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    Isolator Switches

    隔離開關(Isolator Switches),又稱斷路開關或斷電開關,是一種用於斷開電路電源的電氣設備。它可隔離電路或設備,以便進行維修、檢修或提高安全性。隔離開關設計用來中斷電流,並提供物理屏障,防止意外接觸到帶電部件。這些開關常見於工業、商業和住宅場所,確保在維修或緊急情況下保障人員和設備的安全。

    隔離開關的工作原理

    當隔離開關處於分閘位置時,觸頭之間會保持符合規定要求的絕緣距離,並有明顯的斷開標誌;而在合閘位置時,它能夠承載正常回路條件下的電流,以及在規定時間內承受異常條件(例如短路)下的電流。隔離開關一般用作高壓隔離開關,即額定電壓在1kV以上的隔離開關。 雖然隔離開關的工作原理和結構相對簡單,但由於其使用廣泛,對工作可靠性的要求很高,因此對變電所、電廠的設計、建設和安全運行都產生了重大影響。隔離開關的一個主要特點是它沒有滅弧能力,因此只能在沒有負載電流的情況下進行分閘和合閘操作。

    隔離開關掣的優點

    • 安全性:隔離開關主要增強安全性,能可靠地斷開設備或電路的電源,減少維修或檢修時觸電或意外的風險。
    • 維修保養:隔離開關能使設備或電路安全去電,以便進行維護或服務,確保技術人員可以在無電的狀態下工作。
    • 應急響應:在緊急情況下,隔離開關可以快速、簡單地切斷電源,防止進一步的損害或危險。
    • 能源管理:隔離開關可控制特定區域或設備的能源供應。
    • 故障識別:隔離開關通常配有指示或可見的斷開位置,方便識別電路或設備是否帶電。
    • 符合規範:隔離開關是電氣安全法規和標準中的必要措施,確保適當的安全保障。

    隔離開關的規格

    隔離開關的主要規格參數:

    • 額定電壓(Un):隔離開關能夠安全承受的最大有效值電壓。
    • 額定電流(In):隔離開關在額定電壓下長期連續通電時允許通過的最大有效值電流。
    • 額定頻率(fn):隔離開關設計用於工作的頻率。
    • 絕緣距離:隔離開關在分閘位置時,相間或相地之間的最小距離。
    • 機械壽命:隔離開關在額定條件下能夠進行分合操作的次數。
    • 電氣壽命:隔離開關在額定條件下能夠進行分合操作的次數,同時保證其電氣性能不超過規定的允許值。
    • 操作方式:手動、電動或其他。
    • 安裝方式:固定式、抽出式等。
    • 驅動方式:槓桿式、齒輪式等。
    • 保護等級:IP等級,表示隔離開關的防塵、防水性能。

    隔離開關的類型

    隔離開關在斷開方式上可分為旋轉式開關或刀片式開關。此外,隔離開關還具有不同的額定功率、額定電壓、開關額定值和額定電流,這些都是選擇隔離開關的重要考慮因素。

    隔離開關的應用

    • 電力分配系統
    • 工業機械和設備
    • 可再生能源系統
    • 暖通空調(HVAC)系統
    • 製造與工業流程
    • 數據中心

    隔離開關的品牌推薦

    RS 歐時為您提供了不同品牌的示波器,如ABBSiemensRS PRO等多款不同規格、型號的產品供您挑選,從而滿足不同的應用場景需求。

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    產品詳述
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