Siemens 6SL3161-0EP00-0AA0 SINAMICS S120 Combi external fan module for drive-cabinet cooling

Evidence-backed system role for 6SL3161-0EP00-0AA0, the documented SINAMICS S120 Combi external fan module.

Documented cooling function

Rebuilt from individual evidence

Siemens identifies 6SL3161-0EP00-0AA0 as an external fan module for the SINAMICS S120 Combi system.

The documented unit uses a 24 V DC supply, delivers up to 290 m3/h airflow, and has IP54 protection.

In the system, it sits beside the Combi power module and moves air across its heat sink.

Exact reference: 6SL3161-0EP00-0AA0
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: Supplies forced-air cooling to the SINAMICS S120 Combi power module.
System position: Sits within the SINAMICS S120 Combi cooling path beside the power module.
Upstream / inputs: Receives 24 V DC from the upstream auxiliary supply.
Downstream / outputs: Moves cooling air across the downstream power-module heat sink.
Limitations: Unknown: installed Combi model, airflow path, wiring condition, and unit condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens identifies 6SL3161-0EP00-0AA0 as the SINAMICS S120 external fan module.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
The Siemens manual specifies 6SL3161-0EP00-0AA0 for a 24 V DC supply, 290 m3/h maximum airflow, and IP54 protection.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

In the cabinet, 6SL3161-0EP00-0AA0 acts as the forced-air stage beside the SINAMICS S120 Combi power module.
Confidence: medium
Rationale: The documented external-fan identity, airflow rating, and Combi context establish its cooling-stage position.
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: installed Combi model, airflow path, wiring condition, and unit condition.
Confidence: low
Missing evidence: An installed-system inspection and current unit test were not available in the individual lookup.

System position diagram

24 V DC auxiliary supply connected to 6SL3161-0EP00-0AA0, which moves air across the Combi power-module heat sink. — The external fan supplies air to the Combi power-module heat sink.

View Mermaid source

flowchart LR
  supply[24 V DC auxiliary supply] --> fan[6SL3161-0EP00-0AA0]
  fan --> sink[Combi power-module heat sink]

View diagram labels

Nodes: 24 V DC auxiliary supply; 6SL3161-0EP00-0AA0 external fan; Combi power-module heat sink
Edges: Auxiliary power enters the fan; Cooling air reaches the heat sink

Next action

Use this reference when the installed SINAMICS S120 Combi cooling assembly requires the documented external fan module.

Check the installed Combi module, supply wiring, cabinet airflow, and fan condition before replacement.

Request help with this reference

Provide the exact reference, machine context, and observed symptom so the next review can stay evidence-based.

Submission is unavailable until durable storage is verified.

Reference or description *Recovery mode *Country *RegionEmail *Phone

I’m unsure of the exact reference or route; keep my description for human qualification.

Add context only if useful

ManufacturerMachine or lineComponent typeUrgencyProduction impactQuantityAcceptable conditionNeed byPreferred contact

Technical context

What is known so far?

Optional updatesNotify me when the supplier price changesSubscribe to the ardkor.org newsletter

This may be safety-sensitive or emergency-related; hold it for human handling.Allow anonymous landing and source categories to be saved with this request for analytics. This is optional and separate from routing.

Recipient and data disclosure

Named recipient: Ardkor human-qualification queue (internal local preview). No partner delivery is enabled here.

Data retained for this review: reference, selected route, location, technical context, contact details, consent state, and any accepted private attachment.

Response expectation: none is promised. If external routing is enabled later, the partner name, disclosed fields, and response expectation must be shown and accepted again.

Withdrawal and deletion: use the private request controls from the receipt to withdraw further processing or request access/deletion. The request remains recorded until the relevant Ardkor systems and any recipient confirm completion.

External routing consent: I separately authorize Ardkor to use this request for human qualification in the named internal queue. No external partner is authorized by this checkbox.

Read the privacy information before sending. For corrections, access, or deletion help, use the contact page or email reference@ardkor.org; mailbox delivery and attendance have not been verified.

This routing state is separate from watch, marketing, payment, and analytics choices. If no capable service match is found, the request remains a human-qualification lead and is never presented as provider acceptance. Ardkor is not an emergency or safety service and submission does not guarantee availability, price, repair, sourcing, or response.