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      CRM5塑料外殼式斷路器

      更新:2013/9/18 15:14:53      點擊:
      • 產品品牌   
      • 產品型號   CRM5
      • 產品描述

        CRM5塑料外殼式斷路器,是上海人民電氣有限公司 http://www.jojupm.com 為您提供的關于CRM5塑料外殼式斷路器型號,CRM5塑料外殼式斷路器價格,有關CRM5塑料外殼式斷路器...

      產品介紹

      1、周圍空氣溫度上限值不超過+40,下限值不低于-5,24h的平均溫度值不超過+35:

      1:下限值為-10-25的工作條件.在訂貨時用戶須向制造廠申明:

      2:上限值超過+40或下限值低于-25的工作條件.用戶應與制造廠協商n

      2、安裝地點的海拔不超過2000m:

      3、大氣相對濕度在周圍空氣溫度為+40時不超過50%.在較低溫度下可以允許有較高的相對濕度.例如?在+20時達90%.對由于溫度變化偶爾產生的凝露應采取適當的措施:

      4、污染等級:3級:

      5、安裝類別:斷路器主電路為.控制電路和輔助電路為II

      結構特征

      DZ5-20塑充式斷路器由模塑件、操作機構、熱脫扣器、電磁脫扣器、觸頭系統和滅弧系統等組成.具?有過載和短路保護功能。

      DZ5-50塑充式斷路器由觸頭系統、連桿機構、脫扣器及模塑件等組成,除主觸頭外.還帶有輔助觸?頭?采用液壓式電磁脫扣器作為過載和短路保護.因此脫扣器的電流整定值不受周圍環境溫度的影響

      基本參數:

      ?

      型號

      DZ5-20

      DZ5-50

      額定電壓UeV

      AC380

      AC380

      殼架等級最大的額定電流A

      20

      50

      額定電流IeA

      0.15,0.2,0.3,0.45,0,651,1.5,2,3,4.5,6.5,10,15,20

      10,15,20,25,30,40,50

      脫扣器整定

      電流IrA

      配電用

      10In

      10In

      保護電動機用

      ^12In

      12In

      額定短路分

      斷能力A

      In?A

      復式脫扣器

      電磁式脫扣器

      熱脫扣器

      無脫扣器

      液壓

      0.15-6.5,10-20

      1200?1500

      1200?1500

      14Ie

      200

      2500

      壽命

      有載

      1500

      1500

      無載

      8500

      8500

      總計

      10000

      10000

      每小時操作次數?次A

      120

      120

      極數?P

      2??3

      3

      保護特性

      熱式和電磁脫扣器

      液壓稅扣器阻尼式(電動機用)

      配電用

      I/Ie

      1.05

      1.3

      2.0

      3.0

      1.05

      1.2

      1.5

      動作時間

      ≥1h不動作

      <1h動作

      <4min動作

      可返回時間>1s

      >2h不動作

      <2h動作

      <4min

      保護電動

      機用

      I/Ie

      1.05

      1.2

      1.5

      7.2

      7.2

      12

      動作時間

      >2h不動作

      <1h動作

      <2min動作

      2s<可返回時間<10s

      可返回時間>1S

      <0.2s

      輔助觖頭主要技術參數見表2

      額定電流Ratedcurrent(A)

      脫扣器電流整定范圍Setting,range,of,current(A)

      0.16

      0.1~0.16

      0.25

      0.16~0.25

      0.4

      0.25~0.4

      0.63

      0.4~0.63

      1

      0.63~1

      1.6

      1~1.6

      2.5

      1.6~2.5

      4

      2.5~4

      6.3

      4~6.3

      10

      6.3~10

      16

      10~16

      20

      16~20

       

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