Allen-Bradley 9001KM38 Pushbutton Operator Lamp Module

9001KM38 is a 30 mm light module designed to mount with Schneider Electric Harmony pushbuttons (types K, SK or KX) to provide integrated illumination for the operator. It is offered in incandescent‑bulb form for 120 V AC operation and in LED variants such as 9001KM38LW (white LED, 120 VAC/VDC), 9001KM38LR (red LED) and 9001KM38LY (yellow LED), enabling color‑coded status indication on control panels. LED versions typically use a BA9S‑base lamp and are rated for 120 V operation, making them suitable for panel‑mounted indicators in industrial environments. By replacing only the lamp module, technicians can refresh the indicator lighting without changing the entire pushbutton assembly, while preserving the original ergonomics and mounting footprint of the 30 mm 9001K family. This light module is part of Schneider Electric’s Harmony 9001K/S/KX ecosystem, allowing straightforward integration into existing 30 mm pushbutton circuits and applications such as machine start/stop signaling, run/fault indicators, and status lights in control panels.