JL12025H12B,
JL-A-B-C-D-ZA=size,B=thickness,C=Rotating speed,D=Voltage,Z=Bearing
IEC 62321-1:2013 IEC 62321-3-1:2013
IEC 62321-4:2013 IEC 62321-5:2013
IEC 62321:6-2015 IEC 62321-7-1:2015
IEC 62321-7-2:2017 IEC 62321-8:2017