EI Transformer Features: 1) Power:0-4KVA 2) Clean appearance and chassis ... installation 3) UL,VDE,CE,CCC certificate JBK-5 control transformer which based on domestic BK series machine tool control ... transformer, adopt strongpoint of national and international similar products further, with ... ×11.5JBK5-2000180230210155±0.4160±3.59×11.5 EI transformer