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Different tasks require different tools for solving them. In the video, we will clearly analyze the difference between automatic transfer switches marked "city grid + generator" and "PV inverter + city grid". The isolation of the device design, differences and application options. It is better to turn the ATS into an emergency for the generator, the PV version is needed if you have an outdated zubr or do not have a voltage relay and a tripping relay from the city. Contacts for consultation / purchase of ready-made assemblies with ATS relays or individually prepared and tested relays 2x / 4x pole machines: Contacts: Telegram https://t.me/densis2003 +380932480332