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產(chǎn)品名稱: | TD-12/630-12.5斷路器用陶瓷真空滅弧室 | ||||
型號規(guī)格: | ![]() ![]() |
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產(chǎn)品類別: | 常規(guī)產(chǎn)品 -- 備品配件 -- 陶瓷真空滅弧室 | |||||
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參考價格: | 廠價直銷 | ||||
產(chǎn)品品牌: | 國產(chǎn) | |||||
產(chǎn)品產(chǎn)地: | 上海 | |||||
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可供數(shù)量: | 批量 | ||||
供貨周期: | 現(xiàn)貨(或電詢) | |||||
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產(chǎn)品簡介: |
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參數(shù)名稱 Parameter name |
單位 Unit |
數(shù)值 Value |
額定電壓Rated voltage |
kV |
12 |
額定電流Rated current |
A |
630 |
額定頻率Nominal frequency |
Hz |
50 |
短時(1min)工頻耐受電壓 |
kV |
42 |
雷電沖擊耐受電壓Lightning impulse withstand voltage |
kV |
75 |
額定短路開斷電流Rated short circuit breaking current |
kA |
12.5 |
額定峰值耐受電流Rated peak withstand current |
kA |
31.5 |
額定短路關(guān)合電流Rated short circuit making current |
kA |
31.5 |
額定短時耐受電流Rated short time withstand current |
kA |
12.5 |
額定短路持續(xù)時間Rated duration of short circuit |
S |
4 |
額定單個電容器組開斷電流Rated breaking current of single capacitor bank |
A |
630 |
額定背對背電容器組開斷電流 |
A |
400 |
額定短路開斷電流次數(shù)Rated short circuit breaking current |
次time |
30 |
機(jī)械壽命Mechanical endurance |
次 |
10000 |
觸頭自閉力Closing force due to bellow and atmosphere |
N |
60±30 |
額定開距下的觸頭反力Force required to hold contacts open at full stroke |
N |
160±30 |
額定觸頭壓力下限時的回路電阻Circuit resistance at lower limit of rated contact force |
μΩ |
≤35 |
觸頭允許磨損厚度Contact limit erosion |
mm |
3 |
真空滅弧室內(nèi)部氣體壓力Gas pressure inside vacuum interrupter |
Pa |
≤1.33×10ˉ3 |
運動部分的質(zhì)量Weight of moving parts |
kg |
0.35 |
真空滅弧室質(zhì)量Weight of vacuum interrupter |
kg |
1.2 |
觸頭開距Clearance between open contacts |
mm |
8±1 |
平均分閘速度Average opening speed |
m/s |
1.2±0.2 |
平均合閘速度Average closing speed |
m/s |
0.8±0.2 |
額定觸頭壓力Rated contact force |
N |
1200±200 |
觸頭合閘彈跳時間Contact bouncing duration at closing operation |
ms |
≤2 |
觸頭合閘和分閘不同期性O(shè)ut of simultaneity of contact closing and opening |
ms |
≤2 |
分閘觸頭反彈幅值Bouncing back amplitude of opening contact |
mm |
≤2 |