Metal-oxide surge arrester without gaps is composed of a series of non-linear metal oxide resistors disc in series and (or) in parallel,and there are no discharge gaps in parallel or in series.
Note: metal-oxide arresters without gaps are sometimes referred to as metal oxide surge arrester or MOA.
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) | ||
1/5 μs steep current impulse kV(crest) | 8/20 μs Lighting current impulse kV(crest) | 30/60μs Switching current impulse kV(crest) | ||||||
YH5W-3 | 3 | 2.55 | 252 | 11.3 | 9 | 8.9 | 150 | 65 |
YH5W-6 | 6 | 5.1 | 352 | 22.6 | 18 | 16.8 | 150 | 65 |
YH5W-9 | 9 | 7.65 | 354 | 33.7 | 27 | 23.8 | 150 | 65 |
YH5W-10 | 10 | 8.4 | 354 | 36 | 30 | 23 | 150 | 65 |
YH5W-12 | 12 | 10.2 | 456 | 42.2 | 36 | 27 | 150 | 65 |
YH5W-15 | 15 | 12.7 | 661 | 51 | 45 | 38.5 | 150 | 65 |
YH5W-18 | 18 | 15.3 | 661 | 61.5 | 54 | 46.2 | 150 | 65 |
YH5W-21 | 21 | 17 | 763 | 71.8 | 63 | 54.2 | 150 | 65 |
YH5W-24 | 24 | 19.5 | 865 | 82 | 72 | 62 | 150 | 65 |
YH5W-27 | 27 | 22 | 865 | 92 | 81 | 69.8 | 150 | 65 |
YH5W-30 | 30 | 24.4 | 1000 | 102 | 90 | 79 | 150 | 65 |
YH5W-33 | 33 | 27.5 | 1000 | 112 | 99 | 86.7 | 150 | 65 |
YH5W-36 | 36 | 29 | 1211 | 123 | 108 | 92.4 | 150 | 65 |
YH10W-3 | 3 | 2.55 | 252 | 11.3 | 9 | 8.9 | 250 | 100 |
YH10W-6 | 6 | 5.1 | 352 | 22.6 | 18 | 16.8 | 250 | 100 |
YH10W-9 | 9 | 7.65 | 354 | 33.7 | 27 | 23.8 | 250 | 100 |
YH10W-10 | 10 | 8.4 | 354 | 36 | 30 | 23 | 250 | 100 |
YH10W-12 | 12 | 10.2 | 456 | 42.2 | 36 | 27 | 250 | 100 |
YH10W-15 | 15 | 12.7 | 661 | 51 | 45 | 38.5 | 250 | 100 |
YH10W-18 | 18 | 15.3 | 661 | 61.5 | 54 | 46.2 | 250 | 100 |
YH10W-21 | 21 | 17 | 763 | 71.8 | 63 | 54.2 | 250 | 100 |
YH10W-24 | 24 | 19.5 | 865 | 82 | 72 | 62 | 250 | 100 |
YH10W-27 | 27 | 22 | 865 | 92 | 81 | 69.8 | 250 | 100 |
YH10W-30 | 30 | 24.4 | 1000 | 102 | 90 | 79 | 250 | 100 |
YH10W-33 | 33 | 27.5 | 1000 | 112 | 99 | 86.7 | 250 | 100 |
YH10W-36 | 36 | 29 | 1211 | 123 | 108 | 92.4 | 250 | 100 |
Wuhan Hezhong Electrical Equipment Manufacture co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture, and marketing of surge arresters, ground disconnecter, isolators, cold/heat shrinkable cable accessories and other tested products.
Production capacity (150000pcs / month):
Surge arrester polymeric housed moulding machine:
Surge arrester disconnecter machine: