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CRM5塑料外壳式断路器

更新:2013/9/18 15:14:53      点击:
  • 产品品牌   
  • 产品型号   CRM5
  • 产品描述

    CRM5塑料外壳式断路器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于CRM5塑料外壳式断路器型号,CRM5塑料外壳式断路器价格,有关CRM5塑料外壳式断路器...

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1、周围空气温度上限值不超过+40,下限值不低于-5,24h的平均温度值不超过+35:

1:下限值为-10-25的工作条件.在订货时用户须向制造厂申明:

2:上限值超过+40或下限值低于-25的工作条件.用户应与制造厂协商n

2、安装地点的海拔不超过2000m:

3、大气相对湿度在周围空气温度为+40时不超过50%.在较低温度下可以允许有较高的相对湿度.例如?在+20时达90%.对由于温度变化偶尔产生的凝露应采取适当的措施:

4、污染等级:3级:

5、安装类别:断路器主电路为.控制电路和辅助电路为II

结构特征

DZ5-20塑充式断路器由模塑件、操作机构、热脱扣器、电磁脱扣器、触头系统和灭弧系统等组成.具?有过载和短路保护功能。

DZ5-50塑充式断路器由触头系统、连杆机构、脱扣器及模塑件等组成,除主触头外.还带有辅助触?头?采用液压式电磁脱扣器作为过载和短路保护.因此脱扣器的电流整定值不受周围环境温度的影响

基本参数:

?

型号

DZ5-20

DZ5-50

额定电压UeV

AC380

AC380

壳架等级最大的额定电流A

20

50

额定电流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

脱扣器整定

电流IrA

配电用

10In

10In

保护电动机用

^12In

12In

额定短路分

断能力A

In?A

复式脱扣器

电磁式脱扣器

热脱扣器

无脱扣器

液压

0.15-6.5,10-20

1200?1500

1200?1500

14Ie

200

2500

寿命

有载

1500

1500

无载

8500

8500

总计

10000

10000

每小时操作次数?次A

120

120

极数?P

2??3

3

保护特性

热式和电磁脱扣器

液压税扣器阻尼式(电动机用)

配电用

I/Ie

1.05

1.3

2.0

3.0

1.05

1.2

1.5

动作时间

≥1h不动作

<1h动作

<4min动作

可返回时间>1s

>2h不动作

<2h动作

<4min

保护电动

机用

I/Ie

1.05

1.2

1.5

7.2

7.2

12

动作时间

>2h不动作

<1h动作

<2min动作

2s<可返回时间<10s

可返回时间>1S

<0.2s

辅助觖头主要技术参数见表2

额定电流Ratedcurrent(A)

脱扣器电流整定范围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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