... current transformer, 2.we have CE approval,the range is 30/5A to 200/5A, 3.the size is 30X30MM 4 ... .NSQ-30 NSQ CURRENT TRANSFORMERSPECIFICATIONSecodary current: 5A/1ARated Insulation Voltage :0.72KVRated ... TO600/5A400/5A TO1000/5AWindowdimension30MM35MM4MM55MM High Quality CURRENT TRANSFORMERS NSQ-30