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DZ12LE漏电断路器

更新:2013/9/18 15:22:32      点击:
  • 产品品牌   
  • 产品型号   DZ12LE
  • 产品描述

    DZ12LE漏电断路器,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于DZ12LE漏电断路器型号,DZ12LE漏电断路器价格,有关DZ12LE漏电断路器的相关资...

产品介绍
.漏电断路器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

1

所有值

冷态

1.13In

t≥1h

不脱扣

2

所有值

紧接着序号1
项试验后进行

1.45In

t<1h

脱扣

3

In≤32A

冷态

2.55In

ts<t<60s

脱扣

In>32A

ts<t<120s

4

所有值

冷态

10In

t≥0.1s

不脱扣

5

所有值

冷态

50In

t<0.1s

脱扣

2.漏电断路器的基本参数见下表:

型号

额定电压
V

极数

额定电流
A

额定剩余动作
电流mA

额定剩余不动作
电流mA

额定短路能力
kA

DZ12LE-60/1N

230

一极二线

6?10?15?20?30?40?50?60

30?50

15?25

3

DZ12LE-60/2

230

二线

10?15?20?30?40?50?60

30?50

15?25

DZ12LE-60/2

400

三线

10?15?20?30?40?50?60

30?50

15?25

DZ12LE-60/3N

400

三线

10?15?20?30?40?50?60

30?50

15?25

使用环境条件

1.安装地点的海拔高度不超过2000m
2.周围空气温度为-5-+40,24小时周期内的平均温度不超过+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%,同时该月平均最低温度为+25
4.安装位置与垂直面的倾斜度不超过2°,安装在无显著摇动或冲击的地方.
5.安装场所附近磁场在任何方向不应超过地磁场的5.
6.污染等级:2.

5.7选用原则
5.7.1选择漏电断路器的额定剩余动作电流值时,应考虑到被保护线路和设备可能发生的正常泄漏电流值,必要时可通过实际测量取得被保护线路或设备的正常泄漏电流值。
5.7.2选择漏电断路器的额定剩余不动作电流,应不小于电气线路和设备的正常泄漏电流最大值的2倍。
5.7.3手持式电动工具、移动电器、家用电器、插座、建筑工地用电器(额定电流小于100A)等应优先选用额定剩余动作电流为30mA或以下的漏电断路器。
5.7.4单台设备可选用额定剩余动作电流为30mA或以下的漏电断路器。多台设备(多支路)的总保护应选用额定剩余动作电流为30mA以上的漏电断路器。
5.7.5安装在潮湿场所的电气设备应选用额定剩余动作电流30mA或以下的漏电断路器。

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