BY-Z2805U Square LED Emergency Downlight

The BY-Z2805U is an architectural-grade emergency luminaire often specified for modern commercial and residential projects that require a square aesthetic. Unlike its round counterpart (the BY-Z1805U), this model is designed for surface mounting, making it ideal for concrete ceilings or areas where recessed installation is not possible. Operating on a 36V DC bus for unified control via the MAF BY-350-DC36U panel. The unit provides 3 hours of emergency illumination and utilizes intelligent addressing to report its real-time status (battery health and LED functionality) back to the central controller.