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Latest news about Onis Visa Diesel Generating sets

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.

26 Aug

Visa S.p.A.

27 May

Visa SpA has been recently honoured by Perkins Engines Company Limited for celebrating 25 years of partnership.

10 May

Visa SpA will be attending the IFAT exhibition, the world’s leading trade fair for environmental technologies, for Water, Sewage, Waste and Raw Materials Management...

21 Mar

Visa S.p.A will be exhibiting at Bauma, the largest trade fair in the world for the construction machines and mining industry, that will be held April 11-17 in Munich, Germany...

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,...


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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