Altos electronics offersmanufactures filamentless bulbs and solid state indicating lamps. These led based indicators are applied in mainly used on controlling panels for providing pilot indications. These solid state indicating lampsy are unbreakable, immune to vibrations, immune to voltage variations and consume negligible power. The life of these bulbs and indicating lamps is guaranteed for 100,000 hours continuous and these solid state indicating lamps arehence very economical as the life of these bulbs and indicating lamps is guaranteed for 100,000 hours continuous. The indicators of these solid state indicating lamps are available in red, green, amber and yellow colours and can be installed in standard cutouts of 16 mm, 22.5 mm dia, 30.2 mm dia. Different rated voltage in which these lamps are available; these indicators are available for rated voltage of 220 v ac and dc, 110 v ac and dc, 48 v, 12 v, 6 v ac/ dc and the operating range is 30% to 25% of rated voltage. These indicators are tested and certified by ministry of defence and doe for the performance.
