| 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。 Diecasted aluminiumalloy shell with plastic-sprayed surface. The transparent mark-plate can be chosen ＡＮＤmatched to user’s requirement. The electronic uminescence boardtype,uses special piezoelectricityeffect.under the normal,it hardly consume the fime it can last several hours inthe emergency meanwhile,need no maintenaince ＡＮＤreduce the operation cost use. Under the normal power-supplying condi tionm the inner nickel-cadmium canrecharge automatically,so that,the emergency lamp will tum _disibledevent="center">6.6 |