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    HH3鐵殼負(fù)荷開關(guān)

    更新:2013/9/10 16:13:44      點擊:
    • 產(chǎn)品品牌   
    • 產(chǎn)品型號   HH3
    • 產(chǎn)品描述

      HH3鐵殼負(fù)荷開關(guān),是上海人民電氣有限公司 http://www.hqbet5695.com 為您提供的關(guān)于HH3鐵殼負(fù)荷開關(guān)型號,HH3鐵殼負(fù)荷開關(guān)價格,有關(guān)HH3鐵殼負(fù)荷開關(guān)的相關(guān)資料,上海人民電氣...

    產(chǎn)品介紹

    正常工作條件和安裝條件

    1 周圍空氣溫度不高于+40℃,不低于-5℃。
    2 安裝地點的海拔不超過2000m。
    3 濕度:
    最高溫度為+40℃時,空氣的相對濕度不超過50%,在較低的溫度下可以允許有較高的相對濕度,
    例如20℃時達(dá)90%。對由于溫度變化偶爾產(chǎn)生的凝露應(yīng)采取特殊的措施。
    4 周圍環(huán)境的污染等級為3級。
    5 開關(guān)應(yīng)安裝在無顯著搖動、沖擊振動和沒有雨雪侵襲的地方,同時安裝地點應(yīng)無爆炸危險介質(zhì),且
    介質(zhì)中無足以腐蝕金屬和破壞絕緣的氣體和塵埃。

    主要參數(shù)及技術(shù)性能

    主要技術(shù)性能及參數(shù)(見下表)

    結(jié)構(gòu)特點

    1 開關(guān)在結(jié)構(gòu)上設(shè)計成側(cè)面旋轉(zhuǎn)操作式,共分四部分,操作機構(gòu)、熔斷器、鐵殼和觸頭系統(tǒng)。
    2 操作機構(gòu)有快速分?jǐn)嘌b置,開關(guān)的閉合和分?jǐn)嗨俣扰c操作者手的動作速度無關(guān),因而保證操作人 員
    和設(shè)備的安全。
    3 觸頭系統(tǒng)帶滅弧室,觸頭系統(tǒng)全部裝在鐵盒之內(nèi),完全處于封閉狀態(tài),保證人員安全。
    4 罩蓋關(guān)閉后可以與鎖扣楔合,當(dāng)開關(guān)在閉合位置時,由于罩蓋與操作機構(gòu)聯(lián)鎖,罩蓋不能打開,罩蓋
    沒有關(guān)閉時,操作機構(gòu)使開關(guān)不能閉合。另外罩蓋也可以加鎖。

    外形及安裝尺寸

    型號
    外形尺守(mm)
    安裝尺寸(mm)
    備注
    A
    D
    E
    H
    L
    Φ
    接地螺釘d
    HH3-60/3
    340
    250
    127
    145
    280
    8.5
    M5
    HH3-100/3
    436
    350
    180
    250
    360
    8.5
    M6
    HH3-200/3
    510
    350
    195
    250
    444
    8.5
    m6
    HH3-300/3
    510
    350
    195
    250
    444
    8.5
    m6
    HH3-400/3
    560
    420
    205
    285
    485
    8.5
    m8
    HH3-500/3
    560
    420
    205
    285
    485
    8.5
    m8
    HH3-600/3
    625
    420
    215
    285
    525
    8.5
    m8

     

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