ABB ACS800-U11 regenerative drive ACS800-U11-0020-2

ACS800-U11-0020-2 is documented as a abb acs800-u11 regenerative drive; verify installation fit before use.

Documented system role and rating

Rebuilt from individual evidence

Unknown: verification boundary

The ABB ACS800 catalog lists ACS800-U11-0020-2 as an R5 regenerative drive for 240 V three-phase supply, with 56 A normal-duty current and a 20 hp normal-duty rating.

The ACS800-U11 family integrates an active supply unit, LCL line filter, and charging circuitry in one wall-mounted package, returning regenerative energy to the AC line.

Inferred system position: Sits between the three-phase AC line and the connected motor in the regenerative drive path.

Unknown: installed motor compatibility, wiring, firmware, service history, physical condition, and current availability require separate confirmation.

Exact reference: ACS800-U11-0020-2
Category: Drives / VFD
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Returns regenerative energy while controlling the connected motor drive path.
System position: Sits between the three-phase AC line and the connected motor in the regenerative drive path.
Upstream / inputs: The three-phase AC line and motor-drive load feed the regenerative drive path.
Downstream / outputs: Controlled motor power and regenerated energy pass through the drive path toward the AC line.
Limitations: Unknown: installed motor compatibility, wiring, firmware, service history, physical condition, and current availability require separate confirmation.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The ABB ACS800 catalog lists ACS800-U11-0020-2 as an R5 regenerative drive for 240 V three-phase supply, with 56 A normal-duty current and a 20 hp normal-duty rating.
Confidence: high
- ad-techcci.com — retrieved 2026-09-12; medium confidence
The ACS800-U11 family integrates an active supply unit, LCL line filter, and charging circuitry in one wall-mounted package, returning regenerative energy to the AC line.
Confidence: medium
- ad-techcci.com — retrieved 2026-09-12; medium confidence

Inferences

Sits between the three-phase AC line and the connected motor in the regenerative drive path.
Confidence: medium
Rationale: The documented drive identity and ratings establish the product function; its placement in the supply-to-motor path is an explicit system inference.
- ad-techcci.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: installed motor compatibility, wiring, firmware, service history, physical condition, and current availability require separate confirmation.
Confidence: low
Missing evidence: The captured sources do not establish the installed system, complete option set, unit condition, or current commercial status.

System position diagram

ACS800-U11-0020-2 receives AC power and a motor-control reference and sends controlled power to a connected motor. — The drive receives AC power and a control reference, then supplies the connected motor.

View Mermaid source

flowchart LR\n  supply["AC supply"] --> item["ACS800-U11-0020-2"]\n  command["Motor-control reference"] --> item\n  item --> motor["Connected motor"]

View diagram labels

Nodes: AC supply; ACS800-U11-0020-2; Connected motor
Edges: Input power; Controlled motor power

Next action

The captured evidence supports publishing ACS800-U11-0020-2 as a documented abb acs800-u11 regenerative drive; verify installation-specific fit before use.

Confirm supply, motor data, wiring, options, and unit condition before installation.

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