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Products
AC-DC Power Supply
DC-DC Converter
AC-DC & DC-DC High Voltage
DC-AC Inverter
Motor Control
Know-how
Engineering
Bring your product to life
Manufacturing
Prototype and mass production
Maintenance
Protect your long term investment
Distribution
Our sourcing at your service
Activity sectors
Railways
Driven by Passion
Defense
Driven by Technology
Aeronautics
Driven by Performance
About us
Contact us
Documents
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• Documents
Certificats
ISO 9001 - 2025-2028
EN 9100 - 2025-2028
Other Documents
RMA Form for returns
SEF Power Brochure
Terms and Conditions
Purchasing Charter