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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.mauscontracting.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、具有電氣上分開的常閉、常開輔助觸頭,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。可進(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

        周圍空氣溫度不超過(guò)+40.24h內(nèi)平均溫度不超過(guò)+35,周圍空氣溫度的下 -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)開始
        3
        1.5
         
        2分鐘內(nèi)動(dòng)作
        熱態(tài)(按序號(hào)1后)開始
        4
        7.2
         
        2s
        冷態(tài)開始
        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)開始

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