Siemens 6SL3351-6GE32-6AA1 MICROMASTER 440 replacement control interface board

The fetched source identifies 6SL3351-6GE32-6AA1 as a Siemens MICROMASTER 440 replacement control interface board. The source records a 380-480 V three-phase, 50/60 Hz, 260 A AC drive-system application.

System function and position

Rebuilt from individual evidence

The fetched source identifies 6SL3351-6GE32-6AA1 as a Siemens MICROMASTER 440 replacement control interface board.

The source records a 380-480 V three-phase, 50/60 Hz, 260 A AC drive-system application.

Inferred system role: the exact item provides the control-interface path for a compatible MICROMASTER drive.

Unknown: installation fit, wiring, firmware, physical condition, and current commercial availability require separate confirmation.

Exact reference: 6SL3351-6GE32-6AA1
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: Provides the control-interface path for a compatible MICROMASTER drive.
System position: Sits inside the drive control section between control signals and the AC drive power stage.
Upstream / inputs: Receives the documented upstream power, control, or operator input for this system path.
Downstream / outputs: Delivers the documented output or interface signal to the downstream system element.
Limitations: Unknown: installation fit, wiring, firmware, physical condition, and current commercial availability require separate confirmation.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The fetched source identifies 6SL3351-6GE32-6AA1 as a Siemens MICROMASTER 440 replacement control interface board.
Confidence: medium
- www.plswiss.com — retrieved 2026-09-12; medium confidence
The source records a 380-480 V three-phase, 50/60 Hz, 260 A AC drive-system application.
Confidence: medium
- www.plswiss.com — retrieved 2026-09-12; medium confidence

Inferences

Inferred system role: the exact item provides the control-interface path for a compatible MICROMASTER drive.
Confidence: medium
Rationale: The system position is inferred from the fetched product function and documented characteristics; it is not presented as a confirmed installation diagram.
- www.plswiss.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: installation fit, wiring, firmware, physical condition, and current commercial availability require separate confirmation.
Confidence: low
Missing evidence: The fetched source does not establish installation-specific compatibility, current condition, or live commercial terms.

System position diagram

A flow from the upstream system interface through 6SL3351-6GE32-6AA1 to the downstream system element. — The diagram shows the documented or inferred position of 6SL3351-6GE32-6AA1 in an industrial system.

View Mermaid source

flowchart LR
  upstream["Upstream system interface"] --> item["6SL3351-6GE32-6AA1"]
  item --> downstream["Downstream system element"]

View diagram labels

Nodes: Siemens 6SL3351-6GE32-6AA1 MICROMASTER 440 replacement control interface board; Upstream system interface; Downstream system element
Edges: Documented or inferred system path

Next action

The evidence supports 6SL3351-6GE32-6AA1 as a documented MICROMASTER 440 replacement control interface board; verify the installed system before replacement or commissioning.

Unknown: confirm the complete order code, installed system configuration, and current condition before replacement or commissioning.

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