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                                                                              | BS High voltage pin type insulators |   
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      | MAIN DIMENSIONS AND STANDARD PARTICULARS |  
      | 
        
          | Cat No. | Fig NO. | Mian Demension in (mm) | Gtee-page Dist-
 ance (mm)
 | Cant-ilever Stre-
 ngth 1b(KN)
 | withstand Voltage | Power Frequ-aency Puncture Voltage KV
 | Radio influence Voltage | Used Spin-dles |  
          | D | H | d1 | H | R1 | R2 | d | one minute Wet power Frqu-ency | Dry Im-
 pulse With-stand Voltage KV
 | Test Volt-age To
 Gro-
 und
 KV
 | Max Riv
 At
 1M
 Hz V
 |  
          | P- 11-
 Y
 | 1 | 140 | 133 | 18.29 | 48 | 13 | 9.5 |  | 240 | 11 | 45 | 810 | 150 | 15 | 8000/ 100
 | Small steel head |  
          | P- 15-
 Y
 | 1 | 152 | 137 | 18.29 | 48 | 13 | 12.7 |  | 298 | 11 | 50 | 95 | 450 | 15 | 8000/ 100
 |  
          | P- 22-
 Y
 | 2 | 230 | 165 | 27.78 | 52.63 | 19 | 14.3 |  | 432 | 11 | 70 | 125 | 200 | 22 | 12000/ 100
 | Large steel head |  
          | P- 33-
 Y
 | 3 | 279 | 244 | 27.78 | 52.63 | 19 | 13 |  | 630 | 13.8 | 90 | 170 | 210 | 30 | 16000/ 100
 |  
          | PW- 15-
 Y
 | 4 | 170 | 182 |  | 52.63 | 16 | 16 | 76 | 432 | 11 | 50 | 95 | 150 | 22 | 12000/ 100
 |  
          | PW- 22-
 Y
 | 5 | 205 | 255 |  | 52.63 | 16 | 16 | 76 | 673 | 11 | 70 | 125 | 200 | 30 | 16000/ 100
 |  
          | PW- 33-
 Y
 | 5 | 240 | 320 |  | 52.63 | 16 | 16 | 76 | 851 | 11 | 90 | 170 | 210 | 44 | 25000/ 100
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