Schneider Electric 9001 KM-25 Indicator Light Module

The Square D Schneider Electric 9001KM25 is a 30 mm incandescent light module (indicator block) for Square D 9001K/Harmony control units, designed to illuminate the operator when the associated circuit is energized. This resistor-type light module is rated for 240 VAC/VDC with a 6 VA load and uses a BA9S incandescent lamp; replacement lamp is SYL120PSB. It mounts in 30 mm push-button assemblies and uses screw-terminal connections, delivering IP20 protection across a -25 to 70 C operating range. Certifications include UL 508, CSA C22.2 No 14, EN/IEC 60947-1, EN/IEC 60947-5-1, EN/IEC 60947-5-4, and JIS C 4520/C 852; weight is about 0.11 lb per unit, typically sold single-pack. The KM25 light module is part of the Harmony 9001K family and is commonly used to indicate status on industrial control panels.