Type: | Metal Oxide Surge Arrester |
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Structure: | Zinc Oxide Arrester |
Installation: | Parallel Arrester |
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Technical Parameters:
Type | YH5W5-21/56 | 4/10µS High current impulse kA | 65 |
Rated voltage---------kV | 21 | Lightning impulse withstand kV | 125 |
MCOV ----------------kV | 17 | Power frequency voltage withstand(dry/wet)kV | 50 |
Nominal Current-------kV | 5 | 0.1S TOV--------------kV | 25.2 |
Residual voltage of steep impulse----at 5kA(kV) | 60.5 | 1S TOV----------------kV | 24.15 |
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 56 | 10S TOV---------------kV | 23.1 |
Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | / | 1200S TOV-------------kV | 21 |
1mA D.C reference voltage (kV) | 29.7 | Creepage distance ----mm | 662 |
Line discharge level | 1 | Material employed in series non-linear resistor | Zinc Oxide |
2mS long duration impulse current A | 250 | Material of housing | silicone rubber |
Working condition:
Environment temperature: -40--+40 degree | |||||||
altitude:<1000m | |||||||
48HZ<Rated frequency<62HZ | |||||||
Power frequency voltage should not be more than continuous running voltage | |||||||
Max wind speed should be less than 35m/s | |||||||
Earthquake intensity should be less than 7 degree | |||||||
If used in contamination area, should be noted in advance. |