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 634RF 4 AMP 12/24VDC Power Supply
Overview
The SDC 634RF is a 4 ampere power supply controller designed for door access control installations. Operating at 12/24VDC output, it provides centralized power distribution to OSDP-compatible readers and control devices in networked access systems. This unit bridges standard proximity and keypad readers with NFC/13.56MHz credential infrastructure, making it suitable for multi-reader deployments in medium-scale security integrations.
Compatibility
The 634RF supports OSDP communication protocol, ensuring compatibility with modern access control platforms and networked reader ecosystems. It accommodates proximity readers and keypad input devices while processing NFC/13.56MHz credentials, allowing flexible credential strategies across installation sites. Suitable for integrators deploying standardized door control systems across multiple facilities.