Square D 8903SMO2 Lighting Contactor

The Square D (Schneider Electric) 8903SMO2 Lighting Contactor is an electrically held, 3‑pole, 30 A device designed to automatically switch lighting circuits in commercial and industrial control systems. It features 3 normally open contacts (3NO), with coil voltages of 120 VAC 60 Hz or 110 VAC 50 Hz and a maximum operating voltage of 600 VAC, making it suitable for fluorescent, incandescent, resistive, and LED lighting loads (LED loads up to 16 A). The contactor uses box lug connections and open-type mounting for installation inside lighting control panels, energy management systems, and building automation equipment in offices, warehouses, factories, schools, and parking facilities. UL Listed and CSA Certified, it lists common replacements including Square D 8903SMO2V02, 8903SPO2V02, and 8903SMG2V02.