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2011年12月 (第206期)
一、加拿大NRcan 最新的外接式電源(EPS)的最低能源效率(MEPS)公告實施日期
加拿大政府在2011年10月正式公告已經將外接式電源(EPS)的最低能源效率(MEPS)納入Energy Efficiency Regulations的規範範圍,並且將於2012年4月生效,屆時所有加拿大或是進口到加拿大的外接式電源(EPS)都需要符合相關要求。以下為符合外接式電源(EPS)定義的圖例。
技術要求如下表,與目前美國能源部(DOE)對於外接式電源(EPS)的最低能源效率(MEPS)的要求相同,相當於Energy Star Level IV 的要求。
與目前外接式電源廠商宣告符合DOE,ErP,CEC等方式,最大的不同點如下:
- 需要由加拿大Standards Council of Canada 認可機構執行測試並出具報告。 UL,TUV/Rh 或是ITS都是認可的發證單位。以下是UL的標誌範例。
- 當成維修品的外接式電源可以採用例外條款,延至2013年7月符合以上要求。
- 搭配保全、監視系統或防竊產品的外接式電源可以採用例外條款,不用符合以上待機消耗公率的要求,以上要求對於該類產品可遞延到2017年7月生效。
- 詳細要求請見以下NRCan官方網址
http://oee.nrcan.gc.ca/regulations/amendment11/external-power-supplies-oct2011.cfm
二、網通產品申請美國UL60950-1章節 6.4要求釋疑
附有xDSL功能或連接到戶外線路的網通類產品如下圖示,申請美規標準UL60950-1的認証與歐規EN60950-1其中一個很大的差異就是章節6.4的要求。
UL60950-1章節6.4的要求可以條例說明如下:
1. 基本上章節6.4 的要求可以濃縮為以下圖表
2. 以上圖表中的紅色、藍色與綠色路徑,分別代表三種可以符合要求的做法。
- 紅色:採用符合規格的保護器,但該類型的保護器不好找。
- 藍色:採用26AWG的線材,且外殼需要符合Fire Enclosure與SPACING的要求。
- 綠色:做OverVoltage 測試
藍色對策要特別注意以下事項
a. Fire Enclosure:材料 V-1 等級以上,而且符合開孔要求。
b. Fire Enclosure Opening:底部不能開孔等要求,詳見章節4.6要求。
3. 若只申請歐洲國家,沒有以上要求。
三、RECESSED LUMINAIRES (室內輕鋼架或崁燈如下圖) 申請UL1598,必須注意燈具上開孔的要求。
若產品定義為Type IC (Insulation Contact),任何長條開孔最大寬度不可超過4.8 mm,並且任何型式的開孔也不能被直徑6.4 mm的探棒深入,個別開孔區域不可超過10 cm2的區域,總開孔面積不可超過該面積的15%。
A recessed housing of a Type IC luminaire that does not serve as an enclosure may have open holes in the shape of a slot or louvre that shall be a maximum 4.8 mm (0.188 in) wide and 10 cm2 (1.5 in2) in area. Any other open hole shall not allow passage of a rod having a diameter of 6.4 mm (0.25 in) and shall not exceed 10 cm2 (1.5 in2) in area. The total area of all open holes shall be a maximum of 15 percent of the area of the opening in the mounting surface closed off by the recessed housing.
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