Application
1. Arrester use under oil-immersed transformer.
2. GIS arrester
3. Railway arrester (DC substation yse,mount on rolling stock).
4. Polymeric protection arrester.
5. Cable sheath protection arrester.
6. Low voltage surge absorber.
Major Ratings
| Model | Rated Voltage (kV ms) | Continuous operating voltge (kV ms) | Lightning Impulse Residual Voltage Under Nominal Discharge Current(≤vKp) | Line discharge Class | Creepage Distance(mm) | 2ms square wave impulse current withstand(A) | 4/10μ High Current impulse Withstand |
| YH/5/W-6 | 6 | 4.8 | 18 | 1 | 320 | 150 | 65 |
| YH/5/W-9 | 9 | 7.2 | 27 | 1 | 430 | 150 | 65 |
| YH/5/W-12 | 12 | 9.6 | 36 | 1 | 430 | 150 | 65 |
| YH/5/W-15 | 15 | 12 | 45 | 1 | 530 | 150 | 65 |
| YH/5/W-18 | 18 | 14.4 | 54 | 1 | 530 | 150 | 65 |
| YH/5/W-21 | 21 | 16.8 | 63 | 1 | 640 | 150 | 65 |
| YH/5/W-24 | 24 | 19.2 | 72 | 1 | 640 | 150 | 65 |
| YH/5/W-27 | 27 | 21.6 | 81 | 1 | 740 | 150 | 65 |
| YH/5/W-30 | 30 | 24 | 90 | 1 | 890 | 150 | 65 |
| YH/5/W-33 | 33 | 26.4 | 99 | 1 | 890 | 150 | 65 |
| YH/5/W-36 | 36 | 28.8 | 108 | 1 | 1115 | 150 | 65 |
| YH/10/W-3 | 3 | 2.4 | 9 | 1 | 180 | 250 | 100 |
| YH/10/W-6 | 6 | 4.8 | 18 | 1 | 240 | 250 | 100 |
| YH/10/W-9 | 9 | 7.2 | 27 | 1 & 2 | 300/340 | 250 | 100 |
| YH/10/W-12 | 12 | 9.6 | 36 | 1 & 2 | 380/400 | 250 | 100 |
| YH/10/W-15 | 15 | 12 | 45 | 1 & 2 | 400/450 | 250 | 100 |
| YH/10/W-18 | 18 | 14.4 | 54 | 1 & 2 | 510/400 | 250 | 100 |
| YH/10/W-21 | 21 | 16.8 | 63 | 1 & 2 | 580/730 | 250 | 100 |
| YH/10/W-24 | 24 | 19.2 | 72 | 1 & 2 | 640/730 | 250 | 100 |
| YH/10/W-27 | 27 | 21.6 | 81 | 1 & 2 | 710/730 | 250 | 100 |
| YH/10/W-30 | 30 | 24 | 90 | 1 & 2 | 780/1125 | 250 | 100 |
| YH/10/W-33 | 33 | 26.4 | 99 | 1 & 2 | 840/1125 | 250 | 100 |
| YH/10/W-36 | 36 | 28.8 | 108 | 1 & 2 | 920/1125 | 250 | 100 |
| YH/10/W-42 | 42 | 33.6 | 126 | 2 & 3 | 1260 | 400 | 100 |
| YH/10/W-45 | 45 | 36 | 128 | 2 & 3 | 1260 | 400 | 100 |
| YH/10/W-54 | 54 | 42 | 160 | 2 & 3 | 1260 | 400 | 100 |
| YH/10/W-60 | 60 | 48 | 178 | 2 & 3 | 1465 | 400 | 100 |
