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Latest news about Onis Visa Diesel Generating sets

20 Feb

In a few days Visa SpA will be participating to the Mobile World Congress, the world’s largest gathering for the mobile industry, organized by the GSMA, held in the mobile...

25 Jan

Also this year Visa SpA won’t miss its attendance at Middle East Electricity 2017, the exhibition , at the Dubai World Trade Centre, from 14-16 Feb 2017, that will bring...

23 Jan

Also this year Visa SpA will be exhibiting at the Executive Hire Show, the exciting benchmark exhibition for the tools, plant and equipment hire industry, that will be held in...

23 Jan

Visa SpA is concretely supporting the central regions of Italy, struck by devastating earthquake last October and recently...

18 Jan

Also this year, Visa SpA won’t miss the Export Riva Hotel, the Hospitality and Professional Catering Fair, that will take place in Riva del Garda (Trento), Italy 5 – 8...

04 Nov

Also this year, Visa SpA won’t certainly miss AfricaCom, the largest and most influential Africa-focused tech event in the world, the meeting place for those driving Africa’s...

28 Oct

Visa S.p.A is pleased to announce its attendance at the EIMA 2016 exhibition, the world’s largest International Exposition of Machinery for Agriculture and Gardening, that will...

20 Sep

Visa SpA also this year will be participating to “Hotel 2016”, the international event in the hotel and restaurant sector, celebrating its 40th edition that will be held in...

29 Aug

Starting from September 8th, “Ri-scatti. Fotografi senza fissa dimora” (Redemption.


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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