overvoltage control and protection relay isolated white background top view

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Overvoltage control and protection relay isolated on white background and top view. Royalty Free Stock Photo

Overvoltage control and protection relay isolated on white background and top view.

Overvoltage control and protection relay isolated on white background and top view.Voltage relays are devices with automatic operation that protect electrical equipment from possible voltage drops increases (relative to the nominal value of 230 V) in single-phase networks. There are devices designed for the same functions in three-phase electrical power supply.