Schneider Electric 8903S002 Lighting Contactor

Schneider Electric’s Square D 8903S002 Lighting Contactor is a 100 A, 3‑pole electromagnetic switch designed for high‑load lighting control in commercial and industrial panels. This Series A model uses a 277 VAC coil (60 Hz), enabling reliable energization from standard building lighting controls while delivering solid make/break performance across three current paths. As part of the Type S multipole lighting contactor family, the 8903S002 is purpose‑built for lighting applications, providing dependable switching of lighting loads in environments where long‑term operation and predictable behavior are essential. With its 3‑pole configuration, it can switch multiple lighting circuits or three‑phase lighting banks, making it a common choice for large luminaires, commercial interiors, and other spaces that require solid, code‑compliant load control. The 8903S002 variant represents the 100 A, 3‑pole configuration within Schneider Electric’s Square D lineup, a long‑standing solution for lighting control in industrial and commercial electrical systems.