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DZ12塑壳断路器

更新:2013/9/18 15:21:37      点击:
  • 产品品牌   
  • 产品型号   DZ12
  • 产品描述

    DZ12塑壳断路器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于DZ12塑壳断路器型号,DZ12塑壳断路器价格,有关DZ12塑壳断路器的相关资料,上海人民电气...

产品介绍

使用环境条件
  1.安装地点的海拔高度不超过2000m;
  2.周围空气温度:-5℃- +40'C,24小时周期内平均温度不超过+35℃;
  3.大气相对湿度在周围空气温度为+40℃时不超过50%,最湿月平均最大相对湿度为90%,同时该月平均温度不超过+20'C:
  4.安装类别为:Ⅲ;
  ■安装位置与垂直的倾斜度不超过5。;
  ■安装在元显著摇动或捉冲击振动的地方;
  5.污染等级:2级。
三、结构及工作原理
    1.断路器由手柄、操作结构、脱扣装置、灭弧装置及触头系统等组成,均安装在塑料外壳内组成一体。
    2.脱扣装置系由双金属元件及焊在其上的磁扼构成,出厂时调整螺钉已调好,并封牢,不用担心意外变化而影响脱扣
       特性。
    3.二极、三极断路器内部装有联动的脱扣装置,保证二极和三极电路接通与断开的一致性,不会造成单相断路事故。

1.过电流脱扣特性见下表:

序号

脱扣器额定电流In

起始状态

试验电流

规定时间

预期结果

a

所有值

冷态

1.05In

t≥1h

不脱扣

b

所有值

紧接着序号1
项试验后进行

1..3n

t<1h

脱扣

c

所有值

冷态

8In

t≥0.1s

不脱扣

d

所有值

冷态

12In

t<0.1s

脱扣

额定工作电压

[V]230,400

极数

1P;2P;3P

额定电流

[A]6,10,16,20,32,40,50,63

分断能力

[A]3000

保护特性
整定温度

[]30

安装类别

 

 

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