| MOA type | System rate voltage kV(ms) | Cont.oper. Voltage for body kV(ms) | Refer voltage at 1mA d . c U1mA d c KV | Max re sidual voltage at lightning impulse KV crest | 2ms rectangular current discharge capacity A | 4 / 10u s impulse discharge capacity KA | Height mm | Gap distance mm | NO.of fig |
| YH10WX-18/57TL | 10 | 15 | 28.5 | 57 | 150 | 65 | 300 | / | / |
| YH10WX-54/142TL | 35 | 43.2 | 77 | 142 | 400 | 100 | 700 | / | 29 |
| YH10WX-57/170TL | 35 | 45 | 85 | 170 | 400 | 100 | 700 | / | 29 |
| YH10WX-96/250TL | 66 | 75 | 140 | 250 | 400 | 100 | 1270 | / | 32 |
| YH10WX-108/281TL | 110 | 84 | 157 | 297 | 400 | 100 | 1270 | / | 32 |
| YH10WX-114/297TL | 110 | 89 | 165 | 297 | 400 | 100 | 1270 | / | 32 |
| YH10WX-120/334TL | 110 | 93 | 180 | 334 | 400 | 100 | 1270 | / | 32 |
| YH5CX-11/27 | 10 | 9 | 16.5 | 27 | 150 | 65 | 207 | 16.5 | 34 |
| YH10CX-42/120K | 35 | 33.6 | 60 | 120 | 400 | 100 | 850 | 120±20 | 28 |
| YH10CX-42/120 | 35 | 33.6 | 60 | 120 | 400 | 100 | 940 | 120±20 | 30 |
| YH10CX-69/198K | 66 | 55.2 | 100 | 198 | 400 | 100 | / | 390±50 | / |
| YH10CX-69/198 | 66 | 55.2 | 100 | 198 | 400 | 100 | / | 390+50 | / |
| YH10CX-90/260 | 110 | 72 | 130 | 260 | 400 | 100 | 1810 | 460±20 | 33 |
| YH10CX-90/260K | 110 | 72 | 130 | 260 | 400 | 100 | 1510 | 450±50 | 31 |
| YH10CX-96/280 | 110 | 76.8 | 140 | 280 | 400 | 100 | 1810 | 460±50 | 33 |
| YH10CX-96/280K | 110 | 76.8 | 140 | 280 | 400 | 100 | 1510 | 450±50 | 31 |
| YH10CX-180/520 | 220 | 144 | 260 | 520 | 600 | 100 | 3100 | 960±20 | 36 |
| YH10CX-180/520K | 220 | 144 | 260 | 520 | 600 | 100 | 2700 | 850±20 | 35 |
| YH10CX-192/560 | 220 | 153.6 | 280 | 560 | 600 | 100 | 3100 | 960±20 | 36 |
| YH10CX-192/560K | 220 | 153.6 | 280 | 560 | 600 | 100 | 2700 | 850±50 | 35 |
Metal Oxide Arresters (MOAs) are devices installed on high-voltage (HV) transmission lines to protect against over-voltage conditions. When the voltage exceeds a certain threshold, the MOA conducts the excess energy to the ground, preventing damage to the equipment and ensuring system reliability. These arresters consist of metal oxide blocks and are designed to handle transient surges caused by lightning strikes or switching operations.
