EI Transformer Features: 1) Power:0-4KVA 2) Clean appearance and chassis ... CE,CCC certificate JBK-5 control transformer which based on domestic BK series machine tool control transformer, adopt strongpoint of national and international ... ) for your option: 50,100, 150, 200, 250, 300, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3000, 4000, ... 11.5JBK5-2000180230210155±0.4160±3.59×11.5 EI transformer