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ACS 550 Series AC Drives Versatile, Heavy Duty Control

ABB Drives - ACS 140 Series AC Drives

ABB's position in the world drives market today is driven by their knowledge from more than a century of close co-operation with industrial clients around the world. ABB is able to provide a complete offering of AC Inverters, VFD’s with multiple technologies, Sensorless Vector Control to Open loop Inverters. ABB Drives offers them in 208v, 230v, 380v, 460v, 575v as well as Medium Voltage. AutomationStock can supply the full range of ABB drives to suit any HVAC or industrial applications.

AutomationStock can supply the full range of ABB drives to suit any HVAC or industrial applications.

Variable Frequency Inverters ACS140, ACS350, ACS550 & ACS800. Softstarts & DC Drives in Stock!

The ACS550 is available in two mounting configurations. A brief description and photo are provided below to facilitate model selection and understanding of what is offered with each standard product. 

Contact Us

Automation Stock / Rome Electric
36 Westside Industrial Blvd.
Rome, GA 30165
Phone:706-413-1560
Fax: 706-232-2071

Email: sales@automationstock.com

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See Also:
ACS550-U1-XXXX-X
The ACS550-U1 is a wall-mountable drive and is available from 0.75 to 100 HP in 230V and to 150 HP in 480V input voltages. The ACS550-U1 has six frame sizes (R1 to R6). The ACS550-U1 is available in a standard UL Type 1 (NEMA 1) or optional UL Type 12 (NEMA 12)  enclosure and has a control panel for user interface, parameter adjustment and drive operation  mounted on the front of the drive. The front section of the ACS550-U1 contains the electronics,  power and control wire terminals. The rear section forms a cooling channel. The two section  construction allows the unit to be installed protruding through a wall, or through the rear wall of a  customer supplied enclosure using additional hardware, placing the rear section in a cooling air duct  to minimize the heat inside the cabinet. In standard installations, the drive is mounted directly onto  a wall and uses the provided conduit box. Conduit openings (knock-outs) are provided for bottom  and sid e conduit entry. For mounting inside a customer supplied cabinet, the conduit box may be  removed. R1 and R2 frames have built-in braking choppers. 
 
ACS550-U2-XXXX-X
This product is available from 150 to 550 HP for 480V input power. It is designed to be a  free-standing floor mount enclosure. It is available in a standard UL Type 1 (NEMA 1) enclosure and  is provided with a through the door interlocked, fusible disconnect switch, lockable in the off  position. A control panel for user interface, parameter adjustment and drive operation is provided on  the front of the drive enclosure. Cooling air intake and exhaust vents are covered with grates to  keep out unwanted objects. Input power and motor leads enter through the top of the drive. A US  conduit plate is provided as standard. A common mode filter is provided on drives larger than 250  horsepower. 

ACS550-02-XXXX-X
This product is available from 200 through 550 horsepower for 480V input power. It is designed to  be a free-standing floor-mount enclosure. It is available in a standard UL Type 1 (NEMA 1) enclosure  and has a control panel for user interface, parameter adjustment and drive operation mounted on  the front of the enclosure. Cooling air intake and exhaust vents are covered with grates to keep out  unwanted objects. As standard, input power and motor leads enter and exit through the bottom of  the drive in a unique cabling pedestal that provides for drive removal without removal of the cables.  A common mode filter is provided as standard for drives rated 250 Hp or larger. A US conduit plate is  provided as standard. 

Features and Benefits:

  • Start up, maintenance and diagnostic assistants
  • Support for 15 languages
  • Full graphic display
  • "Help" button
  • Handles the most demanding industrial applications efficiently and economically
  • Trouble free start up and intuitive operation
  • Combines a sophisticated processor with advanced IGBT power switching technology
  • V/Hz, sensorless vector, and open loop torque control of AC motors
  • Pre programmed application macros for minimal start up time

Redesigned conduit box

  • Same for US and Europe
  • Plenty of conduit holes
  • NEMA size knockouts
  • Bottom and side entrances
  • Plastic cover integrates with drive

480V Ratings
3-phase supply- voltage 380, 400, 415, 440, 460 or 480V - Power ratings are valid at nominal voltage, 480V

Type Code Nominal Ratings (4, 5)  
UL Type 1 Normal Duty (CT) Heavy-duty (CT)
NEMA 1 (6,7,9) (110% I 2N ) (150% I 2hd )
  I 2N P N I 2hd P hd
  A (1,3) HP (8) A (2,3) HP (8)
ACS550-U1-03A3-4 3.3 1.5 2.4 1
ACS550-U1-04A1-4 4.1 2 3.3 1.5
ACS550-U1-06A9-4 6.9 3 5.4 2
ACS550-U1-08A8-4 8.8 5 6.9 3
ACS550-U1-012A-4 11.9 7.5 8.8 5
ACS550-U1-015A-4 15.4 10 11.9 7.5
ACS550-U1-023A-4 23 15 15.4 10
ACS550-U1-031A-4 31 20 23 15
ACS550-U1-038A-4 38 25 31 20
ACS550-U1-044A-4 44 30 38 25
ACS550-U1-059A-4 59 40 44 30
ACS550-U1-072A-4 72 50 59 40
ACS550-U1-078A-4 77 60 65 50
ACS550-U1-096A-4 96 75 77 60
ACS550-U1-124A-4 124 100 96 75
ACS550-U1-157A-4 157 125 124 100
ACS550-U1-180A-4 180 150 156 125
Free Standing Drives
ACS550-U2-196A-4 196 150 162 125
ACS550-U2-245A-4 245 200 192 150
ACS550-U2-316A-4 316 250 240 200
ACS550-U2-368A-4 368 300 302 250
ACS550-U2-414A-4 414 350 368 300
ACS550-U2-486A-4 486 400 414 350
ACS550-U2-526A-4 526 450 477 400
ACS550-U2-602A-4 602 500 515 450
ACS550-U2-645A-4 645 550 590 500

380V Ratings
3-phase supply voltage 380, 400, 415, 440, 460 or 480 V - Power ratings are valid at nominal voltage, 400 V (4, 5) 

Type Code Nominal Ratings (4, 5)  
UL Type 1 Normal Duty (CT) Heavy-duty (CT)
NEMA 1 (6,7,9) (110% I 2N ) (150% I 2hd )
  I 2N P N I 2hd P hd
  A (1,3) kW (8) A (2,3) kW (8)
ACS550-U1-03A3-4 3.3 1.1 2.4 0.75
ACS550-U1-04A1-4 4.1 1.5 3.3 1.1
ACS550-U1-06A9-4 6.9 2.2 5.4 1.5
ACS550-U1-08A8-4 8.8 4 6.9 3
ACS550-U1-012A-4 11.9 5.5 8.8 4
ACS550-U1-015A-4 15.4 7.5 11.9 5.5
ACS550-U1-023A-4 23 11 15.4 7.5
ACS550-U1-031A-4 31 15 23 11
ACS550-U1-038A-4 38 18.5 31 15
ACS550-U1-044A-4 44 22 38 18.5
ACS550-U1-059A-4 59 30 44 22
ACS550-U1-072A-4 72 37 59 30
ACS550-U1-077A-4 77 41 65 37
ACS550-U1-096A-4 96 45 77 41
ACS550-U1-124A-4 124 55 96 45
ACS550-U1-157A-4 157 75 124 55
ACS550-U1-180A-4 180 90 156 75
ACS550-02-245A-4 245 132 192 110
ACS550-02-368A-4 368 200 284 160
ACS550-02-486A-4 486 250 414 225
ACS550-02-526A-4 526 280 477 250
ACS550-02-602A-4 602 315 515 280
ACS550-02-645A-4 645 355 590 315
ACS550-U2-196A-4 196 110 162 90
ACS550-U2-245A-4 245 132 192 110
ACS550-U2-316A-4 316 160 240 1321
ACS550-U2-368A-4 368 200 302 160
ACS550-U2-414A-4 414 225 368 200
ACS550-U2-486A-4 486 250 414 225
ACS550-U2-526A-4 526 280 477 250
ACS550-U2-602A-4 602 315 515 280
ACS550-U2-545A-4 645 355 590 315

230V Ratings
3-phase supply voltage 208 or 230 V - Power ratings are valid at nominal voltage, 208V

Type Code Nominal Ratings (4,5)  
UL Type 1 Normal Duty (CT) Heavy-duty (CT)
NEMA 1 (6) (110% I 2N ) (150% I 2hd )
  I 2N P N I 2hd P hd
  A (1,3) kW (7) A (2,3) HP (7)
Wall Mounted Drives
ACS550-U1-04A6-2 4.6 1 3.5 0.75
ACS550-U1-06A6-2 6.6 1.5 4.6 1
ACS550-U1-07A5-2 7.5 2 6.6 1.5
ACS550-U1-012A-2 11.8 3 7.5 2
ACS550-U1-017A-2 16.7 5 11.8 3
ACS550-U1-024A-2 24.2 7.5 16.7 5
ACS550-U1-031A-2 30.8 10 24.2 7.5
ACS550-U1-046A-2 46.2 15 30.8 10
ACS550-U1-059A-2 59.4 20 46.2 15
ACS550-U1-075A-2 74.8 25 59.4 20
ACS550-U1-088A-2 88 30 74.8 25
ACS550-U1-115A-2 114 40 88 30
ACS550-U1-143A-2 143 50 114 40
ACS550-U1-178A-2 178 60 150 50
ACS550-U1-221A-2 221 75 178 60
ACS550-U1-248A-2 248 100 192 75




Automation Stock / Rome Electric
36 Westside Industrial Blvd.
Rome, GA 30165
Phone:706-413-1560
Fax: 706-232-2071
Email: sales@automationstock.com

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