Power Assemblies and Controllers

Circuit Protection

January 2020 - Mersen Acquires GAB Neumann

Published on: 29/01/2020

Mersen strengthens its position in the chemicals market with the acquisition of GAB Neumann

Mersen Acquires GAB Neumann by GD Rectifiers

Mersen, a global expert in electrical power and advanced materials, has recently announced the acquisition of GAB Neumann GmbH, a specialist in the design, manufacture and sale of graphite and silicon carbide (SiC) heat exchangers for the chemicals market.


Éric Guajioty, Group Vice President, Advanced Materials, said:

“We are delighted to welcome the GAB Neumann teams to Mersen. Their extensive and recognized expertise will help the Group strengthen its footprint in anti-corrosion equipment across German-speaking Europe (Germany, Austria and Switzerland).

The addition of their annular groove graphite and silicon carbide heat exchangers to our product portfolio also makes Mersen a unique and central player in exchangers and solutions for today’s high value-added pharmaceuticals and specialty chemicals markets.”


The new acquisition will enable Mersen to strengthen its position within the chemicals market in Germany, particularly in the replacement segment, providing customers with an enhanced offer of products and services.

GAB Neumann is a family-owned company based in Maulberg, South West Germany with 45 employees and was founded in 1965. The company will join Mersen’s Advanced Materials segment and will contribute around €10 million to annual Group sales.


The transaction is subject to approval of the German anti-trust authorities and is expected to be finalised in early 2020.


GD Rectifiers is an authorised distributor for Mersen, based in the UK. GD Rectifiers offers customers Mersen’s complete range of: Fuses and Surge Arresters.

Mersen is a global expert in electrical power and advanced materials, they have over 6,900 employees across 35 countries with recorded sales of €879 million in 2018.

For further information on Mersen’s extensive product range or to discuss your requirements, please call GD Rectifiers on: 01444 243 452 or email: .(JavaScript must be enabled to view this email address).