China Rated Voltage 21kv Mcov 17kv Creepage Distance 662mm Arrestor with Polymer Housed, Find details about China Surge Arrester, Lightning Arrester from Rated Voltage 21kv Mcov 17kv Creepage Distance 662mm Arrestor with Polymer Housed
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. |