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components.
Overview
SKU:
491GL4
Condition:
New
Availability:
Usually ships in 24 hours
Warranty
Limited Lifetime Warranty
SDC/Security Door Controls 491GL4 Replacement Glass Plates
SDC/Security Door Controls 491GL4 Replacement Glass PlatesOverviewReplacement glass plates for the SDC 491GL4 access control system. These plates are …
SDC/Security Door Controls 491GL4 Replacement Glass Plates
$24.99
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Bundle Summary
Bundle Subtotal:
$0.00
Optional Add-Ons:
$0.00
Services:
$0.00
Total:
$0.00
Overview
SKU:
491GL4
Condition:
New
Availability:
Usually ships in 24 hours
Warranty
Limited Lifetime Warranty
Description
SDC/Security Door Controls 491GL4 Replacement Glass Plates
Overview
Replacement glass plates for the SDC 491GL4 access control system. These plates are designed as direct replacements for the controller's integrated reader interface. Suitable for facilities requiring component-level maintenance and refresh cycles in multi-door access control deployments.
Compatibility
Works with SDC 491GL4 controllers supporting 10-door capacity installations. Compatible with systems using proximity and keypad readers. Supports credential types including DESFire, MIFARE, NFC/13.56MHz, and 125kHz Prox. Integrates with OSDP-based access control networks.
Technical Specifications
Replacement component rated for 30VDC operation. Supports up to 250,000 user records on parent controller. Ideal for integrators maintaining legacy or multi-site SDC deployments requiring component replacement without full system upgrade.
Specifications
Product Type:
Controller
Communication:
OSDP
credential_type:
DESFire; MIFARE; NFC/13.56MHz; 125kHz Prox
door_capacity:
10 Door
max_users:
250000
reader_type:
Proximity; Keypad
Voltage:
30VDC
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