PRODUCT INFORMATION
Product Overview
The ABB ACS550-U1-078A-4 is an ACS550 series AC drive designed for motor control. It accepts a three-phase input voltage rating between 380 and 500 V AC. The operating frequency range extends from 48 to 63 Hz. This unit delivers a nominal output current of 77 A. It supports three-phase electric motors with a motor power rating of 60 HP or 45 kW.
This low voltage AC drive utilizes an R5 mechanical frame size for standard equipment mounting. The physical enclosure meets IP21 and NEMA 1 ingress protection specifications. This housing provides defense against falling dirt and vertical water condensation. Plant personnel can integrate this drive directly into compatible electrical enclosures. The hardware maintains stable electrical power delivery within its specified voltage limits.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Motor Power Rating | 60 HP (45 kW) |
|---|
| Input Voltage | 380–500 V AC, 3-phase |
|---|
| Output Current | 77 A (nominal) |
|---|
| Frequency Range | 48–63 Hz |
|---|
| Enclosure | IP21 / NEMA 1 |
|---|
| Frame Size | R5 |
|---|
TECHNICAL INFORMATION
Features
- Constructed with an R5 mechanical frame size.
- Rated for three-phase input voltages from 380 to 500 V AC.
- Supplies 77 A nominal output current.
- Rated for electric motor outputs up to 60 HP or 45 kW.
- Enclosed in an IP21 and NEMA 1 protective structure.
- Operates with AC line frequencies spanning 48 to 63 Hz.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the R5 frame vertically on a flat, non-flammable surface.
- Maintain clear spacing around the unit for ventilation and thermal dissipation.
- Install the unit inside an environment consistent with IP21 and NEMA 1 ratings.
- Verify that the three-phase input supply remains between 380 and 500 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 motor power rating for the ABB ACS550-U1-078A-4?
The drive supports three-phase motor loads rated up to 60 HP or 45 kW.
What enclosure rating does the ACS550-U1-078A-4 feature?
The physical housing is built to IP21 and NEMA 1 specifications.
What is the reference market price for this AC drive?
Observed refurbished market pricing is approximately $3,056.00 USD. This figure is an indicative market reference only and not a final quotation.
