21kv Polymer Surge Arrester, Lightning Arrester, Surge Protection
China 21kv Polymer Surge Arrester, Lightning Arrester, Surge Protection, Find details about China Arrester, Lightning Arrester from 21kv Polymer Surge Arrester, Lightning Arrester, Surge Protection
Basic Info.
Model NO.
21kv Polymer Surge Arreste
Shape
Cuboid
Material
ZnO
Brand
Vicj
Trademark
vicj
Transport Package
S
Origin
China
HS Code
85354000
Model NO.
21kv Polymer Surge Arreste
Shape
Cuboid
Material
ZnO
Brand
Vicj
Trademark
vicj
Transport Package
S
Origin
China
HS Code
85354000
Product Desciption
1. Small size and light
2. High square wave current impulse
3. Have a good inner management for electric potential
4. Good inner insulation lever to absorb lightning impulse and operation impulse
2. High square wave current impulse
3. Have a good inner management for electric potential
4. Good inner insulation lever to absorb lightning impulse and operation impulse
| Type | 5W-3 | 5W-6 | 5W-9 | 5W-20 | 5W-30 | 10W-3 | 10W-6 | 10W-9 | 10W-20 | 10W-30 | |
| Highest nominal system voltage (kV, r.m.s) | 3.3/3.6 | 6.6/7.25 | 11/12.0 | 22/24.2 | 33/36 | 3.3/3.6 | 6.6/7.25 | 11/12.0 | 22/24 | 33/36 | |
| Rated voltage of Surge Arrester (kV) | 3 | 6 | 9 | 20 | 30 | 3 | 6 | 9 | 20 | 30 | |
| Min. continuous operating voltage (kV) | 2.55 | 5.1 | 7.65 | 19.5 | 24.4 | 2.55 | 5.1 | 7.65 | 17 | 24.4 | |
| AC reference voltage ≥kV | 5 | 8 | 18 | 35 | 65 | 5 | 8 | 18 | 35 | 65 | |
| Max. residual | Under operating impulse current | 7.7 | 15.4 | 23.1 | 53.9 | 76.5 | 7.7 | 15.4 | ≤29 | 53.9 | ≤90 |
| voltage of | |||||||||||
| discharge | Under 8/20μs lightning impulse current | 9 | 18 | 27 | 63 | 90 | 9 | 18 | 30.5 | 63 | 95 |
| (peak, kV) | Under steep impulse current | 9.5 | 19 | 28.5 | 66.5 | 95 | 9.5 | 19 | ≤32 | 66.5 | ≤99 |
| 2ms rectangular impulse withstand current (A) | 100 | 100 | |||||||||
| 4/10μs highest impulse withstand current (kA) | 65 | 65 | |||||||||
| Min. power frequency | Wet | 20 | 30 | ≤50 | 60 | 80 | 20 | ≤50 | 30 | 60 | 90 |
| withstand voltage (kV, rms) | Dry | 24 | 35 | ≤70 | 80 | 90 | 24 | 35 | ≤70 | 80 | 95 |
| Impulse withstand voltage (kV, crest) | 48 | 70 | 95 | 125 | 170 | 48 | 70 | 95 | 125 | 170 | |
| Pressure relief | Highest current for 0.2s | 16 | 16 | ||||||||
| class (kA, Crest) | Lowest current for 0.5s | 0.8 | 0.8 | ||||||||
| Creepage distance (mm) | 250 | 390 | 550 | 900 | 180 | 250 | 390 | 550 | 900 | ||
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