The Complete Guide to IEC 61439-6: Understanding Busbar Trunking Systems (Busways)
Busbar systems must withstand both the thermal and mechanical stresses caused by short-circuit currents. The standard defines the Rated Short-Time Withstand Current ( Icwcap I sub c w end-sub iec 61439-6 pdf
Systems intended for installation in walls, floors, or ceilings. Key Technical Requirements in IEC 61439-6 The Complete Guide to IEC 61439-6: Understanding Busbar