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    CRN158(DZ47)-125小型斷路器

    更新:2013/9/23 15:07:02      點擊:
    • 產(chǎn)品品牌   
    • 產(chǎn)品型號   CRN158(DZ47)-125
    • 產(chǎn)品描述

      CRN158(DZ47)-125小型斷路器,是上海人民電氣有限公司 http://www.hqbet5695.com 為您提供的關(guān)于CRN158(DZ47)-125小型斷路器型號,CRN158(DZ47...

    產(chǎn)品介紹

    主要技術(shù)參數(shù)及結(jié)構(gòu)特征

    ● 結(jié)構(gòu)特征
      該產(chǎn)品可用35mm導(dǎo)軌進(jìn)行卡式安裝,體積小,分?jǐn)嗄芰Ω,具有可見的觸頭閉合指示器。

         斷路器由塑料外殼、過電流脫扣器、操作機(jī)構(gòu),觸頭及滅弧系統(tǒng)等組成。外殼采用高強(qiáng)度、高阻燃的塑料壓制。多極斷路器是由多個單極拼裝而成,脫扣器用聯(lián)動桿相連,手柄用聯(lián)動罩連成一體,保證了各極通斷的一致性。

    產(chǎn)品型號及含義

    1.斷路器的額定電流:40A、50A、63A、80A、100A

    2.斷路器的極數(shù)分為:單極、二極、三極和四極1P、2P、3P4P

    3.本斷路器為嵌入式安裝(可在安裝軌上安裝)

    4.斷路器的額定工作電壓:50Hz,230V/400V

    5.額定分?jǐn)嗄芰Γ?/span>Icn=10000A,Ics=7500A

    6.過電流脫扣特性見表1(環(huán)境溫度為30℃~35)
    斷路器的主要技術(shù)參數(shù)

    型號

    極數(shù)

    殼架等級額定電流A

    額定電壓V

    額定電流?A

    額定短路分?jǐn)嗄芰A

    脫扣器型式及脫扣電流

    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


    ●?斷路器過電流脫扣特性

    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(yù)計結(jié)果

    備注

    1

    In=63

    冷態(tài)

    1.05In

    t≥1h

    不脫扣

    In>63

    冷態(tài)

    1.05In

    t≥2h

    不脫扣

    2

    In=63

    緊接前項試驗后進(jìn)行

    1.30In

    t<1h

    脫扣

    電流在5s內(nèi)穩(wěn)定地上升至規(guī)定值

    In>63

    緊接前項試驗后進(jìn)行

    1.30In

    t<2h

    脫扣

    3

    In≥63

    冷態(tài)

    8.0In

    t≤0.2s

    不脫扣

    12.00In

    t<0.2s

    不脫扣

     

     

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