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FZN21-12RD戶內隔離真空負荷開關

FZN21-12RD戶內隔離真空負荷開關

FZN21-12D/T630-20、FZN21-12DR/T125-31.5戶內隔離真空負荷開關-熔斷器組合電器型高壓真空負荷開關及組合電器用于三相交流12KV、50Hz的配電系統中，具有結構緊湊、體積小、重量輕、壽命長、關合開斷能力強、安全可靠等優點，與熔斷器配合使用(簡稱組合電器)，可替代造價較高的斷路器，其操作和維護簡單方便。

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