ACH580-01-145A-4 ABB ACH580 HVAC drive

ABB ACH580 low-voltage wall-mounted HVAC drive documented at 75 kW and 145 A IEC rating; verify supply, motor, and installation requirements.

Documented system context

Rebuilt from individual evidence

ABB identifies ACH580-01-145A-4 as a low-voltage AC wall-mounted drive for HVAC.

ABB lists ACH580-01-145A-4 at 75 kW, 145 A, and 400 V IEC rating, with a 100 HP, 124 A UL rating.

Controls an AC motor drive stage for HVAC equipment.

Sits between the electrical control side and the HVAC motor.

Exact reference: ACH580-01-145A-4
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: Controls an AC motor drive stage for HVAC equipment.
System position: Sits between the electrical control side and the HVAC motor.
Upstream / inputs: The upstream electrical supply and control signals feed the documented drive stage.
Downstream / outputs: The downstream motor or drive load receives the controlled power-stage result.
Limitations: Unknown: compatibility with a particular machine, firmware, revision, or replacement configuration.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

ABB identifies ACH580-01-145A-4 as a low-voltage AC wall-mounted drive for HVAC.
Confidence: high
- www.abb.com — retrieved 2026-09-12; high confidence
ABB lists ACH580-01-145A-4 at 75 kW, 145 A, and 400 V IEC rating, with a 100 HP, 124 A UL rating.
Confidence: high
- www.abb.com — retrieved 2026-09-12; high confidence

Inferences

Controls an AC motor drive stage for HVAC equipment.
Confidence: medium
Rationale: The source identifies the exact reference's drive or power-stage context; the system function is stated as an explicit engineering inference from that documented context.
- www.abb.com — retrieved 2026-09-12; high confidence
Sits between the electrical control side and the HVAC motor.
Confidence: medium
Rationale: The documented product type and named system context establish the stated placement as an engineering inference, not a separately published connection diagram.
- www.abb.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: compatibility with a particular machine, firmware, revision, or replacement configuration.
Confidence: low
Missing evidence: The captured source does not provide the complete installed-system compatibility record.

System position diagram

Electrical supply and control feed the documented drive stage, which sends a controlled result to the motor or load. — The reference intervenes in the documented drive or power path before the downstream motor or load.

View Mermaid source

flowchart LR; Supply[Electrical supply and control] --> Stage[Documented drive stage]; Stage --> Load[Motor or drive load]

View diagram labels

Nodes: Electrical supply and control; Documented drive stage; Motor or drive load
Edges: Input power and control; Controlled drive output

Next action

The captured evidence supports this exact-reference system description.

Unknown: confirm the installed machine, firmware, revision, and replacement compatibility before ordering.

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