Schneider Electric 8903S002 Lighting Contactor

Schneider Electric's Square D 8903S002 Lighting Contactor is a Type S multipole device designed to switch high‑current lighting loads in commercial and industrial distribution panels. This 3‑pole contactor is rated for 100 A, making it suitable for controlling multiple lighting circuits or a single three‑phase feed in lighting applications. The 8903S002 variant features a 277 V AC control coil (Series A), intended for use with standard 277 V lighting control circuits common in commercial buildings. As part of the Type S family, it supports rugged operation in demanding environments and is designed for dependable, long‑life switching of lighting loads. Typical applications include large‑area lighting installations, office complexes, schools, and retail spaces where centralized control and reliable isolation of lighting circuits are required. When selecting or replacing this device, ensure the coil voltage and pole configuration match your control system, and verify mounting and termination methods with the official Schneider Electric specifications for 8903S002 to ensure proper fit and compatibility.