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    JR28(LR2)熱過(guò)載繼電器

    更新:2013/9/10 15:40:39      點(diǎn)擊:
    • 產(chǎn)品品牌   
    • 產(chǎn)品型號(hào)   JR28(LR2)
    • 產(chǎn)品描述

      JR28(LR2)熱過(guò)載繼電器,是上海人民電氣有限公司 http://www.hqbet5695.com 為您提供的關(guān)于JR28(LR2)熱過(guò)載繼電器型號(hào),JR28(LR2)熱過(guò)載繼電器價(jià)格,有關(guān)JR2...

    產(chǎn)品介紹

    型號(hào)及含義

    結(jié)構(gòu)特征

    熱繼電器為立體布置、造型新穎、美觀、具有斷相保護(hù)、溫度補(bǔ)償、整定電流可調(diào)、自動(dòng)或手動(dòng)復(fù)位任意選擇、有脫扣指示、具有電氣上分開(kāi)的常閉、常開(kāi)輔助觸頭,安裝面積小,安裝方式多樣等功能,具有測(cè)試按鈕和停止按鈕?蛇M(jìn)行動(dòng)作可靠性檢查。有防止手指觸電護(hù)罩,使用安全。有閉鎖裝置防止誤操作。

    拔高度:不超過(guò)2000m

    周?chē)諝鉁囟炔怀^(guò)+40.24h內(nèi)平均溫度不超過(guò)+35,周?chē)諝鉁囟鹊南?/span> -5;

    大氣條件:最離混度為+40時(shí),空氣相對(duì)度不超過(guò)50%,在較低混度下以允許有較的相對(duì)濕度;例如20時(shí)達(dá)90%.對(duì)由于溫化偶爾產(chǎn)的凝應(yīng)取特殊的;

    污染等級(jí):3級(jí);

    安裝類(lèi)別:;

    安裝面與垂亙面的斜度不超過(guò);

    在無(wú)爆炸危險(xiǎn)介質(zhì)中且介質(zhì)中無(wú)足以腐蝕金屬和破壞絕緣的氣體及導(dǎo)電塵埃存在的地方;

    在有防雨雪設(shè)備及沒(méi)有充滿水氣的地方;

    在無(wú)顯著搖動(dòng)、沖擊和動(dòng)的地方;

    型號(hào)
    JR28-25
    JR28-36
    JR28-93
    額定殼架電流
    25
    36
    93
    額定絕緣電壓V
    660
    660
    660
    斷相保護(hù)
    手動(dòng)和自動(dòng)復(fù)位
    溫度補(bǔ)償
    脫扣指示
    測(cè)試按鈕
    停止按鈕
    安裝方式
    組合式獨(dú)立安裝
    組合式獨(dú)立安裝
    組合式獨(dú)立安裝
    輔助觸頭
    1N0+1NC
    1N0+1NC
    1N0+1NC
    AC-15 380V額定電流A
    0.95
    0.95
    0.95
    DC-13 220V額定電流A
    0.13
    0.13
    0.13
    導(dǎo)線截
    囬識(shí)
    mm
    主回路
    單芯或絞合線
    1~4
    5~10
    6~35
    接線螺釘
    M4
    M4
    M10
    單芯或絞合線
    0.5-2.5
    0.5-2.5
    0.5-2.5
    輔助回路
    接線螺釘
    M3.5
    M3.5
    M3.5

    產(chǎn)品的保護(hù)特性

     

    項(xiàng)目
    序號(hào)
    額定電流倍數(shù)
    動(dòng)作時(shí)間
    試驗(yàn)動(dòng)作
    過(guò)載保護(hù)
    1
    1.05
     
    2小時(shí)內(nèi)不動(dòng)作
    冷態(tài)動(dòng)作
    2
    1.2
     
    2小時(shí)內(nèi)動(dòng)作
    熱態(tài)(接序號(hào)1后)開(kāi)始
    3
    1.5
     
    2分鐘內(nèi)動(dòng)作
    熱態(tài)(按序號(hào)1后)開(kāi)始
    4
    7.2
     
    2s
    冷態(tài)開(kāi)始
    斷相保護(hù)
    5
    任意二相
    另一相
    2小時(shí)內(nèi)不動(dòng)作
    冷態(tài)開(kāi)始
    1
    0.9
     
     
    6
    1.15
    0
    2小時(shí)內(nèi)動(dòng)作
    熱態(tài)(按序號(hào)5后)開(kāi)始

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