Wuhan HeZhong Electric Equipment Manufacture Co.,Ltd
Wuhan Hezhong Electric Equipment Manufacture Co., Ltd ELECTRICAL TECHNOLOGY SECURITY EXPERTS
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3-36kV Lightning Surge Arrester Metal Oxide Polymeric Housing Gapless
Application:
The zinc oxide arrester is mainly used to protect distribution transformer,cable connector and electrical equipment from being damaged by lightning impulse voltage and operating over-voltage.
Usual Service Condition:
Power frequency:48Hz ~60Hz
Ambient temperature:-40℃~+40℃
Maximum wind speed: not exceed 35m/s
Altitude: not exceed 2000m
Earthquake intensity: not exceed 8 degrees
Ice thickness: not exceed 10 meters.
Long-term applying voltage does not exceed the maximum coutinuous operating voltage.
Technical parameters:
| Technical parameters for polymer surge arrester | |||||||||||
| Type | Rated Voltage KV(rms) | MCOV KV(rms) | Creepage lenth(mm) | Current impulse Residual Voltage | 2ms rectangular current impusle withstand KV(crest) | 4/10μs Hight current impulse withstand KV(crest) | Arrester size | ||||
| 1/5 μs steep current impulse KV(crest) | 8/20 μs Lighting current impulse KV(crest) | 30/60μs Switching current impulse KV(crest) | Arrester overroll length(mm) | Diameter of big sheds(mm) | Diameter of small sheds(mm) | ||||||
| YH5W-3 | 3 | 2.55 | 252 | 11.3 | 9 | 8.9 | 150 | 65 | 105.01 | 105 | 77 |
| YH5W-6 | 6 | 5.1 | 352 | 22.6 | 18 | 16.8 | 150 | 65 | 135.51 | 105 | 77 |
| YH5W-9 | 9 | 7.65 | 354 | 33.7 | 27 | 23.8 | 150 | 65 | 135.51 | 105 | 77 |
| YH5W-10 | 10 | 8.4 | 354 | 36 | 30 | 23 | 150 | 65 | 135.51 | 105 | 77 |
| YH5W-12 | 12 | 10.2 | 456 | 42.2 | 36 | 27 | 150 | 65 | 166 | 105 | 77 |
| YH5W-15 | 15 | 12.7 | 661 | 51 | 45 | 38.5 | 150 | 65 | 227 | 105 | 77 |
| YH5W-18 | 18 | 15.3 | 661 | 61.5 | 54 | 46.2 | 150 | 65 | 227 | 105 | 77 |
| YH5W-21 | 21 | 17 | 763 | 71.8 | 63 | 54.2 | 150 | 65 | 257 | 105 | 77 |
| YH5W-24 | 24 | 19.5 | 865 | 82 | 72 | 62 | 150 | 65 | 288 | 105 | 77 |
| YH5W-27 | 27 | 22 | 865 | 92 | 81 | 69.8 | 150 | 65 | 288 | 105 | 77 |
| YH5W-30 | 30 | 24.4 | 1000 | 102 | 90 | 79 | 150 | 65 | 333 | 105 | 77 |
| YH5W-33 | 33 | 27.5 | 1000 | 112 | 99 | 86.7 | 150 | 65 | 333 | 105 | 77 |
| YH5W-36 | 36 | 29 | 1211 | 123 | 108 | 92.4 | 150 | 65 | 397.5 | 105 | 77 |
| YH10W-3 | 3 | 2.55 | 252 | 11.3 | 9 | 8.9 | 250 | 100 | 105.01 | 105 | 77 |
| YH10W-6 | 6 | 5.1 | 352 | 22.6 | 18 | 16.8 | 250 | 100 | 135.51 | 105 | 77 |
| YH10W-9 | 9 | 7.65 | 354 | 33.7 | 27 | 23.8 | 250 | 100 | 135.51 | 105 | 77 |
| YH10W-10 | 10 | 8.4 | 354 | 36 | 30 | 23 | 250 | 100 | 135.51 | 105 | 77 |
| YH10W-12 | 12 | 10.2 | 456 | 42.2 | 36 | 27 | 250 | 100 | 166 | 105 | 77 |
| YH10W-15 | 15 | 12.7 | 661 | 51 | 45 | 38.5 | 250 | 100 | 227 | 105 | 77 |
| YH10W-18 | 18 | 15.3 | 661 | 61.5 | 54 | 46.2 | 250 | 100 | 227 | 105 | 77 |
| YH10W-21 | 21 | 17 | 763 | 71.8 | 63 | 54.2 | 250 | 100 | 257 | 105 | 77 |
| YH10W-24 | 24 | 19.5 | 865 | 82 | 72 | 62 | 250 | 100 | 288 | 105 | 77 |
| YH10W-27 | 27 | 22 | 865 | 92 | 81 | 69.8 | 250 | 100 | 288 | 105 | 77 |
| YH10W-30 | 30 | 24.4 | 1000 | 102 | 90 | 79 | 250 | 100 | 333 | 105 | 77 |
| YH10W-33 | 33 | 27.5 | 1000 | 112 | 99 | 86.7 | 250 | 100 | 333 | 105 | 77 |
| YH10W-36 | 36 | 29 | 1211 | 123 | 108 | 92.4 | 250 | 100 | 397.5 | 105 | 77 |