Siemens 6SL3300-1AE31-3AA0 SINAMICS S120 braking module

The fetched source identifies 6SL3300-1AE31-3AA0 as a Siemens SINAMICS S120 braking module. The source records 25 kW rated braking power, 125 kW peak power, and a 774 V response threshold.

System function and position

Rebuilt from individual evidence

The fetched source identifies 6SL3300-1AE31-3AA0 as a Siemens SINAMICS S120 braking module.

The source records 25 kW rated braking power, 125 kW peak power, and a 774 V response threshold.

Inferred system role: the exact item dissipates excess DC-link energy through the S120 braking circuit.

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

Exact reference: 6SL3300-1AE31-3AA0
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: Controls dissipation of excess DC-link energy through the S120 braking circuit.
System position: Sits in the DC-link path between an S120 power module and its braking resistor.
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 6SL3300-1AE31-3AA0 as a Siemens SINAMICS S120 braking module.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
The source records 25 kW rated braking power, 125 kW peak power, and a 774 V response threshold.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

Inferred system role: the exact item dissipates excess DC-link energy through the S120 braking circuit.
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.
- cache.industry.siemens.com — retrieved 2026-09-12; high 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 6SL3300-1AE31-3AA0 to the downstream system element. — The diagram shows the documented or inferred position of 6SL3300-1AE31-3AA0 in an industrial system.

View Mermaid source

flowchart LR
  upstream["Upstream system interface"] --> item["6SL3300-1AE31-3AA0"]
  item --> downstream["Downstream system element"]

View diagram labels

Nodes: Siemens 6SL3300-1AE31-3AA0 SINAMICS S120 braking module; Upstream system interface; Downstream system element
Edges: Documented or inferred system path

Next action

The evidence supports 6SL3300-1AE31-3AA0 as a documented SINAMICS S120 braking module; 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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