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DFW-12KV high voltage cable branch box Power outdoor ring box Stainless steel cable branch box
Product Parameter
Product name |
DFW-12KV high voltage cable branch box |
Product brand |
spor |
Rated voltage |
12kv |
Rated current |
630A |
Rated frequency |
50HZ |
Dynamic stable current |
50kA/0.3s |
Heat stable current |
20kA/3s |
1 minute power frequency withstand voltage |
42kv |
15min DC voltage |
52kv |
Lightning impulse voltage |
105kv |
Class of protection |
Ip33 |
Normal Use Environmental Conditions
1.ambient temperature: maximum temperature :+40C, minimum temperature -30C;
2.wind speed: equivalent 34m/s(not more than 700Pa);
3. humidity: the average daily relative humidity is not more than 95%; The average monthly relative humidity is less than 95%.
4.shock-proof: horizontal acceleration is not more than 0.4m/s; Vertical acceleration is not more than 0.15m/s;
5.installation site inclination: not more than 3°;
6. installation environment: the surrounding air should be free from corrosive, flammable gas, water vapor and other obvious pollution, installation site without violent vibration.
