Primary Current 5A ~ 5000A, secondary current 5A, complete specifications, full coverage of 0.2,0.5 and 1 class three accuracy class; used iron core after high vacuum heat treatment, excellent performance, precision stability; Shell made of high impact flame retardant ABS material, with good safety performance, beautiful appearance, easy to install, can be fixed by bending, pressure plate fixed; structure: perforated (round, square hole) , bending, single-chip pressure plate installation mode, performance in line with GB1208-1997″current transformer” technical standards.