本信息由樂清市邁創電氣有限公司發布

　　1.產品簡介

　　CM1系列塑料外殼式斷路器（以下簡稱斷路器），是采用國際先進設計、制造技術研制、開發的新型斷路器之一。其額定絕緣電壓為800V，適用于交流50Hz/60Hz，額定工作電壓690V及以下，（CM1-63為400V），額定電流至800A的電路中作不頻繁轉換及電動機保護（CM1-800無電動機保護型）之用。斷路器具有過載、短路和欠電壓保護功能，能保護線路和電源設備不受損壞。

　　斷路器按照其額定極限短路分斷能力（Icu）的高低、分為C型（基本型）、L型（標準型）、M型（較高分斷型）、H型（高分斷型）四類。該斷路器具有體積小、分斷高、飛弧短（部分規格零飛弧）、抗振動等特點，并通過了核工業條件（1E級）試驗和船舶條件的試驗，成為國產產品中唯一能用于核工業基地的產品，更是陸地及船舶使用的理想產品。

　　本斷路器可垂直安裝（即豎裝），亦可水平安裝（即橫裝）。

　　本斷路器具有隔離功能，其相應的符號為:。

　　斷路器符合IEC60947-2、GB14048.2標準。

　　本斷路器獲國家強制性產品認證“CCC”標志和德國“TUV”（萊茵）公司“CE”認證。

　　2.正常使用條件

　　斷路器可在周圍空氣溫度為-5℃～+40℃條件下運行（大于+40℃至+60℃降容使用）；

　　海拔及2000m以下；

　　安裝地點的空氣相對濕度在最高溫度為+40℃時不超過50％，在較低溫度下可以有較高的相對濕度，例如20℃時達90％。對由于溫度變化偶爾產生的凝露應采取特殊措施；

　　污染等級為3級；

　　斷路器主電路及欠電壓脫扣器安裝類別為Ⅲ，其余輔助電路、控制電路安裝類別為II；

　　斷路器適用于電磁環境A；

　　斷路器能耐受潮濕空氣、鹽霧、油霧、霉菌、核工業環境的影響；

　　斷路器安裝的最大傾斜度為±22.5°；

　　斷路器在受到船舶正常振動時能可靠工作；

　　斷路器在受到地震情況下（4g）能可靠工作；

　　斷路器應安裝在無爆炸危險和無導電塵埃、無足以腐蝕金屬和破壞絕緣的地方；

　　斷路器應安裝在沒有雨雪侵襲的地方。

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