ZW8-12 outdoor high-voltage vacuum circuit breaker

Model: ZW8-12
Place of Origin: Zhejiang,China (Mainland)
Type: High Voltage
Brand Name: Sasun
Rated voltage: 12KV

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Product Description

Payment & Shipping Terms Supply Capacity
Payment Terms:L/C, T/TProduction Capacity:100 sets/month
Min. Order:10 Piece/PiecesPacking:wood cases or...
Means of Transport:OceanDelivery Date:30 days

vacuum circuit breaker
serial No.nameunit6.3ka12.5ka20ka
1rated voltagekv121212
2max work voltagekv121212
3rated currenta630630630
4rated short load breaking currentka6.312.520
5rated short closing current(peak value)ka1631.550
6rated peak withstand currentka1631.550
71min rated shor-time withstand currentka6.312.520
8rated insulation level
9rated operation sequence 0.3s-closing-180s-closngsamesame
10life of machinetimes10000samesame
11rated current open loop frequencytime303030
12operating machansm of switching voltage ratingV110220samesame
13contact distancemm11±1samesame
14over travelmm333
15three-phase,closing indifferenct periodms≤2≤2≤2
16contact bounce timems≤2≤2≤2
17average opening speedm/s1.0±0.21.0±0.21.0±0.2
18average closing speedm/s0.7±0.150.7±0.150.7±0.15
19each phase main loop resistance≤120(≤200)≤120(≤200)≤120(≤200)
20static and cly namic contact wear allowan ce thicknessmm333
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