SAFETY NEWS
Providing the latest product safety knowledge and techniques monthly.
2021年9月 (第323期)
一、 UL 對於電源分配器PDU(Power Distribution Unit)申請之判定
ITE使用的PDU與一般延長線之間的產品標準常有混淆不清的理解,產品應用是歸屬於ITE標準(60950-1 or 62368-1)的範疇
原則上,如下狀況,只有裝置於電腦機房環境的機櫃內才是ITE PDU
一:外觀如同一般延長線且帶有USB輸出,客戶聲稱指定給ITE專用
二:外觀不太像一般延長線,但功能跟延長線一樣,客戶並聲稱給ITE專用
(狀況一)
(狀況二)
三:外觀是金屬殼的一般延長線,並帶有壁掛或類似貼附的安裝孔,客戶還聲稱給ITE專用
四:外觀像是可以崁入或鑽釘於傢俱,並有USB端子,客戶聲稱給ITE專用
五:外觀是金屬殼且輸出插座是IEC 60320型式,並且採用了可分離式電源線,明確安裝於電腦、通信、雲端機房的機櫃內
六:外觀是金屬殼且輸出插座是NEMA型式,並採用了可分離式電源線,明確安裝於電腦、通信、雲端機房的機櫃內
七:外觀是金屬殼但用於直流電力分配,明確安裝於電腦、通信、雲端機房機櫃內
八:外觀像是充電塔,功能具類似延長線且帶有USB端子,客戶聲稱指定給ITE專用
九:外觀大小像是便於攜帶的Power Adapter並帶有輸出插座,客戶聲稱給ITE專用
(狀況八)
(狀況九)
Note:以上圖片皆從網路取得
二、 高壓直流輸入或輸入規格同時有100-240 V a.c 與240 V d.c的設備
依UL62368-1突波吸收器(Varistor)因交流電壓與直流電壓的特性不同,做動的特性也會有所差異,應該依照突波吸收器(Varistor)認證的範圍使用,才能達到預期的效果,特別是高壓直流輸入(60 V d.c 以上)的情況應依照以下方式選用。
1. 若Varistor用料在UL認證中僅認證AC規格(如下表零件UL 資料紅色框),只要選用時應要確認UL認證的"MCOV"電壓應要大於輸入電壓,如下綠框資料,不應改選用Vn當成選用標準。
2. 若Varistor用料在UL認證中已經有DC規格,零件直接選用DC電壓規格即可,如下紅色欄位。
三、 韓國公告正式接受IEC 62368-1第三版(IEC 62368-1:2018)
1. 依據韓國技術標準局(KATS)於8月27日正式公告內容KC 62368-1標準只接受IEC 62368-1第三版 (IEC 62368-1:2018) 。
2. 隨著適用於影音設備和資通訊設備的國際標準更新,為滿足韓國安全標準-KC 60065,K 60950-1,K 60950-22預計2022年12月31日廢除,距離現在有一年多的緩衝期,廠商可提早準備。
3. IEC 62368-1 為整合IEC 60065(影音設備)與IEC 60950-1(資通訊設備)標準。
四、 電源供應器從資訊類標準跨入醫療標準
因疫情關係醫療設備產品需求增加,而電源供應器為醫療設備器材中不可或缺。
針對長期耕耘資訊類產品的電源廠商,使其在設計初期即能跨入醫療設備產品市場,有效符合標準。鼎安實驗室具有IEC 62368 -1 & IEC 60601-1雙標準CBTL 實驗室,可協助電源供應器廠商符合IEC 62368 -1 & IEC 60601-1 結構與測試要求,以降低往後修改或新設計的研發成本。近期鼎安與UL合作推出經濟實惠認證方案以協助電源廠商通過醫療認證標準,如有任何相關問題可聯絡鼎安業務團隊。
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