Discontinued — No Longer Available New
This model has been discontinued by SDC. Shop current SDC products → or see the recommended alternatives below.
Sdc/Security Door Controls 631RFCR4 Power Supply
Overview
The Sdc/Security Door Controls 631RFCR4 is a 1.5A power supply unit designed to support multi-door access control installations. Rated for 24VDC output, this compact SM box form factor integrates with controller-based systems managing up to 63 doors and 250,000 user credentials. Suitable for facilities requiring distributed power delivery across networked access points.
Compatibility
Compatible with Sdc/Security Door Controls access control platforms supporting OSDP and TCP/IP communication protocols. Works with systems accommodating multiple credential types including DESFire, MIFARE, NFC (13.56MHz), and 125kHz Proximity readers. Designed as a supply component for larger multi-door deployments in commercial and institutional environments.