low voltage Factory direct price of porcelain insulator 
| main dimenstions and standard particulars | |||||||
| cat No. | Fig.No | Main dimensions(mm) | Mechanival failing load (KN ) | Power frequency voltage (kv) | weight | ||
| Class ANSI | H h D d d1 d2 R | dry flashover | Vertical | Horizontal | N | ||
| 53-1 | 2 | 54 27 57 45 18 22 11 | 8.9 | 20 | 8 | 10 | 22 |
| 53-2 | 1 | 76 38 79 45 18 24 18 | 13.3 | 25 | 12 | 15 | 5.4 |
| 53-3 | 2 | 81 40.5 76 45 18 24 11 | 17.8 | 25 | 12 | 15 | 5.9 |
| 53-4 | 2 | 76 38 105 73 18 24 16 | 20 | 25 | 12 | 15 | 11.3 |
| 53-5 | 3 | 105 52.5 102 73 18 24 11 | 26.7 | 35 | 18 | 25 | 11.8 |
| R-8 | 7 | 32 57 40 17.5 7 | 9 | 10 | 7 | 7 | 1.3 |
| R-6 | 6 | 80 70 40 18 7 | 13.5 | 15 | 12 | 12 | 3.9 |
| R-2 | 5 | 76 80 54 17.5 17.5 | 20 | 15 | 12 | 12 | 5.9 |
| R-1 | 5 | 54 57 39 17.5 11 | 9 | 15 | 8 | 8 | 2.4 |
| 1617 | 4 | 65 76 44 17.5 9 | 9 | 20 | 9 | 9 | 3.9 |
| 1617-1 | 4 | 65 78 44 18.5 9 | 9 | 20 | 9 | 9 | |
| 1617-2 | 4 | 67 73 44 16 14.3 | 13 | 20 | 9 | 9 | |
| 1618-1 | 4 | 75 89 52 17 13 | 10 | 20 | 9 | 9 | |
| 1618-2 | 4 | 75 89 52 17 12.5 | 13 | 25 | 12 | 12 | |
| 1618-3 | 4 | 80 85 52 18 14 | 13 | 17 | 9 | 9 | |