What Siemens makes for data centers
public · HQ Munich, Germany · siemens.com
Siemens makes medium- and low-voltage switchgear, transformers, and busway used in data center power distribution, along with building management and controls (Desigo) and fire detection and suppression systems (Sinorix) for the facility side. Through its Russelectric unit it also supplies paralleling switchgear and generator controls, and its digital-twin software is used for data center capacity planning.
Listing
Deutsche Börse (XETRA): SIE.DE· 257 EUR +0.43% · mkt cap 196.3B EUR
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
15 parts across 3 layers
No disclosed data-center revenue share on file.
Units and subsidiaries: Heliox, Russelectric
Parts, by layer
Layer 6 — Facility cooling & HVAC
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Building management, controls, environmental sensors | manufacturer | disclosed | Schneider Electric, ABB, Carrier, Delta Electronics, Honeywell, Johnson Controls | Desigo |
| Fans and motors | manufacturer | disclosed | ABB, Nidec, Regal Rexnord, WEG, Hudson, Multi-Wing | |
| Valves and actuators | manufacturer | disclosed | Belimo, Crane, Emerson, Honeywell, Johnson Controls, Mueller | |
| PLCs | manufacturer | disclosed | Schneider Electric, Rockwell, Beckhoff, Phoenix Contact | |
| Detection | manufacturer | disclosed | Hochiki, Honeywell, Johnson Controls, Bosch, Kidde Global Solutions, Securiton | |
| Suppression | manufacturer | disclosed | Johnson Controls, Fike, Kidde Fire Systems, Marioff HI-FOG, Minimax Viking |
Layer 7 — Electrical: power distribution (grid to rack)
Layer 11 — Software, tools & services touching the hardware (optional)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| DCIM, digital twins, capacity planning | service | inferred | Schneider Electric, Autodesk, Bentley, Cadence, Carrier, Nvidia |
Where Siemens sits in the stack
Siemens's placements in this catalog cover 18 parts, from layer 6 (facility cooling & hvac) to layer 11 (software, tools & services touching the hardware (optional)). None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- DCIM, digital twins, capacity planning — Software that models a data center's power, cooling, space, and asset capacity in a live digital twin, giving operators visibility into what a facility can still support.
- Fans and motors — Fans and their drive motors that move air through dry coolers, adiabatic units, and cooling towers to reject heat to the atmosphere.
- Valves and actuators — Valves and actuators that modulate and isolate flow within the facility water loop, including zone-isolation valves that take a section offline without stopping the whole loop.
- Building management, controls, environmental sensors — The building management system, PLCs, and environmental sensors that monitor and automatically control chillers, air handlers, pumps, and dampers across the facility.
- PLCs — Programmable logic controllers that execute the low-level control loops — chiller sequencing, valve and damper modulation — the building management system directs.
- and 13 more in the table above.
Closest peers in this catalog
Latest feed
- IBM and Siemens collaborate to advance nanostack chip architecture — DigiTimes, 2026-10-19IBM and Siemens are partnering to advance nanostack chip architecture.
- Siemens Brings Precision FPGA Synthesis to NanoBridge Semiconductor Devices — HPCwire, 2026-09-04NanoBridge Semiconductor will use Siemens’ Precision FPGA Synthesis tool for its FPGA development initiatives.
Questions about Siemens
- What does Siemens make for AI data centers?
- This catalog places Siemens on 18 parts: Building management, controls, environmental sensors (manufacturer), MV switchgear, E-houses, power skids (manufacturer), MV/LV transformers (manufacturer), LV switchgear, switchboards, panelboards (manufacturer), Busway / busbar trunking (manufacturer), Circuit protection, fuses, surge, grounding (manufacturer), Metering, power quality, monitoring (manufacturer) and 800 V DC architecture & solid-state transformers (manufacturer), and 10 more.
- Is Siemens publicly traded?
- Yes — Siemens is listed on Deutsche Börse (XETRA) under SIE.DE. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Siemens based?
- Munich, Germany, per the company record in this catalog.
- Who else makes building management, controls, environmental sensors for AI data centers?
- Schneider Electric, ABB, Carrier, Delta Electronics, Honeywell and Johnson Controls are also placed on Building management, controls, environmental sensors in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Siemens the mix is 7 disclosed and 11 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.
Verification: enriched, last verified 2026-08-27. Sources: www.siemens.com · en.wikipedia.org.· Markdown · JSON