The 585-5525 is a T-3 1/4 based LED cluster replacement lamp with bayonet base designed to replace incandescent lamps such as 44, 47, 313, 755, 757, 1815, 1819, 1847, 1866, 1889, 1891, 1892, 1893, and 1895. This LED lamp operates at a nominal voltage of 28V DC with a forward current of 20 mA typical and delivers a peak wavelength of 525 nm in the yellow spectrum. The lamp provides a minimum intensity of 133 mcd and typical intensity of 490 mcd, offering reliable illumination for indicator and signaling applications. Its bayonet base design ensures easy installation and compatibility with existing incandescent lamp fixtures, making it an ideal energy-efficient replacement for industrial control panels, instrumentation, and signaling systems.