Schneider Electric's Square D 8903SMG1A lighting contactor is a 30 A, 3-pole AC switch designed to control lighting circuits in commercial and industrial installations. It uses a 110–120 V AC coil rated for 50/60 Hz, allowing energization from standard control circuits. As part of the 8903 family, this contactor is intended for lighting applications where reliable, isolated switching of lighting loads is required.
