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Latest news about Onis Visa Diesel Generating sets

09 Nov

Visa Spa is exhibiting at the Agritechnica Show, the world’s largest trade fair for agricultural machinery and equipment, held from 8th to 14th November, in Hannover, Germany...

16 Oct

AfricaCom – the biggest and best tech event regarding innovation, transformation and leadership for digital Africa, that gathers together senior decision-makers...

14 Oct

Also this year Visa SpA will be participating to the 39th edition of “Hotel 2015” exhibition, an international important event in the hotel and restaurant sector, that will be...

25 Aug

16th – 19th September, 2015
Parc d’Expositions de l’Office des Changes – in Casablanca, Morocco

21 Jul

Visa Spa will be supporting with its products the extremely important event for European cycling

07 Jul

Visa Spa is proud to be awarded by Confindustria of the Veneto region and INAIL for its active support and commitment to the project “Industrial Safety”,

27 May

We are currently exhibiting at FIA Algiers International Fair Come visit us at "Palais des Exposition", Pins Maritime, Algiers, our stand is "Exposant nr 205".

07 Apr

Visa will be exhibiting at Fiera Avicola, the 49th International Poultry Exhibition, that will be held in Forlì, Italy from 15th to 17th April.

16 Mar

We will be exhibiting at the Big Mawev Show 2015, through our Partner company Anton Sommeregger Energiesysteme GmbH

18 Feb

Onis Visa will be exhibiting at the Mobile World Congress for the first time!


With star the start of each of the three phases is connected together. Connections are taken from the ends of the three phases to give the three phases
Star symbol voltage


With Delta the starts and ends of the phases are connected. The end of phase 1 is connected to the start of phase 2, the end of phase 2 to the start of phase 3, and the end of phase 3 to the start of phase 1. Connections are taken from the three start-end points to give the three phases.
Delta symbol voltage
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