P-20 P-20-Y 11kv 11kn pin insulator pole accessories Product Description Brief introduction: Producing many kinds of Line Insulators(PIN TYPE INSULATOR), Substation & Power System Insulators. With features of good insulation performance, excellent weatherability, high heat resistance, easy to be installed and etc. PIN TYPE INSULATOR included P-11-Y,P-20-Y,P-33-Y etc. MAIN DIMENSIONS AND STANDARD PARTICULARS fig 1 2 3 4 5 6 7 Class BS P-11-Y P-20-Y P-33-Y PW-11-Y PW-22-Y PW-33