弗吉尼亞Rosslyn消息，美國電氣制造商協會（NEMA）宣布重新審定FU1-2002低壓管狀熔絲規范。 FU 1-2002 （R2007）涉及了八個層次的低壓管狀熔絲，在熔絲內部都有電流響應元素，兩端都有連接端，額定電壓小于等于600伏，交互電流，直流電。八個層次的熔絲為G, H, J, K, L, R, T,和CC。這個標準包括定義的更新，額定電壓和中斷級別以及傳送的電流和增溫測試。 電子稿可以免費下載，打印件可登錄NEMA的網站www.nema.org/stds/fu1.cfm 進行購買，價格為68美元，或是撥打電話：800-854-7179（美國國內），303-397-7956（國際電話）。或發傳真至：303-397-2740，或登錄網http://global.ihs.com。 NEMA是美國電氣工業制造商協會的簡稱，成立于1926年，總部位于華盛頓附近，現約有450名會員公司，制造的產品應用的領域有：生產，傳送和分配，控制及電氣的終端使用。這些產品可應用的行業有：公用設施，醫療成像，工業，商業，制度上用和居民應用。美國國內生產的電氣產品出銷到國外的超過1200億美元。除位于弗吉尼亞Rosslyn的總部外，NEMA在北京，圣保羅和墨西哥市都有辦事處。 [font=times]original text [/font] [font=times][color=#708090]Rosslyn, Va.—The National Electrical Manufacturers Association （NEMA） has reaffirmed FU 1-2002 Low Voltage Cartridge Fuses. FU 1-2002 （R2007） covers eight classes of low voltage cartridge fuses — fuses consisting of a current responsive element inside a fuse body with contacts on both ends — rated 600 volts or less, alternating current, and direct current. The eight classes of fuses covered are G, H, J, K, L, R, T, and CC. This standard includes updates to the definitions, voltage rating and interrupting rating tables, and the current carrying and temperature rise tests. An electronic copy may be downloaded at no charge, or a hard copy purchased for $68 by visiting NEMA’s Web site at www.nema.org/stds/fu1.cfm, or by contacting IHS at 800-854-7179 （within the U.S.）, 303-397-7956 （international）, 303-397-2740 （fax）, or on the Web athttp://global.ihs.com. NEMA is the trade association of choice for the electrical manufacturing industry. Founded in 1926 and headquartered near Washington, D.C., its approximately 450 member companies manufacture products used in the generation, transmission and distribution, control, and end-use of electricity. These products are used in utility, medical imaging, industrial, commercial, institutional, and residential applications. Domestic production of electrical products sold worldwide exceeds $120 billion. In addition to its headquarters in Rosslyn, Virginia, NEMA also has offices in Beijing, São Paulo, and Mexico City.[/color][/font]