... ,3-2000 ,IEC60079 standard request. TOP explosion-proof incandescentApplication1.Used in Zone 1 and Zone 2 dangerous place and IIA,IIB groups ... up and convenient for maintenance.Conduit wiring Suitable for GB3836.1,2,3-2000 ,IEC60079 standard request.Main technical parametersType ProtectiongradeCable ... (V)220Rated power(W)250300175,250150,250175,250 TOP explosion-proof incandescent