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Overview
SKU:
491
Condition:
New
Availability:
Usually ships in 24 hours
Warranty
Limited Lifetime Warranty
SDC Security Door Controls 491 Blue Break Glass Emergency
SDC Security Door Controls 491 Blue Break Glass Emergency ControllerOverviewThe SDC 491 is an emergency-grade door controller designed for critical ac…
SDC Security Door Controls 491 Blue Break Glass Emergency
$145.99
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Overview
SKU:
491
Condition:
New
Availability:
Usually ships in 24 hours
Warranty
Limited Lifetime Warranty
Description
SDC Security Door Controls 491 Blue Break Glass Emergency Controller
Overview
The SDC 491 is an emergency-grade door controller designed for critical access control applications requiring immediate break-glass activation. This 10-door capacity controller operates at 30VDC and communicates via OSDP and TCP/IP, enabling seamless integration into IP-based security architectures. The blue break glass emergency function provides redundant override capability for emergency egress scenarios.
Compatibility
Supports multiple credential formats including DESFire, MIFARE, NFC at 13.56MHz, and 125kHz proximity cards. OSDP compliance ensures interoperability with certified readers and access control panels. TCP/IP connectivity allows network-based deployment in distributed multi-door environments without dedicated RS-485 runs.
Technical Specifications
- Door Capacity: 10 doors
- Communication: OSDP, TCP/IP
- Credential Support: DESFire, MIFARE, NFC/13.56MHz, 125kHz Prox
- Operating Voltage: 30VDC
- Emergency Function: Blue break glass activation
Specifications
Product Type:
Controller
Communication:
OSDP, TCP/IP
credential_type:
DESFire, MIFARE, NFC/13.56MHz, 125kHz Proximity
door_capacity:
10 doors
Reader_Type:
Multi-technology (DESFire, MIFARE, NFC, 125kHz Prox)
Voltage:
30VDC
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