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The SDC Security Door Controls S4203PU36RESP is a silver-finish panic exit device with integrated request-to-exit (REX) and electric latch retraction functionality, sized for 36-inch door applications. Designed for commercial access control systems, this device combines a traditional panic bar mechanism with low-voltage electrical components that allow remote release and exit monitoring. Licensed security hardware installers and commercial locksmiths typically deploy this unit in doors requiring both life-safety egress compliance and electronic access control integration. The 630 finish designation indicates a satin stainless appearance suitable for institutional and commercial environments.
This panic exit device is intended for commercial door openings where both mechanical panic egress and electronic latch control are required. Typical installations include office corridors, school hallways, and institutional facilities where doors must allow free egress in an emergency while also supporting card reader or push-button REX triggers for controlled entry. The integrated REX sensor signals the access control panel when the bar is depressed, suppressing false alarms at the door controller during normal egress activity.
Designed as an OEM-style replacement or new-installation panic exit device for commercial doors requiring integrated REX and electric latch retraction in a 36-inch configuration.
Installation should be performed by a licensed commercial door hardware technician or security hardware professional familiar with applicable life-safety codes including IBC egress requirements. Disconnect and lock out all low-voltage wiring circuits at the access control panel before servicing or replacing the electric latch components. Verify door prep dimensions and backset requirements against the door frame before mounting. Do not bypass the REX output connection, as this may cause nuisance alarms at the access control head-end.
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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