Siemens 6SL3420-1TE15-0AA1 SINAMICS S120 single motor module

Siemens identifies 6SL3420-1TE15-0AA1 as a SINAMICS S120 single motor module. The Siemens data sheet specifies a 510-720 V DC link and 5 A output current.

System function and position

Rebuilt from individual evidence

Siemens identifies 6SL3420-1TE15-0AA1 as a SINAMICS S120 single motor module.

The Siemens data sheet specifies a 510-720 V DC link and 5 A output current.

Sits between the shared SINAMICS S120 DC link and the connected motor axis in the drive cabinet.

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3420-1TE15-0AA1 require separate evidence.

Exact reference: 6SL3420-1TE15-0AA1
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: Drives one connected motor axis as a SINAMICS S120 power stage.
System position: Sits between the shared SINAMICS S120 DC link and the connected motor axis in the drive cabinet.
Upstream / inputs: Receives DC-link energy and motion commands from the upstream SINAMICS S120 control path.
Downstream / outputs: Sends switched motor power to the connected motor axis.
Limitations: Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3420-1TE15-0AA1 require separate evidence.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens identifies 6SL3420-1TE15-0AA1 as a SINAMICS S120 single motor module.
Confidence: high
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence
The Siemens data sheet specifies a 510-720 V DC link and 5 A output current.
Confidence: high
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

Inferred system position: Sits between the shared SINAMICS S120 DC link and the connected motor axis in the drive cabinet.
Confidence: medium
Rationale: The exact product description and documented operating context establish this system placement.
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3420-1TE15-0AA1 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 6SL3420-1TE15-0AA1 to the downstream drive system. — Sits between the shared SINAMICS S120 DC link and the connected motor axis in the drive cabinet.

View Mermaid source

flowchart LR
  upstream["Upstream system"] --> item["6SL3420-1TE15-0AA1"]
  item --> downstream["Downstream drive system"]

View diagram labels

Nodes: Upstream system; 6SL3420-1TE15-0AA1; Downstream drive system
Edges: Documented input path; Documented output path

Next action

The captured evidence supports the documented system role for 6SL3420-1TE15-0AA1.

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3420-1TE15-0AA1 require separate evidence.

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