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        CRW1智能型萬能式斷路器

        更新:2013/10/30 8:48:19      點(diǎn)擊:
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        • 產(chǎn)品型號(hào)   CRW1
        • 產(chǎn)品描述

          CRW1智能型萬能式斷路器,CRW1萬能斷路器是上海人民電氣有限公司 http://www.mauscontracting.com 為您提供的關(guān)于CRW1智能型萬能式斷路器、CRW1萬能斷路器型號(hào),CRW1智能型萬...

        產(chǎn)品介紹

        CRW1萬能斷路器適用范圍

        CRW1系列智能型萬能式斷路器,適用于交流50Hz,額定電壓至690V, 額定電流400A~4000A的配電網(wǎng)絡(luò)中,用來分配電能和保護(hù)線路及電源設(shè)備免受過載,欠電壓, 短路,單相接地等故障的危害,斷路器具有智能化保護(hù)功能,故障判斷準(zhǔn)確,選擇性好,靈敏度高,能提高供電可靠性,避免不必要的停電。同時(shí)也可帶有通訊接口,可實(shí)現(xiàn)遠(yuǎn)距離遙控, 以滿足控制中心和自動(dòng)化系統(tǒng)的要求。CRW1萬能斷路器具有隔離功能。

        產(chǎn)品符合GB14048.11IEC60947-1,IEC60947-2等標(biāo)準(zhǔn)。

        CRW1萬能斷路器型號(hào)含義

        CRW1萬能斷路器分類

        按安裝方式分:a)固定式    b )抽屜式 

        按操作方式:a ) 電動(dòng)操作  b )手動(dòng)操作(檢修、維護(hù)用)

        按極數(shù)分:a ) 三極  b )四極

        按脫扣器種類分:a ) 智能型過電流脫扣器 b )欠電壓瞬時(shí)(或延時(shí))動(dòng)作脫扣器句分勵(lì)脫扣器。

        按過電流脫扣器性能分:a ) 具有過載長延時(shí)反時(shí)限、短延時(shí)反時(shí)限、短延時(shí)定時(shí)限、瞬動(dòng)功 能,可由用戶自行設(shè)定,組成所需要的保護(hù)特性;b )單相接地保護(hù)功能;c ) 顯示功能:整定電流ir顯示,動(dòng)作電流顯示,整定時(shí)間、動(dòng)作時(shí)間顯示;d ) 報(bào)警功能,過載報(bào)警。

        自檢功能:過熱保護(hù),微機(jī)自診斷;f)試驗(yàn)功能;g ) 負(fù)載監(jiān)控功能;h ) 熱模擬功能;i ) MCR功能;j ) 故障記憶功能;k ) 按保護(hù)特性和輔助功能,控制器分為L型、M型、H型。

        CRW1萬能斷路器工作條件

        周圍空氣溫度

        a )上限值不超過|40口; b )下限值不低于-51; c )24h的平均值不超過+35℃;

        注:(1)下限值為-10℃或-25℃時(shí)的工作條件時(shí),在訂貨時(shí)用戶須向本公司申明;

            (2)上限值超過+40℃或下限值低于-25℃時(shí)的工作條件,用戶應(yīng)與本公司協(xié)商。

        海拔:安裝地點(diǎn)海拔不超過2000m。

        大氣條件:最高溫度為+40℃時(shí),空氣相對(duì)濕度不超過50%,在較低溫度下可以允許有較高的相對(duì)濕度:例如20℃時(shí)達(dá)90%,對(duì)由于溫度變化偶爾產(chǎn)生的凝露,應(yīng)采取特殊的措施。

        污染等級(jí):3級(jí)。

        安裝類別:斷路器主電路及欠壓脫扣器線圈、電源變壓器初級(jí)線圈的安裝類別為IV,其余輔助電路,控制電路安裝類別為III。

        安裝條件:斷路器應(yīng)按照本說明書的安裝要求安裝,斷路器的垂直傾斜度不超過5°。

         

        CRW1萬能斷路器主要技術(shù)參數(shù)

        斷路器的基本參數(shù)見表1

         

         

         

        殼架等級(jí)額定電流 lnm A

        額定電流   ln A

        額定電壓 Ue V

        額定極限短路分?jǐn)嗄芰cu kA

        額定運(yùn)行短路分?jǐn)嗄芰cs kA

        額定短時(shí)耐受電流lcw kA(1s)

        飛弧距離  mm

        400V

        690V

        690V

        400V

        2000

        400,630,800,1000,1250, 1600,2000

        50Hz   400    690

        65/80

        40/50

        40/50

        30/40

        40/50

        0

        3200

        2000,2500, 2900,3200

        80/100

        50/65

        50/65

        40/50

        65

        4000*

        3200,3600, 4000

        80/100

        50/65

        50/65

        40/50

        65

        注:分子為標(biāo)準(zhǔn)型技術(shù)指標(biāo)、分母為高分?jǐn)嘈图夹g(shù)指標(biāo)。4000*A為3200A的增容型。

        斷路器在不同環(huán)境溫度下的降容系數(shù)見表2

                                                   表2

        環(huán)境溫度

        +40℃

        +45℃

        +50℃

        +55℃

        +60℃

        允許持續(xù)  工作電流

        2000A

        1ln

        0.95ln

        0.9ln

        0.85ln

        0.8ln

        3200  4000A

        1ln

        0.92ln

        0.86ln

        0.80ln

        0.74ln

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