The ROFU 8512-DE-KIT Delayed Egress Magnetic Lock Assembly is designed to comply with the NFPA 101 Life Safety Code. This delayed egress locking system’s principal application is for secure locking and delayed release of perimeter and emergency exit doors. The ROFU 8512-DE-KIT electromagnetic lock is a self-contained, standalone unit that uses existing door exit and latching hardware, and all electronics are built into the magnet’s wiring compartment for ease of installation.