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產(chǎn)品中心您現在的位置:首頁(yè) > 產(chǎn)品展示 > 高壓真空斷路器 > 真空斷路器 > ZW8-12/630高壓真空斷路器

高壓真空斷路器

簡(jiǎn)要描述:

產(chǎn)品廣泛造用于火電、水電、輸配電、化工、礦山、油田、城鄉電網(wǎng)改造以及其它項目的配套。

更新時(shí)間:2021-09-17

訪(fǎng)問(wèn)次數:800

廠(chǎng)商性質(zhì):生產(chǎn)廠(chǎng)家

產(chǎn)品概述
      ZW8-12系列真空斷路器為額定電壓12kV,三相交流50Hz的高壓戶(hù)外開(kāi)關(guān)設備,主要用來(lái)開(kāi)斷關(guān)農網(wǎng)、城網(wǎng)和小型電力系統的負荷電流、過(guò)載電流、短路電流。該產(chǎn)品總體結構為三相共箱式,三相真空滅弧室置于金屬箱內,利用SMC絕緣材料相間絕緣及對地絕緣,性能可靠,絕緣強度高。
      ZW8A-12是由ZW8-12斷路器與隔離刀組合而成的,稱(chēng)為組合斷路器,可作為分段開(kāi)關(guān)使用。
      本系列產(chǎn)品的操動(dòng)機構為CT23型彈簧儲能操動(dòng)機構,分為電動(dòng)和手動(dòng)而成。

技術(shù)參數

序號名稱(chēng)單位數據
6.3kA12.5kA20kA
1   額定電壓kV12
2   額定電流A630
3   額定短路負載開(kāi)斷電流kA6.312.520
4   額定短路關(guān)合電流(峰值)kA1631.550
5   額定峰值耐受電流kA1631.550
6   額定短時(shí)1min耐受電流kA6312.520
7   額定絕緣水平   工頻耐壓(干式)kV 42 
   雷電沖擊耐壓(峰值)75
8   額定操作順序 分-0.3S-合分-180 S-合分
9   機械壽命10000
10   額定短路開(kāi)斷電流開(kāi)斷次數30
11   操動(dòng)機構額定合閘電壓V110,220
12   操動(dòng)機構額定分閘電流A110,220
13   觸頭開(kāi)距mm11±1
14   超行程(觸頭彈簧壓縮長(cháng)度)mm3-0.3+1.0
15   三相分、合閘不同期性ms≤2
16   觸頭合閘彈跳時(shí)間ms≤2
17   平均分閘速度m/s1.0±0.2
18   平均合閘速度m/s0.7±0.15
19   分閘時(shí)間   zui高操作電壓下s0.015-0.05
   zui低操作電壓下0.03-0.06
20   合閘時(shí)間s0.025-0.05
21   各相主回路電阻μΩ≤120
22   動(dòng)靜觸頭允許磨擦累積厚度mm3
 

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