Delta VFD45AMS43ANSAA MS300 22 kW variable frequency drive

Delta's exact model data identifies VFD45AMS43ANSAA as an MS300 series variable frequency drive. The exact model listing records 380 to 480 V three-phase input, a 30 HP or 22 kW motor range, 45 A heavy-duty output, 49 A normal-duty output, and IP20 protection.

Documented system function and position

Rebuilt from individual evidence

Delta's exact model data identifies VFD45AMS43ANSAA as an MS300 series variable frequency drive.

The exact model listing records 380 to 480 V three-phase input, a 30 HP or 22 kW motor range, 45 A heavy-duty output, 49 A normal-duty output, and IP20 protection.

Sits between the three-phase AC supply and the downstream motor in an MS300 drive system.

Unknown: installed wiring, firmware, condition, and installation-specific compatibility are not established by the captured sources.

Exact reference: VFD45AMS43ANSAA
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: Converts three-phase AC input into controlled variable-frequency power for an induction or permanent-magnet motor.
System position: Sits between the three-phase AC supply and the downstream motor in an MS300 drive system.
Upstream / inputs: Receives 380 to 480 V three-phase AC and a motor control command.
Downstream / outputs: Supplies controlled variable-frequency power to the downstream motor.
Limitations: Unknown: installed wiring, firmware, condition, and installation-specific compatibility are not established by the captured sources.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Delta's exact model data identifies VFD45AMS43ANSAA as an MS300 series variable frequency drive.
Confidence: high
- filecenter.deltaww.com — retrieved 2026-09-12; high confidence
The exact model listing records 380 to 480 V three-phase input, a 30 HP or 22 kW motor range, 45 A heavy-duty output, 49 A normal-duty output, and IP20 protection.
Confidence: high
- filecenter.deltaww.com — retrieved 2026-09-12; high confidence
- www.galco.com — retrieved 2026-09-12; medium confidence
Converts three-phase AC input into controlled variable-frequency power for an induction or permanent-magnet motor.
Confidence: high
- filecenter.deltaww.com — retrieved 2026-09-12; high confidence

Inferences

Inferred system position: Sits between the three-phase AC supply and the downstream motor in an MS300 drive system.
Confidence: medium
Rationale: The exact-reference identity and documented product function establish the adjacent system stages.
- filecenter.deltaww.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: installed wiring, firmware, condition, and installation-specific compatibility are not established by the captured sources.
Confidence: low
Missing evidence: The captured sources do not establish installed wiring, firmware, condition, or installation-specific compatibility.

System position diagram

A flow from Receives 380 to 480 V three-phase AC and a motor control command. through VFD45AMS43ANSAA to Supplies controlled variable-frequency power to the downstream motor.. — System placement inferred from the cited evidence: Sits between the three-phase AC supply and the downstream motor in an MS300 drive system.

View Mermaid source

flowchart LR
  upstream["Receives 380 to 480 V three-phase AC and a motor control command."] -->|documented path| item["VFD45AMS43ANSAA"]
  item -->|documented path| downstream["Supplies controlled variable-frequency power to the downstream motor."]

View diagram labels

Nodes: Receives 380 to 480 V three-phase AC and a motor control command.; Delta VFD45AMS43ANSAA MS300 22 kW variable frequency drive; Supplies controlled variable-frequency power to the downstream motor.
Edges: Documented upstream path; Documented downstream path

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