Sylvania MB1x96 277 IS Magnetic Ballast

Sylvania MB1x96 277IS Magnetic Ballast is a single-lamp, 277‑volt instant-start ballast designed for 96‑inch fluorescent fixtures. The MB1X96/277IS-SRNK designation identifies a 1‑lamp, 277‑V IS ballast packaged in shrink-wrapped SRNK for straightforward installation. As a magnetic ballast, it provides ignition and current regulation for a single lamp on 277 VAC circuits, a common configuration in commercial lighting installations such as offices, retail spaces, and warehouses that rely on long 96‑inch luminaires. The SRNK packaging indicates a factory-sealed unit ready for mounting inside compatible fixtures. This ballast belongs to Sylvania’s MB1x96 family and is designed for use in 277 VAC systems that power one-lamp luminaires. For exact lamp compatibility, wiring diagrams, and installation instructions, consult the official Sylvania/LEDVANCE documentation for MB1X96/277IS-SRNK.