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Customer support is one of Visa’s best strengths. Our customers know they can count on the After Sales Service team to provide maximum support and commitment in finding the quickest solution to a genset problem. The team has a pool of resources – transportation means, spare parts, highly qualified technicians and a widespread network of service centres in Italy and abroad – that allows quick and efficient service across the globe.


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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