QINGDAO COSINE ELECTRICAL EQUIPMENT CO.,LTD is engaged in porcelain insulator/ceramic insulator.
1. This product is solid-core station post insulators.
2. Type for this solid-core station post insulator is TR-205, TR-208, TR-210, TR-214, TR-216
3. Standard: comply with the ANSI standard C29.9
4. Colour of solid core station post insulator/porcelain insulator:brown or light gray
1. This product is solid-core station post insulators.
2. Type for this solid-core station post insulator is TR-205, TR-208, TR-210, TR-214, TR-216
3. Standard: comply with the ANSI standard C29.9
4. Colour of solid core station post insulator/porcelain insulator:brown or light gray
| ANSI Class | TR-205 | TR-208 | TR-210 | TR-214 | TR-216 | |
| Creepage Distance,mm | 394 | 610 | 940 | 1092 | 1829 | |
| Cantilever Strength,KN | 8.9 | 8.9 | 8.9 | 8.9 | 6.7 | |
| Tension Strength,KN | 38 | 44.5 | 53 | 62 | 71 | |
| Torsion Strength,N-m | 791 | 904 | 1130 | 1356 | 1695 | |
| Compression Strength,KN | 44.5 | 44.5 | 66.7 | 66.7 | 111 | |
| Power Frenquency Flashover Voltage | Dry,KV | 85 | 110 | 145 | 170 | 235 |
| Wet,KV | 55 | 75 | 100 | 125 | 180 | |
| Critical Impulse Flashover Voltage | Pos.,KV | 125 | 170 | 225 | 280 | 390 |
| Neg.,KV | 200 | 250 | 290 | 340 | 475 | |
| Power Frequency Withstand Voltage | Dry,KV | 50 | 70 | 95 | 120 | 175 |
| Wet,KV | 45 | 60 | 80 | 100 | 145 | |
| Ompulse Withstand Voltage,KV | 110 | 150 | 200 | 250 | 350 | |
| Net Weight,Approx.,kg | 7 | 11 | 15.4 | 20.5 | 29 | |