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SDC products

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    SDC 482O1U Narrow Push Plate SPDT Controller
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    SDC 482O1U

    SDC 482O1U Narrow Push Plate SPDT Controller

    Multi-door narrow push plate controller, 63 doors, 250K credentials

    • SPDT momentary contact rated at 28VDC/1A drives strikes, maglocks, or relay circuits.
    • Supports up to 63 doors and 250,000 credentials across multi-panel deployments.
    • 4.5" × 11.5" 18-gauge stainless faceplate fits narrow vestibules; recessed, surface, or bollard mount.
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    SDC Security Door Controls 482B4U 4.5 Square Push Plate
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    SDC 482B4U

    SDC Security Door Controls 482B4U 4.5 Square Push Plate

    4.5" push plate controller for up to 63 doors with multi-credential support

    • SPDT momentary contact rated 2A @ 28VDC suits direct strike solenoid circuit design.
    • Mounts recessed, surface box, or bollard to fit existing frame depths at 7/8" mount depth.
    • 18-gauge stainless steel faceplate matches standard double-gang rough-ins for ADA doorways.
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    $157.00 $156.99 Save $0.01
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    SDC 482A6RU Round Push Plate Switch SPDT Controller
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    SDC 482A6RU

    SDC 482A6RU Round Push Plate Switch SPDT Controller

    28VDC round push plate controller for up to 63 doors and 250K users

    • 6-inch round stainless push plate, 2A @ 28VDC
    • Momentary SPDT contact for door strike control
    • Stainless steel face resists vandalism and impact
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    $145.00 $144.99 Save $0.01
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    SDC 482A4U Square Push Plate Switch SPDT Controller
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    SDC 482A4U

    SDC 482A4U Square Push Plate Switch SPDT Controller

    Wired 28VDC controller for up to 63 doors with OSDP + TCP/IP

    • Manages up to 63 doors and 250,000 credentials from a single wired controller.
    • OSDP + TCP/IP support enables vendor-neutral integration with existing security platforms.
    • Accepts DESFire, MIFARE, NFC, and 125kHz prox cards on a single 28VDC device.
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    $116.00 $115.99 Save $0.01
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  • Save $47.01
    SDC 482A4RU Round Handicap Push Switch Controller
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    SDC 482A4RU

    SDC 482A4RU Round Handicap Push Switch Controller

    Multi-credential controller for up to 63 doors, 250K users

    • 28VDC SPDT dry-contact closure triggers any strike, mag lock, or solenoid output.
    • Recessed or surface-mount depth fits door frames, standard electrical boxes, or bollards.
    • Polarity-independent 24 AWG wiring connects directly to existing strike controller inputs.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $116.00 $68.99 Save $47.01
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    SDC 482A2U Single Gang Push Plate Access Control Switch
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    SDC 482A2U

    SDC 482A2U Single Gang Push Plate Access Control Switch

    63-door controller with 250K credentials and multi-card support

    • Controls up to 63 doors from a single wired controller, reducing infrastructure sprawl.
    • Stores 250,000 user credentials — handles large campuses without hitting capacity limits.
    • Accepts DESFire, MIFARE, NFC, and 125kHz Prox on one reader ecosystem via OSDP/TCP-IP.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $196.00 $195.99 Save $0.01
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    SDC 480-SFB Square Flush Recessed Access Control Box
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    SDC 480-SFB

    SDC 480-SFB Square Flush Recessed Access Control Box

    Square flush recessed controller for HID access control over TCP/IP

    • Recesses into 4.5"–6" openings for a clean, low-profile install in walls or frames.
    • Integrated battery clip maintains fail-safe or fail-secure operation during power loss.
    • Weatherized construction and TCP/IP connectivity suit covered outdoor vestibule deployments.
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    SDC/Security Door Controls 480-2SB Surface Mount Box
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    SDC 480-2SB

    SDC/Security Door Controls 480-2SB Surface Mount Box

    Surface-mount controller box for TCP/IP networked door access

    • TCP/IP connectivity enables integration into networked, centralized access control systems.
    • Single-gang surface-mount form factor installs directly to wall or door frame with standard fasteners.
    • HID card and proximity reader compatibility fits standard enterprise credential infrastructure.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $72.00 $71.99 Save $0.01
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    SDC/Security Door Controls 480-1SB Narrow Mullion Surface Box
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    SDC 480-1SB

    SDC/Security Door Controls 480-1SB Narrow Mullion Surface Box

    Narrow mullion surface controller with TCP/IP and HID support

    • Narrow mullion profile fits constrained frame widths where standard wide-body boxes won't seat.
    • TCP/IP connectivity integrates directly into networked access control infrastructure.
    • HID credential support enables drop-in compatibility with existing HID-based reader deployments.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $36.00 $35.99 Save $0.01
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  • Save $35.01
    SDC 474U Touchless Exit Switch Controller
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    SDC 474U

    SDC 474U Touchless Exit Switch Controller

    Wired touchless controller with NFC, proximity, and keypad for OSDP systems

    • 24VDC wired operation eliminates batteries and draws power directly from the access panel.
    • OSDP protocol ensures compatibility with Salto, Genetec, Lenel, Kantech, and Vanderbilt systems.
    • Reads NFC/13.56 MHz cards and PIN keypad entry, supporting multi-modal credential deployment.
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    SDC 474MU Touchless Sense Switch Exit Controller
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    SDC 474MU

    SDC 474MU Touchless Sense Switch Exit Controller

    Network controller for up to 10 doors with touchless exit and multi-credential support

    • Wave-to-open IR sensor triggers SPDT contact closure at 2–7 in. read range.
    • Runs on 12–24VDC ±10%, integrating with legacy and standard door control supplies.
    • Drives electric strikes, mag-locks, or door operators directly—no network required.
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    $242.00 $147.99 Save $94.01
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  • Save $61.01
    SDC/Security Door Controls 474DU Double Gang Touchless Exit
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    SDC 474DU

    SDC/Security Door Controls 474DU Double Gang Touchless Exit

    Double-gang touchless exit with NFC/keypad and OSDP protocol

    • Hands-free IR sensor triggers door release at 2–7 inches, eliminating touchpoints.
    • SPDT relay (3A/30VDC) drives strikes, maglocks, or auto operators via dry contact.
    • Runs on 12–24VDC ±10% at 36–45 mA, fitting existing access control power loops.
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    $158.00 $96.99 Save $61.01
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  • Save $194.01
    SDC 45F-4SU Electric Strike 4-Door 12/24VDC
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    SDC 45F-4SU

    SDC 45F-4SU Electric Strike 4-Door 12/24VDC

    4-door electric strike with OSDP/TCP/IP for networked access control

    • Controls 4 independent strike outputs from one unit, cutting panel count by 75%.
    • Native OSDP and TCP/IP eliminate gateway middleware for faster, lower-risk deployment.
    • Dual 12/24VDC input and 250,000 user capacity suit large mixed-voltage facilities.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $472.00 $277.99 Save $194.01
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  • Save $86.01
    SDC 45-A Electric Strike 24VDC Access Control
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    SDC 45-A

    SDC 45-A Electric Strike 24VDC Access Control

    24VDC electric strike for HID access control with fail-safe/secure modes

    • Runs on 24VDC, dropping cleanly into existing access control power architectures.
    • Native HID compatibility eliminates gateway hardware in credential-based deployments.
    • Field-configurable fail-safe or fail-secure mode to match code and risk requirements.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $222.00 $135.99 Save $86.01
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    SDC 45-7RV Dual-Voltage Electric Strike
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    SDC 45-7RV

    SDC 45-7RV Dual-Voltage Electric Strike

    Networked electric strike with dual-voltage operation for retrofit and new builds

    • Dual-voltage 12/24VDC input eliminates stocking separate strike variants per site.
    • TCP/IP connectivity integrates directly into IP access control platforms without relay modules.
    • HID credential compatibility confirmed; lifetime warranty reduces long-term replacement risk.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $209.00 $123.99 Save $85.01
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    SDC 45-4RVRMB Electric Strike 12/24 VDC
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    SDC 45-4RVRMB

    SDC 45-4RVRMB Electric Strike 12/24 VDC

    Electric strike for HID reader systems, 12/24 VDC wired TCP/IP

    • 12/24 VDC field-selectable on-site eliminates dual-SKU inventory across multi-site deployments.
    • Non-handed mount with four interchangeable faceplates cuts retrofit labor on mismatched jambs.
    • Built-in LS and KS status outputs feed real-time door state to your access control panel.
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    $244.00 $143.99 Save $100.01
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  • Save $79.01
    SDC 45-4RV Electric Strike 12/24VDC
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    SDC 45-4RV

    SDC 45-4RV Electric Strike 12/24VDC

    Networked electric strike for HID access control at 12/24VDC

    • 12/24VDC field-selectable via jumper — one SKU covers legacy and modern AC panels.
    • Non-handed faceplate with ±1/4" jamb tolerance cuts installation rework on mixed swing doors.
    • Failsafe/failsecure set by dip switch; LS and KS monitoring outputs included standard.
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    $194.00 $114.99 Save $79.01
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    SDC Security Door Controls 451V Vandal Resistant Push Switch
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    SDC 451V

    SDC Security Door Controls 451V Vandal Resistant Push Switch

    Vandal-resistant 10-door controller with encrypted OSDP for secure access

    • Manages 10 doors and 250,000 credentials from a single 30VDC controller.
    • Encrypted OSDP secures tamper-alarm and credential traffic end-to-end.
    • Supports DESFire, MIFARE, NFC, and 125kHz prox—no mixed-protocol readers needed.
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    $190.00 $111.99 Save $78.01
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  • Save $61.01
    SDC 446UG DPST Green Mushroom Switch Controller
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    SDC 446UG

    SDC 446UG DPST Green Mushroom Switch Controller

    DPST controller with NFC/proximity/keypad for 24VDC access systems

    • OSDP encryption eliminates plain-text credential exposure across all three reader types.
    • NFC, proximity, and keypad inputs on one 24VDC unit reduce wiring runs and panel space.
    • DPST switching controls strike release and status feedback circuits simultaneously.
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    SDC/Security Door Controls 446UB Single Gang Momentary Controller
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    SDC 446UB

    SDC 446UB Momentary Controller

    Single gang OSDP controller for NFC and keypad readers on 24VDC

    • OSDP protocol support enables credential-less REX activation in modern and legacy systems.
    • DPST 6A/30VDC contacts drive solenoids or relay coils directly—no intermediate relay needed.
    • 24VDC wired operation with zero idle current draw simplifies panel power budgeting.
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