... transformer substation ,have the function of high breaking current,high IP class,popular in every market. ZBWseries is sutiable for power distribution ... and four wire three phase,five wire three phase. ZBW power distributon cabinet correspond thestandar of GB7251.1-2005 «low- ... switchgear equipment R &D» ZBW series is a enclosed power distribution cabinet.We chose 1.2MM thickness cold rolled steel ...