铸铝合金外壳,表面喷塑。透明标志牌可由用户自由选配电子发光板式,采用特有的压电效应,在正常工作时几乎不耗电,应急时间在2小时以上,且免维护,降低了运行费用。内装免维护镍镉电池组,在正常供电下自动充电,事故或停电时应急灯自动点亮。钢管或电缆布线均可。符合GB12476,IEC62141要求。Diecastedaluminiumalloyshellwithplastic-sprayedsurface.Thetransparentmark-platecanbechosenmatchedtouser srequirement.Theelectronicuminescenceboardtype,usesspecialpiezoelectricityeffect.underthenormal,ithardlyconsumethefimeitcanlastseveralhoursintheemergencymeanwhile,neednomaintenaincereducetheoperationcostuse.Underthenormalpower-supplyingconditionmtheinnernickel-cadmiumcanrechargeautomatically,sothat,theemergencylampwilltumonautomaticallywhenthepowerlosebecauseofaccidentorpowerfailure.Suitableforbothsteelpipecablewiring.SuitableforGB12476,IEC61241standardrequest. 主要技术参数Maintechnicalparameters