HY2.5W(Picture:HY2.5W-8/18.7)— Serial Composite Insulation AC Gapless Metal Oxide Motor Type Lightning Arresters (Nominal Discharge Current 2.5ka) are mainly used to restrain the overvoltage produced by vacuum switch or oil-mininum breaker switching electric rotating machine to prevent electric rotating machine from damages of switching overvoltage.
Specification
Model |
Rated voltage |
Nominal Voltage |
Continuous Operating Voltage |
DC Reference Voltage |
Residual Voltage |
Discharge Capacity |
0.75U 1mA Leakage Current |
Creepage Distance |
Mounting Height |
Structural Height | |||
Lightning Impusle Current |
Steep impulse Current |
Switching Impulse Current |
2ms Square Wave |
4/10μs Heavy Current | |||||||||
Virtual Value kV |
kV |
Peak Value Kv≦ |
A |
kA |
μA |
mm/kV |
mm |
mm | |||||
HY2.5W-4/9.5 |
4 |
3 |
3.2 |
5.7 |
9.5 |
10.7 |
7.6 |
400 |
65 |
50 |
32 |
170 |
100 |
HY2.5W-8/18.7 |
8 |
6 |
6.3 |
11.2 |
18.7 |
121 |
15 |
400 |
65 |
50 |
32 |
196 |
126 |
HY2.5W-13.5/31 |
13.5 |
10 |
10.5 |
18.6 |
31 |
34.7 |
25 |
400 |
65 |
50 |
29 |
225 |
155 |