+33 (0) 970 820 163
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Transfos MARY
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Transfos MARY devices,
manufactures and markets for you
a wide range of electrotechnical
transformers and products meeting
your needs. Transfos MARY guarantees
you dedicated service, technical advice
and quality production to perfectly
meet the needs of your projects.
Located in France, Transfos MARY is
specialized in design and manucfacture
of dry elctrical transformers
(< 1 000 V, de 40 à 630 000 VA).


Transfos MARY, it is a full range
of standard and specific
single and three phase products

  • Transformers
  • Autotransformers
  • Voltage dividers
  • Voltage stabilizers
  • Variable autotransformers
  • Inductors
  • DC-power supplies filtered
  • Switch mode power supplies
  • Special windings


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Reliability & longevity  

Transfos Mary manufactures highly reliable and long-lasting transformers. Only the terminal blocks of these two transformers produced in1983 and 1987 had to be replaced recently to get back to an optimal operation.


Energy savings  

Energy challenges to come are gigantic. Well to choose its transformers becomes major to insure earnings of consumption, decrease of the thermal wastes and the smooth running, with high level of efficiency and lifetime. Transformers MARY proposes you a complete range of transformers recognized for their performances and their reliability answering the most demanding specifications.

TRANSFOSMARY - 30 rue Louis Blériot - ZI Brézet - 63017 Clermont Ferrand Cedex 2 - Tél. : +33 (0) 970 820 163 - Fax : +33 (0) 4 73 15 50 09
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Transfos MARY is specialized in design and manufacturing of low-voltage dry electric transformers (40 - 630 000 VA< 1 000 volt).
Single-phase and three-phase transformers: Separation and safety, Multi-tensions, Isolation, Circuit Separation for medical use, Energy saving, Dry-type, etc.
Single-phase and three-phase autotransformers: Standards, Variables, Motor start up, Voltage dividers, Voltage stabilizers, etc.
Single-phase and three-phase power supplies: Switch mode, filtered
Single-phase and three-phaseinductors: Direct current, Alternating current