SDC 480-SFB Square Flush Recessed Access Control Box
Overview
The SDC 480-SFB is a flush-recessed controller enclosure designed for access control installations where you need a clean mounting profile without surface-mounted hardware drawing attention. This square box fits openings from 4.5" to 6" and recesses into the wall or door frame, keeping credential readers and control electronics out of sight. Weatherized construction protects internal components from moisture and dust, making it suitable for both indoor secured entries and covered outdoor vestibules. The integrated battery clip supports backup power for fail-safe or fail-secure operation during power loss—a critical requirement in most commercial access control deployments.
Compatibility
The 480-SFB mounts with standard access control readers and release mechanisms. It accommodates HID-based credential systems and integrates with TCP/IP networked access control platforms that support network-based door control and credential verification. Use this box when retrofitting existing door frames or installing new secured entries where flush mounting is preferred over surface-mounted cabinets. Check your specific reader and strike module dimensions against the 6.75" x 6.75" interior footprint and 2.125" depth to confirm clearance for your electronics stack.
Installation Notes
This enclosure is designed for in-wall or in-frame recessed mounting. Weatherized sealing requires proper frame preparation to prevent water intrusion at the edges. The battery clip is factory-installed; verify battery voltage compatibility with your selected backup power module before final assembly. Mounting hardware and rough-opening dimensions should be confirmed against the actual door frame or wall cavity thickness—the 2.125" depth is measured from the wall face to the back plate.
What's in the Box
- 1x SDC 480-SFB square recessed enclosure with battery clip