A U-shaped high quality flash tube designed for usein warning & alarm beacons. Flash rates up to 100 flashes per minute are possible at high energy. At lower energies the life of the tube will be considerably extended. Specifications Minimum anode voltage 250 V Maximum anode voltage 500 V Nominal anode voltage 400 V Maximum energy input per flash 45W second Maximum flash rate atmaximum input power 100min Life with max energy andmax flash rate 2 million flashes Minimum trigger voltage 6k V Diameter of tube 6mm Width of whole unit 22mm Length of unitexcl. glass seal 53mm plus 40mm pins