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RDM1係列塑料外殼式斷路器(以下簡稱斷路器),是本公司采用國際先進技術設計開發的新型斷路器。  該斷路器具有體積小、分斷能力高、飛弧短、抗震動的特點, 是陸地及船舶使用的理想產品。斷路器額定絕緣電壓690V(RDM1-63為500V),適用於交流50Hz/60Hz,額定工作電壓至660V,額定電流至1250A的配電網絡中,用來分配電能和保護線路及電源設備免受過載、短路和欠電壓等故障的損壞。亦能作線路不頻繁轉換和電動機不頻繁啟動及過載、短路、欠電壓保護。
斷路器適用於隔離,符號表示為“                     ”。 
斷路器符合標準: GB 14048.2《 低壓開關設備和控製設備  第2部分:斷路器》