Siemens 52BL4L2 W 52AAIL2 Red Pilot Light 24V

Siemens 52BL4L2 is a 30 mm BlackMax illuminated pilot light with a red LED lens, designed for panel mounting in industrial control enclosures. This complete metal unit features an epoxy-coated housing and a plastic red lens, and it operates from 24 V AC/DC to provide a clear status indication when energized. It is UL Listed, CSA Certified, and rated for use in challenging environments (NEMA 1, 3, 3R, 4, 4X, 12, 13), making it suitable for machinery, panels, and control cabinets in demanding applications. As part of Siemens’ line of 52-series indicator lights, it serves as a visible signal for machine states such as run, fault, or standby within panels where space is at a premium. The 52AAIL2 component referenced with this product is a red LED light module accessory, rated for 24 V, described as an accessory for CL52 30 mm light modules, enabling LED illumination with Siemens’ compatible footprint. In practice, this combination yields a compact, robust signaling solution for panel-mounted control applications that require reliable LED indication in industrial environments.