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Guard Touch is the new revolutionary controller with touch screen, researched and developed by Visa S.p.A., which will be standard supply on our gensets. From a technical and operational viewpoint, the new device is different from its predecessors, but still maintains Visa’s main characteristic: MODULARITY! Guard Touch is a versatile controller able to satisfy all the requests of the end-user. From manual to automatic (AMF), up to complete synchronisation in parallel.


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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