Should the fault duty X/R ratio exceeds the products rated X/R ratio the peak duty represents the limiting parameter for the appliance, and the required minimal ranking for the application could be calculated applying equation 4. - Yes, for every NEC Write-up 110.nine: “Gear meant to interrupt present-day at faults https://smm-panel-nepal03456.bloggosite.com/33012210/panel-smm-fornecedor-smm-fundamentals-explained