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防雷箱 我有新說法
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　　防雷箱是一種防雷擊設備，主要安裝在配電房、配電柜、交流配電屏、開關箱和其它重要設備容易遭受雷擊設備的電源進線處，以保護設備免遭沿電源線路侵入的雷擊過電壓造成的損害。

1主要類型

　　常見的是電源防雷箱，電源防雷箱主要有密封式電源防雷箱，開門式電源防雷箱，防爆型電源防雷箱，配電式電源防雷箱，矩陣式電源防雷箱等。

　　按使用環境可分為：室外電源防雷箱和室內電源防雷箱。

　　按照連接方式可分為：串聯型和并聯型。

　　注：所有的防雷箱都必須有可靠的接地！

2產品特點

　　電源工作獨立指示；

　　防雷失效指示；

　　劣化報警及指示； 雷擊自動計數功能；

　　遠程接口，主開關狀態遠程指示（可選）；

　　雙電源供電系統、上下均可進出線結構（配電式防雷箱有此功能）；

　　采用防水、防火、防潮箱體。

3應用范圍

　　防雷箱模塊采用電壓開關型模塊和電壓限制型模塊（或一體化MOV）組成。主要安裝在配電房、配電柜、交流配電屏、開關箱和其它重要設備、容易遭受雷擊設備的電源進線處,以保護設備免遭沿電源線路侵入的雷擊過電壓造成的損害;可廣泛應用于通信、電力、交通、金融、鐵路、民航等系統的主電源防護。

　　·復合型電源防雷箱廣泛應用于通信、電力、廠礦、金融、民航、鐵路等系統的主電源防雷擊及過電壓保護；

　　·建筑物總配電屏，配電柜，配電箱，須安裝級防雷設施的環境；

　　·無人執守但須安裝級帶遙信指示的防雷設備的環境； 需要有級防雷失效指示及報警指示及雷電泄放記錄環境；

　　·小面積但要求兩級電涌保護的環境。

4種類區別

　　模塊式避雷器的優點：

　　1、便宜，單個模塊約幾百元；

　　2、小巧，體積與小型空氣開關相當；

　　3，安裝方便，使用標準導軌安裝；

　　箱式避雷器的優點：

　　1、防火比模塊式的好，特別是用于無人值守的基站這一點特別重要；

　　2、部分性能高于模塊式，特別是串聯式，其限制電壓較低，防浪涌電壓的效果好得多。

參考資料

參考資料編輯區域


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