SAFETY NEWS
Providing the latest product safety knowledge and techniques monthly.
2016年6月 (第260期)
一、 伺服器、電腦系統類等資訊類產品,如果使用說明書允許使用工具去打開設備進行維修或是擴充,應注意國際認證IEC60950-1產品安全法規以下相關要求
由於系統產品內部危險源主要來自電源供應器(build-in Power Supply),為了要保護維修操作人員,Power本體要去作Electrical Shock Symbol標示or 同等意思句子做警告,以符合IEC 60950-1標準章節1.7.2.5對於 Operator access with a tool的相關要求。
電源供應器製造商或伺服器、電腦系統產品申請IEC/EN/UL60950-1認證時,應負起警語標示的責任,目前大多是電源供應器製造商廠申請電源供應器(build-in Power Supply)認證時負責標示警語或符號的責任以符合相關要求,相關標示如下符號與警語範例:
二、伺服器常用的電源供應器若為Redundant Power Supply(冗餘電源供應器)進入印度市場應注意產品特性是否要申請BIS
印度的標準機關Bureau of Indian Standards(BIS)在 DeitY(Ministry of Communication & IT, Government of India)所公告強制性申請產品說明內針對具有類似已經被管制的外接式電源供應器的Redundant Power Supply(冗餘電源供應器),做以下說明:
若Redundant Power Supply(冗餘電源供應器)同時符合以下兩個特性,進口到印度要申請BIS認證。
1. Redundant Power Supply採用Inlet 且有 hot swappable 功能
2. Redundant Power Supply單獨出貨,沒有跟系統一起進口到印度
請注意並不是Redundant Power Supply 都要做,只有符合以上條件才需要。
若有任何問題歡迎聯絡以下鼎安窗口:
Tel: 02-2917-4137
Eddie Shue 分機:124 eddie@spci.com.tw
Anthony Huang分機:140
三、LED燈使用的電源(LED Driver)申請美規標準 UL8750 Class P(過熱保護型)的要求和應用
LED 燈具推陳出新且技術越來越成熟,隨而言之北美認證單位UL也針對LED Driver 推出 Class P(過熱保護型)測試和結構評估等要求,來滿足燈具廠商能有彈性的去選擇。Class P(過熱保護型)主要是LED Driver 在設計上有保護元件,並再搭配LED 燈具上時如溫度過高能及時的保護,避免火災和電擊的危險發生。
在結構要求上必須符合以下條件
1. 在外殼要求上要去符合電氣和防火外殼等相關要求(UL8750 第六章節)
2. 如外殼設計上是選用塑膠外殼和外接配線的線材和端子耐溫至少 90°C。
3. 供電和負載連接方式須符合 UL 8750 針對配線的相關要求
在測試上則另外評估以下測試
1. 正常操作在額定負載及標準環境溫度(UL 8750 的表格 8.2,25°C 或 40°C)時,外殼任何一處的溫度均須小於 90°C。
2. 在異常測試中(短路原件或輸出過載),外殼上任一處量測的溫度需小於110°C,或於短暫限定時間內可超過 110°C 但不得超過 150°C(詳見UL 8750 表格 SE4.1)。
符合UL8750 Class P(過熱保護型)LED Driver 將被認證為列名(UL Listed)產品,並可在不須考慮指定位置(Tc)的溫度前提及有限的條件下,允許和其他過熱保護型 LED 驅動器互換而無須再進行重新認證
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