PRODUCT INFORMATION
Product Overview
The ABB ACS550-U1-143A-2 is a low voltage AC drive within the ACS550 product family. It operates on a three-phase input voltage rating of 208 to 240 V AC. The drive provides a nominal output power rating of 50 HP. It delivers a continuous rated current of 143 A. This unit utilizes an R6 physical frame size design for industrial motor control installations.
The unit features an IP21 and NEMA 1 rated enclosure. It supports direct connect cabling through bottom and side conduit entry locations. Operating output frequency ranges from 48 to 63 Hz during standard operation. Industrial facilities use this drive to manage variable speed control for compatible AC induction motors.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Rated Current | 143 A |
|---|
| Rated Power | 50 HP (nominal @ 208–240 V) |
|---|
| Input Voltage | 208–240 V AC, 3-phase |
|---|
| Output Frequency | 48–63 Hz |
|---|
| Enclosure Rating | IP21 / NEMA 1 |
|---|
| Frame Size | R6 |
|---|
| Mounting / Conduit | Direct connect, bottom/side conduit |
|---|
TECHNICAL INFORMATION
Features
- Frame size R6 construction for wall-mounted industrial deployment.
- Rated for 143 A continuous current output at 208–240 V AC.
- Configured with an IP21 / NEMA 1 protective enclosure.
- Offers bottom and side conduit entry points for direct connect wiring.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the R6 frame unit securely to a flat vertical surface.
- Route incoming power and motor wiring through designated bottom or side conduit openings.
- Ensure adequate clearance around the IP21 enclosure for unrestricted cooling airflow.
- Verify that supply line voltages match the rated 208 to 240 V AC specification.
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 are the primary electrical ratings for the ABB ACS550-U1-143A-2?
The drive requires a 208–240 V AC 3-phase input, delivering 143 A and nominal 50 HP power.
What enclosure rating does the ACS550-U1-143A-2 provide?
The drive comes standard with an IP21 and NEMA 1 rated enclosure for indoor installations.
What is the market reference price for the ACS550-U1-143A-2?
Observed market reference pricing spans from $116.42 to $9,562.00 depending on condition. These figures are indicative market reference pricing only, not a final quotation.
