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Overview

SKU: 491-BB
Condition: New
Availability: Usually ships in 24 hours
Warranty Limited Lifetime Warranty
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SDC/Security Door Controls 491-BB Blue Surface Mount Box

SDC/Security Door Controls 491-BB Blue Surface Mount Box Overview The SDC 491-BB is a blue surface-mounted enclosure designed for the SDC 491 access c…

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SDC/Security Door Controls 491-BB Blue Surface Mount Box

$50.99

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Overview

SKU: 491-BB
Condition: New
Availability: Usually ships in 24 hours
Warranty Limited Lifetime Warranty
Description

SDC/Security Door Controls 491-BB Blue Surface Mount Box

Overview

The SDC 491-BB is a blue surface-mounted enclosure designed for the SDC 491 access control platform. This controller manages up to 4 doors and supports up to 250,000 user credentials, making it suitable for mid-scale deployments across commercial and institutional facilities. Operating at 30VDC, the unit integrates with HID-based credential systems and communicates via OSDP and TCP/IP protocols for secure, networked access control.

Compatibility

The 491-BB housing is engineered for installation with the SDC 491 controller platform. It supports HID credential readers and integrates into access control systems requiring OSDP or TCP/IP communication. The enclosure is appropriate for indoor surface-mount installation in secured entry points, server rooms, administrative areas, and multi-door access zones.

Specifications
Product Type: Controller
Communication: OSDP; TCP/IP
credential_type: HID
door_capacity: 4 Door
max_users: 250000
Voltage: 30VDC
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