function.
        Which duty profile decides between the normal and heavy-duty ratings of ACS550-01-045A-4?
        The ABB duty points use different continuous current, power and overload assumptions. Select from the actual torque and cycle profile, not the motor kilowatt rating or frame alone.
        During deceleration, why might ACS550-01-045A-4 trip on DC overvoltage?
        Check regenerative load energy, ramp time, supply voltage, stopping frequency, braking configuration, resistor condition, parameter limits, mechanical changes, and whether another drive or process is affecting the common supply.
        Before an old parameter file is loaded into ACS550-01-045A-4, what must match?
        Compare exact drive ratings, firmware, options, motor nameplate, macro, I/O mapping, network settings, limits, protection, braking, and the process sequence; keep a rollback copy.
        How should feeder protection for ACS550-01-045A-4 be documented?
        Record the fault-current study, protective device and rating, isolation, conductor data, PE design, terminal preparation and torque, cable route, selectivity decision, and applicable installation rules.
        What should procurement specify when requesting ACS550-01-045A-4?
        State the exact model, condition, motor and load profile, stopping duty, supply and earthing, R3 enclosure, protection, control and communication scope, quantity, inspection, destination, and target date.

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