Provides protection for the electricity grid by complying with VD0126 ENS regulations. Designed to work with most grd tie inverters. Three phase version also available.
Not required in the UK and Spain but approved in France for connecting wind turbines or solar panels and inverter to the French electricity network / Grid
You should always check your local electricity company's regulations and use a qualified electrician whenever the local codes/normes instruct you to do so.