11kv surge arrester Overview:
Medium-voltage systems are constantly threatened by unpredictable lightning strikes and voltage surges that can easily destroy expensive switchgear and transformers.
Deploy our specialized 11kv lightning arrester to guarantee absolute insulation protection across your generation and transmission systems:
- Combines the proven technical advantages of organic insulating materials with reliable traditional porcelain performance.
- Operates flawlessly in extreme ambient temperatures (-40℃ to +60℃) and safely withstands seismic intensities up to 8 degrees.
Key Features & Benefits:
Optimize your electrical grid safety instantly with these highly reliable, rigorously tested operational advantages:
- Delivers exceptionally good electrical insulation performance.
- Features high dielectric strength and excellent leakage resistance.
- Designed to be completely explosion-proof with strong hydrophobicity.
- Provides superior heat, cold, aging, and electrical corrosion resistance.
- Functions as a highly dependable 11 kv lighting arrester for heavy loads.
Applications & Use Cases for 11kv surge arrester:
Integrate this advanced protective unit to shield critical infrastructure from unpredictable atmospheric discharges.
This versatile 11 kv lightning arrester serves as the definitive safety choice for the following demanding power tasks:
- Protecting expensive MV electrical power systems operating safely at 11kV.
- Safeguarding critical substation switchgear and large power transformers from sudden overvoltage damage.
- Providing a reliable 11kv lighting arrester solution for fully exposed overhead transmission networks.
Technical Specifications:
| Technical Parameters | |
| Rated voltage | 11kV |
| MCOV | 9.4kV |
| Nominal discharge current | 10kA |
| Rated frequency standard | 50Hz |
| Leakage distance | 450mm |
| 1mA DC Reference voltage | ≥17kV |
| 0.75 U1mA Leak current | ≤15μA |
| Partial Discharge | ≤10Pc |
| 8/20 μs Lighting current Impulse | 33kV |
| 4/10 μs High current impulse withstand | 65kA |
| 2ms Rectangular current impulse withstand | 200A |
Model Specifications & Discharge Parameters:
| Model | Rated Voltage (kV rms) | Continuous operating voltage (kVrms) | Lightning Impulse Residual Voltage Under Nominal Discharge Current (≤kVp) | 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 |
| YH/10/W-66 | 66 | 52.8 | 196 | 2&3 | 1465 | 400 | 100 |
| YH/10/W-72 | 72 | 57 | 214 | 2&3 | 2255/2780 | 400 | 100 |
| YH/10/W-84 | 84 | 67.2 | 244 | 2&3 | 2255/2780 | 400 | 100 |
| YH/10/W-90 | 90 | 72.5 | 249 | 2&3 | 2255/2780 | 400 | 100 |
| YH/10/W-96 | 96 | 77 | 265 | 2&3 | 3555 | 800 | 100 |
| YH/10/W-108 | 108 | 84 | 281 | 2&3 | 3555 | 800 | 100 |
| YH/10/W-120 | 120 | 98 | 300 | 2&3 | 4153 | 800 | 100 |
| YH/10/W-150 | 150 | 120 | 416 | 2&3 | 5040 | 800 | 100 |
| YH/10/W-200 | 200 | 156 | 520 | 2&3 | 7110 | 800 | 100 |
| YH/20/WZ-108 | 108 | 84 | 281 | 3&4 | 3555 | 800 | 100 |
| YH/20/WZ-120 | 120 | 98 | 300 | 3&4 | 4153 | 800 | 100 |
| YH/20/WZ-150 | 150 | 120 | 416 | 3&4 | 5040 | 800 | 100 |
| YH/20/WZ-200 | 200 | 156 | 520 | 3&4 | 7110 | 800 | 100 |
| YH/20/WZ-240 | 240 | 192 | 622 | 3&4 | 9600 | 800 | 100 |
| YH/20/WZ-336 | 336 | 269 | 870 | 4 | 14400 | 800 | 100 |
DIMENSIONS:
