21-24kv Silicon Polymer Surge, Lightning Arrester, Lightning Protective, Surge Arrester
21-24kv Silicon Polymer Surge, Lightning Arrester, Lightning Protective, Surge Arrester image
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Product Details
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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