KEMA Certified Medium Voltage VD4 Type 33kV VCB
Basic Info
Model No.: ZN85 VCB
Product Description
No. | Description | Unit | Data | ||
1 | Rated voltage | kV | 33~40.5 | ||
2 | Rated insulation levels | Rated power frequency withstand voltage/1min ( phase to phase, phase to earth, open contacts) |
kV | 95 | |
| Rated lighting impulse withstand voltage (phase to phase, phase to earth, open contacts) | 185 | ||||
3 | Rated frequency | Hz | 50 | ||
4 | Rated current |
A | 1250 | 1250 | |
1600 | 1600 | ||||
2000 | 2000 | ||||
2500 2500 | |||||
5 | Rated short circuit breaking current | kA | 25 | 31.5 | |
6 | Rated short time withstand current(4s) | kA | 25 | 31.5 | |
7 | Rated short circuit making current | kA | 63 | 80 | |
8 | Rated peak value of withstand current | kA | 63 | 80 | |
9 | Rated operating sequence |
| O-0.3s-CO-180s-CO O-180s-CO-180s-CO | ||
10 | Rated short circuit breaking current breaking times | times | 20 | ||
11 | Rated cable charge breaking current | A | 50 | ||
12 | Rated single capacitor bank breaking current | A | 630 | ||
13 | Mechanical life | times | 10000 | ||
14 | Allowed abrade cumulative thickness of moving and static contactor | mm | 3 | ||
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