Ambient Air Humidity: Upper limit +40°C, lower limit-10℃.
Altitude: Maximum installation altitude of the equipment is 1000m.
Temperature: Daily average relative humidity not exceeding 95%, monthly average relative temperature not exceeding 90%.
Seismic: Seismic intensity not exceeding 8 degrees Surrounding air should not be significantly polluted by corrosive or combustible gases, steam, etc.
No severe pollution and frequent severe vibration in the area.
Switch cabinet technical specification
Item |
Unit |
Data |
Rated Voltage |
|
12 |
Rated Insulation Level |
1-minute Power Frequency Withstand Voltage |
Between phases,-to-Ground |
KV |
42 |
Isolation Break |
48 |
Lightning Impulse Withstand Voltage (Phase-to-Phase, Phase-to-Ground Break) |
|
75/85 |
Rated Frequency |
Hz |
50 |
|
Main Busbar Rated Current |
A |
800 |
1250 |
Branch Busbar Rated Current |
A |
630 |
1000, 1250 |
4s Thermal Stability Current |
kA |
20 |
31.5 |
Rated Dynamic Stability Current |
kA |
50 |
80 |
Main Loop Resistance |
μΩ |
<300 |
Protection Level |
|
IP2X |
Phase-to-Phase Center Distance |
|
165±1 |
210±1 |
Dimensions (Width, Depth, Height) |
MM |
700×900×2300 |
900×900×2300 |

1. Cabinet door
2. Lighting lamp
3. Observation window
4. Operating mechanism
5. Small door panel
6. Instrument door
7. Cabinet eyebrow
8. Busbar through-wall sleeve
9. Bolt
10. Gasket11. Gasket
12. Nut
13. Isolation switch
14. Pull rod
15. Rear panel
16. Current transformer
17. Vacuum circuit breaker
18. Bolt
19. Sensor
20. Bolt
21. Gasket22. Gasket
23. Skeleton
24. Surge arrester