TRANSFORMER, INDUCTANCE and DC
power supply SPECIALIST

since more than 50 years.

Standard or CustumizedStandards Products in Stock
Deliverable Within 24 to 48 Hours

Specific Production under 1-2 weeks on average
Contact us.

ECO-DESIGN respect for the environment
and save money

discover our Eco-energy transformers
Return on
investment in 3 years!

QUALITYINDIVIDUAL TESTS
SYSTEMATICALLY

All our products
are electrical tests and quality controls.

Le Cosinus offers you the following products :

  • Transformers
  • Autotransformers
  • Inductors
  • DC Power supply
  • Specific windings
  • Converters
  • High Voltage Transformers

    Les 6 erreurs à éviter lors de l'installation d'un transformateur électrique

    Les 6 erreurs à éviter lors de l'installation d'un transformateur électrique

    Les 6 erreurs à éviter lors de l'installation d'un transformateur électrique

    Quel transformateur choisir pour le secteur médical?

    Quel transformateur choisir pour le secteur médical?

    Quel transformateur choisir pour le secteur médical?

    Cuivre ou aluminium : quel conducteur pour votre transformateur électrique ?

    Cuivre ou aluminium : quel conducteur pour votre transformateur électrique ?

    Cuivre ou aluminium : quel conducteur pour votre transformateur électrique ?

    LE COSINUS ENGINEERS DESIGN OUR PRODUCTS SPECIFICALLY FOR YOUR NEEDS.

    Le Cosinus is specialised in the field of transformer, autotransformer, inductance and DC power supply, Since 1954.

    You are looking for a standard or a specific electrical transformer, a single-phase transformer or a three-phase transformer, with settings plugs, a neutral or an electrostatic screen, multi voltage primary or secondary or a product usable in special environments. Le Cosinus has your technical solution.

    Le Cosinus

    You are looking for a standard or Specific LV / LV electrical transformer , a single-phase transformer or a three-phase transformer, with primary, neutral or electrostatic screen, a transformer Multi-voltage or usable in special environments, a transformer operating at 50 Hz, 60 Hz, 400 Hz or more, responding the rigorous requirements of the CE and UL standards, a three-phase autotransformer or a single-phase autotransformer, an electrical inductance or a DC power supply.

    Your need becomes our priority, Le Cosinus puts all its know-how
    at your disposal for the greatest satisfaction of its customers.

    Contact us