What Mersen makes for data centers
public · HQ France
Mersen is a publicly listed company and based in France. It appears on 1 part of the AI data center — Circuit protection, fuses, surge, grounding — in the role of manufacturer. That part sits in Layer 7 — Electrical: power distribution (grid to rack). Its shares trade on Euronext Paris as MRN.PA.
Listing
Euronext Paris: MRN.PA· 35.04 EUR -1.74% · mkt cap 851M EUR
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 7 — Electrical: power distribution (grid to rack)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Circuit protection, fuses, surge, grounding | manufacturer | disclosed | Schneider Electric, ABB, Bel Fuse, Eaton, Littelfuse, Siemens |
Where Mersen sits in the stack
Mersen's placements in this catalog cover 1 part, all in layer 7, electrical: power distribution (grid to rack). 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
- Circuit protection, fuses, surge, grounding — Fuses, circuit breakers, surge protection devices, and grounding systems that protect electrical equipment and personnel throughout the power chain, from switchgear down to the rack.
Closest peers in this catalog
Questions about Mersen
- What does Mersen make for AI data centers?
- This catalog places Mersen on 1 part: Circuit protection, fuses, surge, grounding (manufacturer).
- Is Mersen publicly traded?
- Yes — Mersen is listed on Euronext Paris under MRN.PA. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Mersen based?
- France, per the company record in this catalog.
- Who else makes circuit protection, fuses, surge, grounding for AI data centers?
- Schneider Electric, ABB, Bel Fuse, Eaton, Littelfuse and Siemens are also placed on Circuit protection, fuses, surge, grounding in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Mersen the mix is 1 disclosed. "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.