SDC KSA-1511ST /Security Door Controls KSA-1511ST Key Switch Assembly
SDC KSA-1511ST /Security Door Controls KSA-1511ST Key Switch Assembly
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Overview

SKU: KSA-1511ST
Condition: New
Availability: Usually ships in 24 hours
Warranty Limited Lifetime Warranty
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SDC

SDC/Security Door Controls KSA-1511ST Key Switch Assembly

Discontinued — No Longer Available NewThis model has been discontinued by SDC. Shop current SDC products → or see the recommended alternatives be…

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SDC/Security Door Controls KSA-1511ST Key Switch Assembly

$49.99
$47.99
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Overview

SKU: KSA-1511ST
Condition: New
Availability: Usually ships in 24 hours
Warranty Limited Lifetime Warranty

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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.

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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 KSA-1511ST Key Switch Assembly

Overview

The SDC KSA-1511ST is a dedicated key switch assembly controller designed for multi-door access control installations. This controller manages up to 4 doors with HID credential support, making it suitable for integrators deploying hybrid or legacy key-based systems alongside modern card readers. The unit supports 250,000 user records, providing scalability for enterprise and mid-market deployments.

Communication & Credentials

Operates via OSDP and TCP/IP protocols, enabling integration with standard access control management platforms. HID credential compatibility ensures seamless operation with existing HID reader ecosystems.

Capacity & Scale

4-door capacity with 250,000 maximum user support accommodates growth without controller replacement. Suitable for office buildings, multi-tenant facilities, and secured perimeter applications.

Integration

Installs in standard rack or cabinet configurations. Compatible with existing SDC/Security Door Controls system architectures and third-party OSDP-compliant platforms.

Expert Analysis
Specifications
Product Type: Controller
Communication: OSDP; TCP/IP
Door Capacity: 4 Door
Type: Controller
Doors Supported: 4 Door
Credential Type: HID
Max Users: 250000
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