Technical standard:
GB/T 1001.1-2003 "nominal voltage above 1000V part first overhead line insulators AC system with ceramic or glass insulator components - Test methods and definitions, criteria"
GB/T 21206-2007 "line post insulator characteristics"
JB/T 8509-1996 "high voltage line" column type porcelain insulator
Model description:
JB/T8509-1996 standard:
PS - line post porcelain insulator;
J - clamp type, binding type not said;
N - long creepage distance (normal creepage distance is not indicated);
"-" after the figures for the full lightning impulse withstand voltage value, kV;
"After the digital bending failure load value, kN;
Z - installed upright, horizontal installation is not said;
S - threaded connection.
GB/T 21206-2007 standard:
R - line post insulators;
R after the digital representation of the bending load value, kN;
Then the letter E or J metal binding attachment or in plastic containers;
Then the letters T, C, H respectively, top of the line type or horizontal installation at the top of the line at the top of the binding type, upright mounting clip type;
The suffix of the digital representation of the lightning impulse withstand voltage specified value, peak value of kV;
Suffix letter N or L creepage distance standard and longer respectively.
