Original
By certification 
27KV composite arrestor high voltage (IEC standard):
Rated voltage: 27KV(RMS)
Maximum continuous operating voltage: 22KV(RMS)
Current impulse residual voltage:
1/4us Lightning current impulse: 92KV(crest)
8/20us Lightning current impulse: 81KV(crest)
30/60us Switching current impulse: 69.8KV(crest)
2ms Rectangular current impulse withstand: 250A
4/10us High current impulse withstand: 100KA(crest)
| Arrester type (10kA) | Rated voltage (kA) | MCOV (kV) | Max residual voltage (kV) | 2000 μs rectangular current withstand (A) | 4/10μs high current impulse | Dimension (mm) | No.of sheds | Creepage distance(mm) | |||
| Steep current impulse 1/10μs | Lightning impulse 8/20 μs | Switching current impulse 30/60 μs | A | B | |||||||
| YH10W-6 | 6 | 4.8 | 20.7 | 18 | 15.3 | 250 | 100 | 250 | 125 | 3 | 210 |
| YH10W-9 | 9 | 7.2 | 31.0 | 27 | 23 | 250 | 100 | 280 | 155 | 4 | 280 |
| YH10W-11 | 11 | 8.8 | 37.9 | 33 | 28.1 | 250 | 100 | 310 | 185 | 5 | 350 |
| YH10W-12 | 12 | 9.6 | 41.5 | 36 | 30.6 | 250 | 100 | 310 | 185 | 5 | 351 |
| YH10W-15 | 15 | 12.0 | 52.0 | 45 | 38.3 | 250 | 100 | 340 | 215 | 6 | 419 |
| YH10W-18 | 18 | 14.4 | 62.0 | 54 | 46.0 | 250 | 100 | 370 | 245 | 7 | 487 |
| YH10W-21 | 21 | 16.8 | 72.5 | 63 | 53.5 | 250 | 100 | 400 | 275 | 8 | 555 |
| YH10W-24 | 24 | 19.2 | 82.5 | 72 | 61.2 | 250 | 100 | 430 | 305 | 9 | 622 |
| YH10W-27 | 27 | 21.6 | 93.2 | 81 | 69.0 | 250 | 100 | 460 | 335 | 10 | 690 |
| YH10W-30 | 30 | 24.0 | 103.5 | 90 | 76.5 | 250 | 100 | 520 | 395 | 12 | 760 |
| YH10W-33 | 33 | 26.4 | 113.8 | 99 | 84.2 | 250 | 100 | 550 | 425 | 13 | 894 |
| YH10W-36 | 36 | 28.8 | 124.2 | 108 | 91.8 | 250 | 100 | 550 | 425 | 13 | 894 |
