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非消防負荷回路部分配電開關的分勵脫扣器設置!千萬別遺漏了

發布日期:2022-10-15 點擊率:49

在建筑電氣設計中,有不少電氣設計師很多時候都遺漏設置非消防負荷回路部分配電開關的分勵脫扣器,導致在發生火災時消防聯動控制器無法切斷火災區域及相關區域的非消防電源。

根據 《火災自動報警系統設計規范》GB501162013第40.1條:消防控制室在確認火災后,消防聯動控制器應具有切斷火災區域及相關區域的非消防電源,切除非消防電源是為了使火災應急照明及消防負荷更可靠運行和保障消防人員的安全,無論是集中切除還是分散切除,因在該回路的配電開關未裝設分勵脫扣器,所以火災時無法實現切除非消防負荷。

因此,正確的做法是在非消防電源饋出回路的主斷路器均設分勵脫扣器,控制線接至消防控制中心,以便在火災狀態下可由消防控制中心手動或自動切除相關區域內的非消防電源。

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