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What Siemens makes for data centers

public · HQ Munich, DE · 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· 287 EUR -0.40% · mkt cap 223.9B EUR0
Snapshot 2026-08-28T02:17:39Z — 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

PartRoleConfidenceCompetitorsNote
Building management, controls, environmental sensorsmanufacturerinferredSchneider Electric, ABB, Carrier, Delta Electronics, Honeywell, Johnson ControlsDesigo
Fans and motorsmanufacturerinferredABB, Nidec, Regal Rexnord, WEG, Hudson, Multi-Wing
Valves and actuatorsmanufacturerinferredBelimo, Crane, Emerson, Honeywell, Johnson Controls, Mueller
PLCsmanufacturerinferredSchneider Electric, Rockwell, Beckhoff, Phoenix Contact
DetectionmanufacturerinferredHochiki, Honeywell, Johnson Controls, Bosch, Kidde Global Solutions, Securiton
SuppressionmanufacturerinferredJohnson Controls, Fike, Kidde Fire Systems, Marioff HI-FOG, Minimax Viking

Layer 7 — Electrical: power distribution (grid to rack)

PartRoleConfidenceCompetitorsNote
MV switchgear, E-houses, power skidsmanufacturerinferredSchneider Electric, ABB, Eaton, GE Vernova, Mitsubishi Electric, Nari
MV/LV transformersmanufacturerinferredSchneider Electric, ABB, Eaton, Fuji Electric, Hammond Power, Hyundai Electric
LV switchgear, switchboards, panelboardsmanufacturerinferredSchneider Electric, ABB, Chint, Eaton, Hyundai Electric, Legrand
Busway / busbar trunkingmanufacturerinferredSchneider Electric, ABB, Chint, Delta Electronics, Eaton, LS Electric
Circuit protection, fuses, surge, groundingmanufacturerinferredSchneider Electric, ABB, Bel Fuse, Eaton, Littelfuse, Mersen
Metering, power quality, monitoringmanufacturerinferredSchneider Electric, ABB, Eaton, Legrand, Vertiv, Accuenergy
800 V DC architecture & solid-state transformersmanufacturerinferredSchneider Electric, ABB, Coherent, Delta Electronics, Eaton, Flex
RelaysmanufacturerinferredSchneider Electric, ABB, GE Vernova, Schweitzer Engineering Laboratories (SEL)
SSTs (emerging) (via Heliox)manufacturerinferredDelta Electronics, Ideal Power, Siemens Energy, Heliox, Hitachi Energy
Floor PDUs, RPPs, static transfer switches, ATS (via Russelectric)manufacturerinferredSchneider Electric, ABB, Caterpillar, Cummins, Delta Electronics, Eaton
Paralleling switchgear & generator controls (via Russelectric)manufacturerinferredCaterpillar, Cummins, Eaton, Woodward, ASCO, Basler

Layer 11 — Software, tools & services touching the hardware (optional)

PartRoleConfidenceCompetitorsNote
DCIM, digital twins, capacity planningserviceinferredSchneider Electric, Autodesk, Bentley, Cadence, Carrier, Nvidia

Verification: enriched, last verified 2026-08-27. Sources: www.siemens.com · en.wikipedia.org.· Markdown · JSON