鑄鋁合金外殼，表面噴塑。透明標志牌可由用戶自由選配電子發光板式，采用特有的壓電效應，在正常工作時幾乎不耗電，應急時間在2小時以上，且免維護，降低了運行費用。內裝免維護鎳鎘電池組，在正常供電下自動充電，事故或停電時應急燈自動點亮。鋼管或電纜布線均可。符合GB12476，IEC62141要求。Diecastedaluminiumalloyshellwithplastic-sprayedsurface.Thetransparentmark-platecanbechosenmatchedtouser srequirement.Theelectronicuminescenceboardtype,usesspecialpiezoelectricityeffect.underthenormal,ithardlyconsumethefimeitcanlastseveralhoursintheemergencymeanwhile,neednomaintenaincereducetheoperationcostuse.Underthenormalpower-supplyingconditionmtheinnernickel-cadmiumcanrechargeautomatically,sothat,theemergencylampwilltumonautomaticallywhenthepowerlosebecauseofaccidentorpowerfailure.Suitableforbothsteelpipecablewiring.SuitableforGB12476,IEC61241standardrequest. 主要技術參數Maintechnicalparameters