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The SDC - SECURITY DOOR CONTROLS S4208FU36REEK is an electromagnetic door lock with integrated request-to-exit (REX) and electric latch retraction functionality, designed for fire-rated door applications. This unit is finished in 630 (satin stainless) and is sized for 36-inch door configurations. It is used in access control systems where fail-safe operation and fire code compliance are required. Licensed electricians and security hardware installers are the primary trades that specify and install this device. The REX and electric latch retraction functions allow door-release sequencing that meets egress and fire code requirements.
This electromagnetic lock is intended for commercial access control applications on fire-rated openings, particularly where request-to-exit sensing and electric latch retraction are needed at a single hardware point. The 630 satin stainless finish suits stainless-heavy door frames common in healthcare, institutional, and high-traffic commercial environments. The 36-inch configuration makes it appropriate for standard single-door egress points in those settings.
Designed as an OEM-style electromagnetic lock for commercial fire-rated door openings requiring integrated REX and electric latch retraction in a 36-inch door configuration.
Installation should be performed by a licensed electrician or certified security hardware technician familiar with access control systems and local fire code requirements. Disconnect all power to the access control circuit before beginning installation or wiring work. Verify that the door frame and hardware are rated for the intended fire-door application and that the installation meets applicable codes including NFPA 80 and local AHJ requirements. Do not bypass or defeat the REX or ELR functions during testing or commissioning.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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