HWR(C)-40.5/T630 The load switch is a 35kV gas charging cabinet dedicated load switch. The switch structure adopts the moving blade rod and static contact installed in a completely enclosed arc extinguishing cover, and the moving trajectory is a straight line motion. This structure has good arc extinguishing effect, reliable performance and good insulation performance.
The performance of the product complies with GB1895-2004 "High Voltage AC Isolation Switch and Grounding Switch" E2-M2 class isolation switch related standards.
0577-62686971
Model composition
HWC-40.5/T630-20
Operating conditions
installation site | In the box |
ambient temperature （℃） | -45~+140 |
height （m） | ≤2000 |
air humidity （%） | The daily average is not greater than 95% and the monthly average is not greater than 90% |
seismic intensity | No more than 8 degrees |
Load switch technical parameters
order number | project | unit | numeric value |
1 | rated voltage | kV | 40.5 |
2 | rated frequency | Hz | 50 |
3 | rated current | A | 630 |
4 | Rated peak withstand current | kA | 50；63 |
5 | Rated short-term withstand current/time | kA/s | 20/4；25/4 |
6 | Rated short-circuit closing current (peak) | kA | 50/63 |
7 | mechanical life | Next | ≥5000 |
8 | 1min power frequency voltage: phase to ground/disconnected (in SF6 gas) | kV | 95/118 |
9 | Lightning impulse withstand voltage (peak) phase to ground/discharge (SF6 gas medium) | kV | 180/210 |
Mechanical characteristics of load switches
order number | project | unit | numeric value |
1 | Decoupling speed | ms | 4~6 |
2 | closing speed | m/s | 4~6 |
3 | Center-to-center distance | mm | 190 |
4 | Three-phase opening and closing at different periods | ms | ≤2 |
5 | Main circuit resistance | μΩ | ≤35 |
Service Hotline
No. 333, Weishiqi Road, Yueqing Economic Development Zone, Zhejiang Province
Samples
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