Main Distribution Board GRSCH-SK-0.4kV for Power Distribution in Buildings

The main switchboard is an element of reception and distribution of electric power throughout the building or a separate part of it.
Main switchboards serve as receivers and distributors of electricity in AC networks with separated earth and neutral (can be connected to a network with a solidly earthed neutral (earthing type TN-C, TN-S, TN-C-S)), voltage up to 380 volts, frequency 50 Hz, protecting lines from overloads, leaks and short circuits.