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Latest news about Onis Visa Diesel Generating sets

06 Feb

Visa Spa and Perkins confirm also for 2018 their strong relationship, on a journey that continues more than 25 years on.

26 Jan

Visa SpA will be exhibiting at the Italian Agriculture and Livestock Exhibiion FAZI 2018, the complete event referring to the agricultural sector, focusing on territory and...

25 Jan

Also this year Visa won’t miss its attendance at Middle East Electricity 2018, the region’s leading international trade event for the power industry, from 6th to 8th March 2018...

22 Dez

Once again Visa SpA confirms its commitment and passion for ski sports and activities.

22 Dez

In diesem Jahr hat VISA SpA beschlossen ein spezielles Geschenk zu machen: eine lebensunterstützende Aktion.

27 Okt

Don’t miss the opportunity to see and personally touch the quality of Onis Visa electricity generators.
Power Gen International Exhibition, Las Vegas, 5-7 December 2017...

22 Sep

Also this year, VISA SPA will be exhibiting at Agritechnica Show, the leading trade fair for agricultural machinery and equipment, from 12th to 18th November in Hannover,...

19 Sep

Also this year Visa SpA wil be participating to "Hotel 2017" the exhibition specifically dedicted to the hotel and restaurant sector.

31 Jul

Visa SpA is an Italian genset manufacturer that has been present in the...

11 Jul

Italy-based VISA SpA, one of the world’s leading gensets suppliers, has been recently involved in a major building contract in Kuwait for the supplying of a first batch...


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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