





Gapless surge arresters feature a simple construction, ultra-fast response times, and exceptional overvoltage protection performance. Depending on the housing material, they are available in porcelain-housed and silicone rubber-housed designs to meet various environmental and installation requirements.
| Product model | System voltage kV | Rated voltage kV | 1mA DC reference voltage is not less than kV | 8/20μs lightning residual voltage is not greater than kVp | Operating residual pressure is not greater than kVp | The steep wave residual pressure is not greater than kVp | 2ms square wave flow capacity | 4/10us high current shock resistance |
| YH5WX-51/134 | 35 | 51 | 73 | 134 | 114 | 154 | 400 | 100 |
| YH5WX-54/142 | 35 | 54 | 78 | 142 | 114 | 154 | 400 | 100 |
| YH5WX-96/250 | 66 | 96 | 140 | 250 | 202 | 279 | 400 | 100 |
| YH10WX96/250 | 66 | 96 | 140 | 250 | 202 | 279 | 400 | 100 |
| YH10WX102/266 | 110 | 102 | 148 | 266 | 225 | 297 | 600 | 100 |
| YH10WX108/281 | 110 | 108 | 157 | 281 | 239 | 314 | 600 | 100 |
| YH10WX204/532 | 220 | 204 | 296 | 532 | 450 | 594 | 800 | 100 |
| YH10WX216/562 | 220 | 216 | 314 | 562 | 478 | 628 | 800 | 100 |
| YH20WX444/1106 | 500 | 444 | 597 | 1106 | 907 | 1238 | 1800 | 100 |
| YH20WX468/1166 | 500 | 468 | 630 | 1166 | 956 | 1306 | 1800 | 100 |

Suspended gapless line arrester is used to protect single conductor.

Suspension gap-free line arrester is used to protect double-circuit conductors.

Seat-type gapless line arrester in transmission line
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