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After the production process, each Visa unit is subject to a load test which is carried out in our modern test bay according to quality procedure PO751-01. Our customers and partners often attend a FAT (Factory Acceptance Test), where genset functions are verified according to the technical specification requested, in the safety of the test bay control room.
If you are interested in organising or attending a FAT, contact a Visa sales manager.


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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