Binay Opto Electronics Private Ltd. Manufactures Crane Power Indicator with Limited Visibility. Binay Opto Electronics Private Ltd also offers LED based pilot lights, aviation obstruction lights, alarm lights, etc. Crane Power Indicator with Limited Visibility or Panel Type provides greater axial visibility on the sides. It consists of three LED Matrix Annunciator windows [each of size 96mm x 96mm] in different colours [such as RYB or RYG] as light sources. The life of such units is 11 years continuous burning. It comes with the dimensions of 69cm [Height] x 14cm [Width] x 36cm [depth at the maximum point]. Power connections are made to four input terminals [one common neutral, and three phase lines] mounted at the base of the unit [If desired, three MCB units can also be provided in-stead]. These units can be supplied in 110V, 240V or 415 volts AC; or 220V or 440V 3-wire DC. A low voltage glow protection [LVGP] circuit can also be incorporated, if desired, to prevent the LEDs from giving a false indication at leakage input voltages.