Siemens 6SL3912-5AP34-0AA0 SINAMICS FZ800 water-cooled IGBT power-card pair

The captured listing identifies 6SL3912-5AP34-0AA0 as an IGBT power-card pair for an FZ800 water-cooled drive system. The listing describes use in medium-voltage drive systems for industrial motors, pumps, compressors, and fans.

System function and position

Rebuilt from individual evidence

The captured listing identifies 6SL3912-5AP34-0AA0 as an IGBT power-card pair for an FZ800 water-cooled drive system.

The listing describes use in medium-voltage drive systems for industrial motors, pumps, compressors, and fans.

Sits in the power-conversion stage between the drive supply and the connected industrial motor load.

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3912-5AP34-0AA0 require separate evidence.

Exact reference: 6SL3912-5AP34-0AA0
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: Switches high-power electrical energy in the documented water-cooled medium-voltage drive stage.
System position: Sits in the power-conversion stage between the drive supply and the connected industrial motor load.
Upstream / inputs: Receives high-power drive energy and switching commands from the upstream medium-voltage drive control path.
Downstream / outputs: Supplies switched drive power toward the downstream motor, pump, compressor, or fan load.
Limitations: Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3912-5AP34-0AA0 require separate evidence.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The captured listing identifies 6SL3912-5AP34-0AA0 as an IGBT power-card pair for an FZ800 water-cooled drive system.
Confidence: medium
- www.indctrlhub.com — retrieved 2026-09-12; medium confidence
The listing describes use in medium-voltage drive systems for industrial motors, pumps, compressors, and fans.
Confidence: medium
- www.indctrlhub.com — retrieved 2026-09-12; medium confidence

Inferences

Inferred system position: Sits in the power-conversion stage between the drive supply and the connected industrial motor load.
Confidence: medium
Rationale: The exact product description and documented operating context establish this system placement.
- www.indctrlhub.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3912-5AP34-0AA0 require separate evidence.
Confidence: low
Missing evidence: The individual lookup does not establish the installed topology, wiring, firmware, unit condition, or replacement fit.

System position diagram

A flow from the upstream system through 6SL3912-5AP34-0AA0 to the downstream drive system. — Sits in the power-conversion stage between the drive supply and the connected industrial motor load.

View Mermaid source

flowchart LR
  upstream["Upstream system"] --> item["6SL3912-5AP34-0AA0"]
  item --> downstream["Downstream drive system"]

View diagram labels

Nodes: Upstream system; 6SL3912-5AP34-0AA0; Downstream drive system
Edges: Documented input path; Documented output path

Next action

The captured evidence supports the documented system role for 6SL3912-5AP34-0AA0.

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3912-5AP34-0AA0 require separate evidence.

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