Descriptions for series ND16-22CS:1.1 Certificates: UL, CE;1.2 Electric ratings: (Optional AC50/60Hz AC380V; DC220V);1.3 Protection degree: IP65;1.4 Standard: IEC60947-5-1.2. Type ND16-22CS/4 yellow 3. Operating Conditions3.1 The ambient temperature is -5 ~+40 °С, average value in 24 hours could not exceed +35 °С , and the relative humidity is <90%;3.2 Altitude: <2000m;3.3 Pollution grade: <3;3.4 Mounting category: III4. Technical Data4.1 Basic parametersRated operational voltage(V):220VACRated operational current(mA): <20Service life(h): >30000Brightness (cd/m2): >605. WiringND16-22: cross section area is 0.5mm ~2.5 mm , at most 2 pcs of leads can be connected;6. GREENShape and dimensions: