Sliecting thermosrtting plastic,safety factor of big current is more reliable,Board,type screw crinm commecting technology as structure parts,rated AC voltage 600V.rated current of connecting conduct piece with seven specifications of 60、10、150、200、300、400、600A.thecross-section 10-300 mm2,which is the biggest closure flow terminal,It can be divided into 3P、4Pflat bolt instation accoding to arrangement,it will be more reliable with OT、UTtermination point for connecting big current in different kind electric device.