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ZW32-40.5 Outdoor Hv Vacuum Circuit Breaker

Short Description:


Product Detail

Product Tags

◆ Use Conditions

1.Ambient temperature: -30℃~+60℃;

2.Altitude: ≤3000m;

3.Wind speed: ≤34m/s;

4.Pollution grade: ≤IV.

5.Storage temperature: -40℃~+85℃.

◆ Main Technical Parameters

NO. Items Unit Value
1 rated voltage kV 40.5
2 1min power frequency withstand voltage kV 95
3 lightning impulse withstand voltage kV 185
4 rated frequency Hz 50
5 rated current A 630,1250, 1600
6 rated short circuit breaking current kA 20, 25, 31.5
7 rated short circuit making current (peak)
kA 50, 63, 80
8 rated peak withstand current kA 50, 63, 80
9 4s withstand current kA 20, 25, 31.5
10 rated operating sequence S O-0.1s-CO-3s-CO-6S-60s recovery
11 rated short circuit current breaking number times 30
12 mechanical life times 10000
13 mechanism control voltage V AC/DC220
14 secondary circuit 1min power frequency withstand voltage kV 2
15 clearance distance between open contacts mm 16±1
16 over travel mm 4±0.5
17 opening speed m/s 1.4-1.8
18 closing speed m/s 0.4-0.8
19 contact closing bounce time ms ≤5
20 three phase opening/closing asynchronism ms ≤2
21 closing time ms ≤100
22 opening time ms ≤50
23 weight kg 270

◆ Overall Drawing

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