PRODUCT INFORMATION
Product Overview
The ABB ACS550-U1-072A-4 is an AC Drive in the ACS550 series. This low voltage AC drive operates on three-phase lines. Its rated three-phase input voltage ranges from 380 to 480 V AC. It accepts AC line supply frequencies between 48 and 63 Hz.
This drive delivers a nominal output current of 72 A. It provides a nominal power rating of 50 HP or 37 kW at 480 V AC. The mechanical structure uses the R4 frame size design. It features an IP21 and NEMA 1 enclosure rating.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Power Rating | 50 HP (37 kW) nominal @ 480 VAC |
|---|
| Input Voltage | 380–480 V AC, 3-phase |
|---|
| Output Current | 72 A (nominal) |
|---|
| Frequency Range | 48–63 Hz |
|---|
| Enclosure | IP21 / NEMA 1 |
|---|
| Frame Size | R4 |
|---|
TECHNICAL INFORMATION
Features
- Operates on a 380 to 480 V AC three-phase input supply.
- Accommodates input line frequencies between 48 and 63 Hz.
- Delivers 72 A nominal output current.
- Provides a nominal power rating of 50 HP or 37 kW at 480 V AC.
- Constructed in an R4 frame size housing.
- Includes an IP21 and NEMA 1 rated enclosure.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the unit in an environment matching IP21 and NEMA 1 specifications.
- Allow proper clearance around the R4 frame size for ventilation.
- Verify that three-phase supply lines supply 380 to 480 V AC.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What is the power rating of the ABB ACS550-U1-072A-4 AC drive?
The drive has a nominal rating of 50 HP or 37 kW at 480 V AC. It supplies 72 A nominal output current.
What input electrical supply does this ACS550 drive require?
The unit requires a three-phase input from 380 to 480 V AC. The operational line frequency range is 48 to 63 Hz.
What frame size and enclosure type does this model use?
The drive uses an R4 frame size. Its protective enclosure meets IP21 and NEMA 1 standards.
What is the market pricing for the ACS550-U1-072A-4?
Observed market prices range between $116.42 and $14,658.46. These figures are indicative market reference pricing only and are not a final quotation. Final costs depend on unit condition, testing, and delivery needs.