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Visa S.p.A. has always focused its attention on the global market's needs, tailoring production and sales policies to economic changes. Particular emphasis is given to design with the objective of satisfying customer needs and developing a full range of products quickly maintaining high quality standards. Nowadays, VISA generators, with their many variants, are among the most versatile and complete in the market.


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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