SINAMICS G120X 6SL3220-3YE18-0AF0 infrastructure converter

Evidence-backed SINAMICS G120X infrastructure converter for pump, fan, water/wastewater, and HVAC duties.

System function and position

Rebuilt from individual evidence

Siemens documentation identifies 6SL3220-3YE18-0AF0 as a SINAMICS G120X infrastructure converter.

The cited documentation records 6SL3220-3YE18-0AF0 with 3 kW at 400 V for three-phase 380-480 V AC.

The cited product material describes 6SL3220-3YE18-0AF0 for pump, fan, water/wastewater, and HVAC duties.

Exact reference: 6SL3220-3YE18-0AF0
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 electrical input into controlled output for the pump or fan.
System position: Sits between the three-phase supply and the pump or fan in the drive system.
Upstream / inputs: Accepts the documented three-phase electrical supply at its input terminals.
Downstream / outputs: Supplies controlled electrical output to the connected pump or fan.
Limitations: Unknown: Motor compatibility, site wiring, environmental fit, and current commercial availability require separate checks.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens documentation identifies 6SL3220-3YE18-0AF0 as a SINAMICS G120X infrastructure converter.
Confidence: high
- ebhorsman.com — retrieved 2026-09-12; medium confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The cited documentation records 6SL3220-3YE18-0AF0 with 3 kW at 400 V for three-phase 380-480 V AC.
Confidence: high
- ebhorsman.com — retrieved 2026-09-12; medium confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The cited product material describes 6SL3220-3YE18-0AF0 for pump, fan, water/wastewater, and HVAC duties.
Confidence: high
- ebhorsman.com — retrieved 2026-09-12; medium confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

The documented function places 6SL3220-3YE18-0AF0 between the incoming electrical supply and the pump or fan in the drive system.
Confidence: medium
Rationale: The product documentation identifies the device type and its electrical input/output role, which supports this system-position inference.
- ebhorsman.com — retrieved 2026-09-12; medium confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: Motor compatibility, site wiring, environmental fit, and current commercial availability require separate checks.
Confidence: low
Missing evidence: Motor compatibility, site wiring, environmental fit, and current commercial availability require separate checks.

System position diagram

Block diagram showing the 6SL3220-3YE18-0AF0 between a three-phase supply and a controlled pump or fan. — System position: the converter sits between the three-phase supply and the controlled pump or fan.

View Mermaid source

flowchart LR
  supply[Three-phase supply] --> drive[6SL3220-3YE18-0AF0]
  drive --> load[Controlled pump or fan]

View diagram labels

Nodes: Three-phase supply; 6SL3220-3YE18-0AF0; Controlled pump or fan
Edges: Power enters the converter; Controlled output drives the load

Next action

Use this infrastructure converter only after checking the cited electrical ratings, interface configuration, and installation documentation.

Confirm the motor, supply, enclosure, and control requirements against the current Siemens documentation before selection.

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