Ordinary disc suspension insulators are manufactured according to the national standards gb1001 technical conditions for disc suspension insulators and gb7253 dimensions and characteristics of disc suspension insulator string elements.
The pollution resistant disc suspension insulator is manufactured according to the national standard gb1001 technical conditions for disc suspension insulator and ZB k5008 pollution resistant disc suspension porcelain insulator for high voltage line.
The test standard of the above two types of disc suspension insulators shall be in accordance with IEC publication 383.
| Ball and socket type suspension porcelain insulators( IEC Class ) | ||||||||||
| Type | XP-40 | XP-40C | XP-70 | XP-70C | XP-100 | XP-120 | XP2-160 | XP-240 | XP-300 | |
| IEC Class | U40B | U40C | U70BL | U70C | U100BL | U120BL | U160BL | U240B | U300B | |
| Coupling size | 16 | 16C | 16 | 16C | 16 | 16 | 20 | 24 | 24 | |
| Dimensions | ||||||||||
| Diameter(D) | mm | 190 | 190 | 255 | 255 | 255 | 255 | 280 | 280 | 280 |
| Spacing(H) | mm | 140 | 140 | 146 | 146 | 146 | 146 | 170 | 170 | 195 |
| Leakage distance | mm | 200 | 200 | 320 | 320 | 320 | 320 | 380 | 405 | 390 |
| Mechanical Values | ||||||||||
| Combined M&E strength | kn | 40 | 40 | 70 | 70 | 100 | 120 | 160 | 240 | 300 |
| Impact strength | N.m | 5 | 5 | 6 | 6 | 7 | 10 | 10 | 11.3 | 11.3 |
| Routine proof test load | kn | 20 | 20 | 35 | 35 | 50 | 60 | 80 | 120 | 150 |
| Electrical Values | ||||||||||
| power frequency dry withstand voltage | kv | 55 | 55 | 70 | 70 | 70 | 70 | 75 | 75 | 75 |
| power frequency wet withstand voltage | kv | 30 | 30 | 40 | 40 | 40 | 40 | 42 | 45 | 45 |
| Dry lightning impulse withstand voltage | kv | 75 | 75 | 100 | 100 | 100 | 100 | 110 | 110 | 130 |
| Power frequency puncture voltage | kv | 90 | 90 | 110 | 110 | 110 | 110 | 110 | 120 | 130 |
| Radio influence Voltage Data | ||||||||||
| Test voltage RMS to ground | kv | 7.5 | 7.5 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Maximum RIV at 1000kHz | μv | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Packing and Shipping Data | ||||||||||
| Net weight,approximate | kg | 2.8 | 2.9 | 4.7 | 4.8 | 5.3 | 5.6 | 7.8 | 11.1 | 14.3 |
American Standard disc suspension insulator shall comply with American Standard ANSI C29 2. The test technical standard shall be in accordance with American Standard ANSI C29 1. It also meets the factory set technical conditions XC / jt-1003 American standard line disc suspension insulator for export.
| Clevis type suspension porcelain insulators( ANSI Class ) | ||||||
| ANSI Class | 52-1 | 52-4 | 52-6 | 52-9 | 52-10 | |
| Coupling size | Type B | Type B | Type J | Type B | Type K | |
| Dimensions | ||||||
| Diameter(D) | mm | 165 | 254 | 254 | 121 | 280 |
| Spacing(H) | mm | 140 | 146 | 146 | 159 | 165 |
| Creepage distance | mm | 178 | 320 | 320 | 178 | 380 |
| Mechanical Values | ||||||
| combined M&E strength | kN | 44 | 67 | 111 | 44 | 178 |
| Dry arcing distance | mm | 114 | 197 | 197 | 102 | 216 |
| Impact strength | N.m | 5 | 6.2 | 10 | 5 | 11.3 |
| Routine proof test load (Maximum working load) | kN | 22 | 33.5 | 55.5 | 22 | 89 |
| Time load test value | kN | 27 | 44.5 | 67 | 27 | 107 |
| Electrical Values | ||||||
| Low frequency dry flashover voltage | kV | 60 | 80 | 80 | 60 | 80 |
| Low frequency wet flashover voltage | kV | 30 | 50 | 50 | 30 | 50 |
| Critical impulse flashover voltage,positive | kV | 100 | 125 | 125 | 100 | 125 |
| Critical impulse flashover voltage,negative | kV | 100 | 130 | 130 | 90 | 130 |
| Low frequency puncture voltage | kV | 80 | 110 | 110 | 80 | 110 |
| Radio influence Voltage Data | ||||||
| Test voltage RMS to ground | kV | 7.5 | 10 | 10 | 7.5 | 10 |
| Maximum RIV at 1000kHz | μv | 50 | 50 | 50 | 50 | 50 |
| Packing and Shipping Data | ||||||
| Net weight,approximate | kg | 2.5 | 4.8 | 5.5 | 2.6 | 8.1 |
Post time: Apr-18-2022