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  • WRA1-63系列電弧故障保護電器
  • 產品描述:
  • WRA1-63系列電弧故障保護電器是由小型斷路器、脫扣機構及電弧檢測模塊組裝而成。區別于普通斷路器的功能是:它能發現對地電弧性短路或者正常工作電流下因回路中連接不良、線路絕緣老化擊穿等產生的故障電弧,并第一時間切斷電路,而防止故障電弧的局部高溫引起火災,而這些故障電弧的電流通常較小,正好處于普通斷路器的保護盲區。而其他消防設備、器材和目前市場上消防(或稱火災)監測、報警系統等都是事后去縮小火災事故的損失。即便安裝了故障電弧監控裝置,也只是發現部分電弧進行報警,而無法控制電弧可能造成的危害。因此,本WRA1-63系列電弧故障保護電器同時具有過載保護、短路保護、電弧故障保護功能,可從源頭杜絕電氣火災的發生,預防火災事故,避免損失。

防故障電弧:檢測到有電弧故障,開關跳閘

防短路功能:負載端發生短路開關直接跳閘

防過電流功能:電流長期高于額定電流開關跳閘

障記憶功能:故障跳閘后首次合閘會點亮相應故障指示燈

LED顯示功能:具有運行、電弧故障燈狀態指示燈


項目AFDD主要技術參數
額定工作電壓(Un)AC 220-230V
額定頻率50Hz
額定電流(In)10、16、20、25、32A
額定接通和分斷能力(Im)4.5KA
極數2P
基本保護功能能及時切斷負載供電線路中產生短路、過載、故障電弧的電源
具有其他功能特性具有LED狀態指示、故障記憶、負載(>2A時)LED指示功能、故障警示功能
脫扣特性C型
執行標準GB/T 31143-2014

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