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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Description

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.

Specifications
Product Type: Controller
Communication: OSDP; TCP/IP
Door Capacity: 63 Door
Voltage: 24VDC
Type: Controller
Input Voltage: 24VDC
Doors Supported: 63 Door
Credential Type: DESFire; MIFARE; NFC/13.56MHz; 125kHz Prox
Max Users: 250000
eol: true
Q&A
Reviews

Sdc/Security Door Controls 631RFCR4 1.5A Power Supply

$428.99
$409.99

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System Design, Deployment & Technical Support

Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.

Fixed scope • Fixed price

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  • Get help validating product compatibility
  • Coverage requirements
  • Storage planning and deployment architecture before you buy.
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Deployment & Configuration Support

  • Access fixed-scope support for rollout planning
  • User setup guidance
  • Migration and system standardization across single-site or multi-site deployments
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Guides, Tools & Calculators

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