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Latest news about Onis Visa Diesel Generating sets

24 Feb

Visa SpA is pleased to announce its attendance at Middle East Electricity 2016, that will be held from the 1st to 3rd of March at the Dubai World Trade Centre, in Dubai, the...

12 Feb

Also this year Visa SpA generating sets will be participating to the famous Mobile World Congress exhibition, the world’s largest gathering for the mobile industry, organized...

29 Jan

This year, for the first time, Visa SpA will be taking part at the 40th edition of the exhibition EXPO RIVA HOTEL, the historic and unmissable appointment for everyone involved...

18 Jan

Visa SpA will be exhibiting at Executive Hire Show, in the Ricoh Arena, Coventry UK, the industry’s unmissable event for everyone involved in tools, plant and equipment hire,...

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”,


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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