High-power converters and custom-built converters for industry and green hydrogen since 1950

FRIEM S.r.l.

Segrate (Milan), Italy · Dammam, Saudi Arabia · Adelaide, AustraliaNew on Amplifa

1950Founded

120+Employees (Segrate headquarters)

11.000 m²Industrial site, Segrate headquarters

2+ GWAnnual production capacity

3.000+Converters delivered (>20 GW)

About FRIEM

FRIEM is a manufacturer of high-power converters and energy converters (AC/DC, DC/DC, DC/AC) for heavy industry, in operation since 1950. The company has delivered more than 3,000 converters worldwide with a total output of over 20 GW. FRIEM designs and manufactures custom high-power converters for electrolytic hydrogen production (Power to Gas and Gas to Power) as well as for industrial electrolysis processes, including chlor-alkali electrolysis. The portfolio is complemented by after-sales service and maintenance of power conversion systems. The headquarters are located in Segrate near Milan on an 11,000 m² industrial site with more than 120 employees; service centers exist in Dammam (Saudi Arabia) and Adelaide (Australia). The group supplies customers in over 80 countries on 5 continents and is today led by the third generation of shareholders.

Site: Segrate (Milan), Italy
Processes: Manufacture of power converters / energy converters (AC/DC – DC/DC – DC/AC), Design and construction of custom high-power converters for green hydrogen (electrolysis,, After-sales service and maintenance of power conversion systems, Service and after-sales assistance, Custom design of tailored converters
Materials: AC/DC converters, DC/DC converters, DC/AC converters
Founded: 1950
Employees: 120
Industries: Heavy industry, Electrolysis / Green hydrogen, Chlor-alkali electrolysis (chlorine-soda), Electrolysis/Green hydrogen, Chlor-alkali electrolysis

01
Engineering and custom design
02
Manufacturing of converters and power converters
03
Assembly and commissioning
04
Service and after-sales assistance

Technologies and Solutions

AC/DC

AC/DC converters

Rectification of current to supply demanding industrial processes.

DC/DC

DC/DC converters

Conversion of direct voltage for high-power industrial applications.

DC/AC

DC/AC converters

Inversion for industrial energy conversion.

Locations

Segrate (Milano)

Headquarters and Production

Dammam

Service Center

Adelaide

Service Center

Products and Systems

**High-power converters**Converter manufacturing · Heavy industry

**Custom electrolysis converter**Engineering · Green hydrogen

**Katrium converter for chlor-alkali production**Converter technology · Chlor-alkali electrolysis

Inside the production

Industries

Heavy industryElectrolysis / Green hydrogenChlor-alkali electrolysis (chlorine-soda)Electrolysis/Green hydrogenChlor-alkali electrolysis

Processes & technical limits

Processes	Tolerance	Max. part	Weight	Lot size	Materials
Manufacture of power converters / energy converters (AC/DC – DC/DC – DC/AC)Engineering	–	–	–	–	–
Design and construction of custom high-power converters for green hydrogen (electrolysis,Engineering	–	–	–	–	–
After-sales service and maintenance of power conversion systemsAssembly	–	–	–	–	–

Additional services

Service and after-sales assistanceCustom design of tailored converters

History

1950
Foundation of FRIEM; since then over 3,000 converters delivered with a total output of more than 20 GW.
The third generation of shareholders takes over management responsibility and continues to lead the group with continuity.