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      1. DZ12LE漏電斷路器

        更新:2013/9/18 15:22:32      點擊:
        • 產品品牌   
        • 產品型號   DZ12LE
        • 產品描述

          DZ12LE漏電斷路器,是上海人民電氣有限公司 http://www.mauscontracting.com 為您提供的關于DZ12LE漏電斷路器型號,DZ12LE漏電斷路器價格,有關DZ12LE漏電斷路器的相關資...

        產品介紹
        .漏電斷路器過電流脫扣特性見下表:

        序號

        脫扣器額定電流In

        起始狀態(tài)

        試驗電流

        規(guī)定時間

        預期結果

        1

        所有值

        冷態(tài)

        1.13In

        t≥1h

        不脫扣

        2

        所有值

        緊接著序號1
        項試驗后進行

        1.45In

        t<1h

        脫扣

        3

        In≤32A

        冷態(tài)

        2.55In

        ts<t<60s

        脫扣

        In>32A

        ts<t<120s

        4

        所有值

        冷態(tài)

        10In

        t≥0.1s

        不脫扣

        5

        所有值

        冷態(tài)

        50In

        t<0.1s

        脫扣

        2.漏電斷路器的基本參數(shù)見下表:

        型號

        額定電壓
        V

        極數(shù)

        額定電流
        A

        額定剩余動作
        電流mA

        額定剩余不動作
        電流mA

        額定短路能力
        kA

        DZ12LE-60/1N

        230

        一極二線

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

        30?50

        15?25

        3

        DZ12LE-60/2

        230

        二線

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

        30?50

        15?25

        DZ12LE-60/2

        400

        三線

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

        30?50

        15?25

        DZ12LE-60/3N

        400

        三線

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

        30?50

        15?25

        使用環(huán)境條件

        1.安裝地點的海拔高度不超過2000m
        2.周圍空氣溫度為-5-+40,24小時周期內的平均溫度不超過+35.
        3.大氣相對濕度在周圍空氣溫度為+40℃時不超過50%,最濕月平均最大相對濕度為90%,同時該月平均最低溫度為+25
        4.安裝位置與垂直面的傾斜度不超過2°,安裝在無顯著搖動或沖擊的地方.
        5.安裝場所附近磁場在任何方向不應超過地磁場的5.
        6.污染等級:2.

        5.7選用原則
        5.7.1選擇漏電斷路器的額定剩余動作電流值時,應考慮到被保護線路和設備可能發(fā)生的正常泄漏電流值,必要時可通過實際測量取得被保護線路或設備的正常泄漏電流值。
        5.7.2選擇漏電斷路器的額定剩余不動作電流,應不小于電氣線路和設備的正常泄漏電流最大值的2倍。
        5.7.3手持式電動工具、移動電器、家用電器、插座、建筑工地用電器(額定電流小于100A)等應優(yōu)先選用額定剩余動作電流為30mA或以下的漏電斷路器。
        5.7.4單臺設備可選用額定剩余動作電流為30mA或以下的漏電斷路器。多臺設備(多支路)的總保護應選用額定剩余動作電流為30mA以上的漏電斷路器。
        5.7.5安裝在潮濕場所的電氣設備應選用額定剩余動作電流30mA或以下的漏電斷路器。

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