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2019年7月 (第297期)
一、 CE電器安全法規標準EN62368-1 3rd.Edition延後到2020年9月
負責制定公告發行EN62368-1 3rd Edition的執行單位CENELEC TC108X公告以下資料,對應國際標準IEC62368-1: 2018(3rd Edition)的歐洲標準EN62368-1 3rd Edition 預計要延遲到2020年Q2之後,據悉是審核該準的上級單位HAC 對標準提出多條意見所致。
ILL. 1 CENELEC TC108X EN62368-1 3rd. Edtion DOR/DAV/DOA Note 1
如上所述對於已經公告的IEC62368-1 3rd Edition,受限於歐規與美規對應的標準紛紛傳出發行日期延後的消息,導致目前IEC 62368-1 3rd Edition 沒有任何對應的國家差異(National Difference),也使該版本的CB用途受限,沒有實際的轉證用途。
建議影音資訊類產品製造商,應該盡早規畫產品申請IEC/UL/EN62368-1:2014,避免產品在規定期限內(2020年12月6日)還沒有符合標準,蒙受不必要的損失。
Note 1: 以上資料出處
二、 系統產品申請UL 62368-1的UL/cUL認證,搭配非UL的NRTL認證UL 62368-1或 UL60950-1的external/internal Power,需要符合以下要求
需要提供NRTL認證報告/證書審查(內容要有標準版本/重要零件列表/測試項目與結果),如果power supply的變壓器沒有列管絕緣系統認證,除了管控Power Supply的廠家/型號/技術規格也額外要求將變壓器結構和符合要求的絕緣系統認證材料列出管控在UL報告內,後續UL進行廠檢時會一併進行查核。
三、 電源供應器申請IEC 62368-1 3rd 對於電源開關之要求
一般在設計電源供應器時,會因系統應用要求又或電源供應器本身的功能需求,而必需在AC輸入電路端加裝電源開關。
因為AC輸入電源在IEC 62368-1 3rd 是歸類為PS3等級,安裝在這個位置的電源開關依據IEC 62368-1 3rd 的章節G.1.2,電源開關必須符合IEC 61058-1:2016的認證,而且認證證書內容要有符合10000 operating cycles和850℃的Glow-wire測試等要求,另外開關的Pollution Degree等級也要和電源供應器的Pollution Degree等級一致。
因此建議電源供應器製造商在採用開關零件時,先請供應商確認證書是否符合上述要求,以避免臨時更換料的問題。
四、 高耗電功率產品(1500W以上)申請美規UL認證,應注意NFPA70對斷路器規格(Circuit Breaker)的要求
依據NFPA70(National Electrical Code)要求,電匠配電拉線應該要注意斷路器(Circuit Breaker)、電線(AWG)、插座與插頭應該要預留125%額定電流規格給後端的電器產品使用,避免過載造成火災危險。
從電器產品的角度來說,可以解釋為高消耗功率零件類電器產品如高功率電源供應器(1500W或以上),在不確定產品會搭配何種插頭與插座下(也就不知道斷路器規格),需要使用安裝手冊上說明產品的消耗功率與適切(>125%額定值)的斷路器規格(Circuit Breaker)。
鼎安除了備有3相電源外,也對應準備32A斷路器(Circuit Breaker),服務台灣精益求精的製造商。
ILL. 2 零件類高功率半成品
ILL. 3 32A Circuit Breaker
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