Home > Products         The length of Busduct 1. The length of Busduct, L = Plug-in   The distant between a1 and a3 , the connecting part of Busduct and Plug-in Box   a2, : the size of a Plug-in Box 2. The type is applied when the electric current rising is under 400A 3. When applying the plug-in type under 500A of electric current rising, please contact us