Panel configurator
Allocated power → main breaker, module count, RCDs
Input
Load current43.5 А
Main breaker50А 2P
Min. modules30
RCDs4 × 30мА
Main breaker = next standard above I = P/(U·√3·cosφ). 30mA RCD on all socket groups, 10mA on bathrooms. Size the panel with 20–30% spare modules.