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CRN158(DZ47)-125小型断路器

更新:2013/9/23 15:07:02      点击:
  • 产品品牌   
  • 产品型号   CRN158(DZ47)-125
  • 产品描述

    CRN158(DZ47)-125小型断路器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于CRN158(DZ47)-125小型断路器型号,CRN158(DZ47...

产品介绍

主要技术参数及结构特征

● 结构特征
  该产品可用35mm导轨进行卡式安装,体积小,分断能力高,具有可见的触头闭合指示器。

     断路器由塑料外壳、过电流脱扣器、操作机构,触头及灭弧系统等组成。外壳采用高强度、高阻燃的塑料压制。多极断路器是由多个单极拼装而成,脱扣器用联动杆相连,手柄用联动罩连成一体,保证了各极通断的一致性。

产品型号及含义

1.断路器的额定电流:40A50A63A80A100A

2.断路器的极数分为:单极、二极、三极和四极1P2P3P4P

3.本断路器为嵌入式安装(可在安装轨上安装)

4.断路器的额定工作电压:50Hz230V/400V

5.额定分断能力:Icn=10000AIcs=7500A

6.过电流脱扣特性见表1(环境温度为30℃~35)
断路器的主要技术参数

型号

极数

壳架等级额定电流A

额定电压V

额定电流?A

额定短路分断能力KA

脱扣器型式及脱扣电流

CRN158

1?2?3?4

125

230/400

40、50、63、80、100、125

10

C型(5-10)In
D型(10-14)In


●?断路器过电流脱扣特性

序号

脱扣器额定电流?In

起始状态

试验电流

规定时间

预计结果

备注

1

In=63

冷态

1.05In

t≥1h

不脱扣

In>63

冷态

1.05In

t≥2h

不脱扣

2

In=63

紧接前项试验后进行

1.30In

t<1h

脱扣

电流在5s内稳定地上升至规定值

In>63

紧接前项试验后进行

1.30In

t<2h

脱扣

3

In≥63

冷态

8.0In

t≤0.2s

不脱扣

12.00In

t<0.2s

不脱扣

 

 

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