Sf6 GIS 24kv Indoor Vcb Rmu Accessories Vacuum Circuit Breaker
Product Features
· Light structure, small contact distance (10 mm), quick action, light operation, small volume and light weight.
· The arcing time is short, because the contact is in vacuum, there is basically no arc, and the very small arc can be extinguished in half cycle (0.01 second), so it is called half cycle circuit breaker, and it has nothing to do with the current.
· The dielectric recovery speed of contact gap is fast.
· Long service life.
· Less maintenance and fire prevention
Technical Parameters
| No. |
Item |
Unit |
Value |
| 1 |
Rated Frequency |
Hz |
50 |
| 2 |
Rated Current |
A |
630 |
| 3 |
Rated Short Time Withstand Current |
KA |
20/25 |
| 4 |
Rated Peak Withstand Current |
KA |
63 |
| 5 |
Rated Short Circuit Duration |
s |
2 |
| 6 |
Rated Short Circuit Making Current |
KA |
63 |
| 7 |
Operation Time |
Times |
5000 |
Applicable conditions
Altitude: ≤2000m;
Ambient air temperature: -45ºC~+50ºC;
Relative humidity: daily average ≤95%, monthly average ≤90%;
It is not suitable for installations where there are frequent and severe vibrations, water vapor, gas, chemical corrosive deposits, salt spray, dust and dirt, and fire and explosion hazard installations that obviously affect the performance of the mechanism.
The rated SF6 gas pressure is 0.04MPa, and the SF6 gas meets the requirements of GB/T 12022-2014 "Industrial SF6″.
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