... 3836.2,GB 3836.3,GB 3836.9,IEC60079-0,IEC60079-1 2 Explosion protection: ExdembIICT4 3 Rated voltage ... Rated power: 50W, 70W, 100W 7 Power factor:>0.9 8 Color temperature:5500K 9 CRI:Ra>70 ... of each tube is 3~3.5V,current is 0.35~1A ,quick response to ensure high frequency operated ... of being burn out,heat deposit, lighting weakening etc.LED lighting sources with advantages of small volume, light weight, ...