Environmental conditions:
1. The altitude should not exceed 2000m.
2. The upper limit of ambient temperature is +40℃, and the lower limit is -30℃ in general areas.
3. The wind pressure does not exceed 8 degrees.
4. The earthquake intensity does not exceed 8 degrees.
5. The thickness of ice coating is not more than 1mm.
6. There is no frequent violent vibration in the installation site.
7. Gas, steam, chemical deposits, salt spray, dust and other explosive and corrosive substances that seriously affect the insulation and conductive fertility of the isolating switch should be installed in ordinary installation sites.
8. The anti-fouling type is suitable for heavily polluted areas, but should not be used to cause superfluous fire and explosion.
Rated Voltage kV |
Rated Current A |
Rated short-circuit current kA |
4S Thermally stable current KA |
Dynamic stable current kA |
Lightning impulse withstand voltage kV |
1 minute power frequency withstand voltage kV |
||
Grouding |
isolated |
Grouding |
isolated |
|||||
11 |
400 |
16 |
12.5 |
31.5 |
95 |
115 |
52 |
48 |
15 |
400 |
16 |
12.5 |
31.5 |
125 |
135 |
50 |
60 |
24 |
400 |
16 |
12.5 |
31.5 |
145 |
160 |
58 |
70 |
33 |
630 |
16 |
12.5 |
31.5 |
185 |
215 |
75 |
85 |