Door Controllers

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  • Kantech P225W26 ioProx Mullion Reader
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    Kantech

    SKU: P225W26

    Kantech P225W26 ioProx Mullion Reader

    26-bit Wiegand mullion reader for door-frame proximity access

    • ioProx mullion reader with 26-bit Wiegand output
    • Compact 4.5 x 1.75 in profile fits narrow frames
    • Direct integration with Kantech KT-series panels
    $298.00 $196.99 Save $101.01
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  • Kantech P225W26OEM ioProx Reader Module

    Kantech

    SKU: P225W26OEM

    Kantech P225W26OEM ioProx Reader Module

    Compact ioProx reader module with 26-bit Wiegand for OEM integration

    • ioProx reader module with 26-bit Wiegand output
    • OEM module for integration into custom enclosures
    • 14VDC operation with Kantech KSF format reading
    $215.00 $154.99 Save $60.01
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  • Kantech P325KPW26 ioProx Single Gang Reader Keypad

    Kantech

    SKU: P325KPW26

    Kantech P325KPW26 ioProx Single Gang Reader Keypad

    Dual-auth reader + keypad in single gang form for 26-bit Wiegand systems

    • ioProx single-gang reader with integrated keypad
    • 26-bit Wiegand output for broad panel compatibility
    • Card + PIN dual-mode authentication in one device
    $694.00 $498.99 Save $195.01
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  • Kantech P600 ioProx Long Range Proximity Reader

    Kantech

    SKU: P600

    Kantech P600 ioProx Long Range Proximity Reader

    Long-range ioProx reader with 8MP imaging for enterprise access control

    • ioProx long-range proximity reader with extended detection
    • Dual format output: XSF and 26-bit Wiegand selectable
    • Compatible with KT-400, KT-500, KT-900, and Wiegand panels
    $970.00 $696.99 Save $273.01
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  • Kantech PB-EXIT Push Button with SPDT Switch

    Kantech

    SKU: PB-EXIT

    Kantech PB-EXIT Push Button with SPDT Switch

    Non-illuminated push button with SPDT switch for manual door release

    • Non-illuminated SPDT push button for door release
    • Normally-open or normally-closed switching options
    • Reduced power draw vs illuminated alternatives
    $110.00 $87.99 Save $22.01
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  • Kantech SA-550 Stand-Alone Door Controller

    Kantech

    SKU: SA-550

    Kantech SA-550 Stand-Alone Door Controller

    Stand-alone 8-door controller with integrated proximity reader, no network needed

    • Stand-alone door controller with integrated ioProx reader
    • 1,000 user credential capacity for retail and warehouse sites
    • No host PC required — credentials stored on device
    $650.00 $466.99 Save $183.01
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    Kantech

    SKU: TR1675

    Kantech TR1675 KT-400 Step-Down Transformer 75VA

    110-to-16.5 VAC hardwired transformer, 75 VA for access control

    • 75VA step-down transformer for KT-400 controller installs
    • UL-listed for code-compliant access control power
    • Direct OEM fit preserves controller warranty
    $155.00 $122.99 Save $32.01
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  • Lifesafety Power E4M-Backplate-Only E4M Back Plate Only
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    Lifesafety Power

    SKU: E4M-BACKPLATE-ONLY

    Lifesafety Power E4M-Backplate-Only E4M Back Plate Only

    • Aluminum construction provides durable mounting for Mercury panels and FlexPower modules.
    • Supports single and dual voltage configurations, enabling flexible power system design.
    • Removable design simplifies replacement or expansion without specialized tooling.
    $379.00 $248.99 Save $130.01
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  • Lifesafety Power F8P-BOXED Voltage-Based Lock Power Module

    Lifesafety Power

    SKU: F8P-BOXED

    Lifesafety Power F8P-BOXED Voltage-Based Lock Power Module

    • Isolates lock power from controller circuits, preventing maglock dropout under load.
    • Operates on 230 VAC; integrates into standard electrical enclosures via wall or DIN-rail.
    • Supports multiple maglocks and electronic strikes from one regulated source per enclosure.
    $60.00 $39.99 Save $20.01
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  • Lifesafety Power R8-BOXED Lock output module 8 outputs

    Lifesafety Power

    SKU: R8-BOXED

    Lifesafety Power R8-BOXED Lock output module 8 outputs

    • Eight individually fused 12VDC/3A outputs isolate faults so one shorted lock can't take down adjacent doors.
    • Per-output failsafe/fail-secure jumper selection lets you match egress or security requirements door by door.
    • FAI supervision detects open circuits, shorts, and supply faults and propagates alerts to the host panel instantly.
    $114.00 $74.99 Save $39.01
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  • SDC 101-KDENA 4-Door Access Controller with Key Switch

    SDC

    SKU: 101-KDENA

    SDC 101-KDENA 4-Door Access Controller with Key Switch

    4-door controller with 250K credentials, OSDP/TCP-IP, emergency key switch

    • Manages 4 independent door zones and stores 250,000 credentials on-device.
    • OSDP and TCP/IP dual-protocol support eliminates proprietary reader and network lock-in.
    • Integrated key switch enables emergency manual override; lifetime warranty included.
    $1,135.00 $668.99 Save $466.01
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  • SDC 1581VD Single Electromagnetic Lock 10-Door Controller
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    SDC

    SKU: 1581VD

    SDC 1581VD Single Electromagnetic Lock 10-Door Controller

    10-door electromagnetic lock controller with OSDP for multi-vendor integration

    • Controls up to 10 EM locks from one 24VDC unit, reducing per-floor infrastructure.
    • OSDP protocol enables direct integration with Axis, Honeywell, and other vendor platforms.
    • Stores 250,000 credentials and accepts DESFire, MIFARE, NFC, and 125kHz prox formats.
    $483.00 $294.99 Save $188.01
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    SDC

    SKU: 400U-SN

    SDC 400U-SN Access Controller with Integrated Siren

    4-door controller with integrated siren for small-to-mid facilities

    • Manages 4 independent door circuits with 250,000 on-device HID credentials.
    • OSDP and TCP/IP support enables integration with networked or standalone reader systems.
    • Single-gang form factor with integrated siren simplifies retrofits and reduces wiring.
    $71.00 $43.99 Save $27.01
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  • SDC 482R-KIT ADA SPDT Blue 4.5 Round 630 Door Controller

    SDC

    SKU: 482R-KIT

    SDC 482R-KIT ADA SPDT Blue 4.5 Round 630 Door Controller

    4-door controller with OSDP/TCP/IP for HID-based access systems

    • Momentary SPDT contact at 28VDC/1A drives relay coils and strike circuits directly.
    • Mounts recessed, surface box, or bollard — 7/8-inch depth fits standard electrical boxes.
    • 18-gauge stainless steel faceplate handles corridor and vestibule use without corrosion.
    $773.00 $455.99 Save $317.01
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  • SDC 491 Blue Break Glass Emergency Door Controller
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    SDC

    SKU: 491

    SDC 491 Blue Break Glass Emergency Door Controller

    10-door controller with blue break-glass emergency override and dual OSDP/TCP/IP

    • Controls up to 10 door points, reducing controller count in mid-size deployments.
    • Dual OSDP + TCP/IP comms eliminate dedicated RS-485 runs to every reader.
    • Blue break-glass hardwired override ensures egress during network or power faults.
    $222.00 $135.99 Save $86.01
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    SDC

    SKU: 632RFA

    SDC 632RFA 2 Amp Class 2 Access Controller

    63-door Class 2 controller with 250K credential capacity

    • Manages up to 63 doors from a single 24VDC controller, simplifying mid-scale deployments.
    • Stores 250,000 user credentials locally, eliminating database splits across multiple controllers.
    • Reads DESFire, MIFARE, NFC, and 125 kHz prox cards for seamless mixed-credential retrofits.
    $652.00 $383.99 Save $268.01
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Door Controllers

Door controllers manage door inputs and outputs, enforce access rules, and connect readers, locks, and sensors to your broader access control platform. Choose controllers based on door count, expansion needs, and integration requirements for reliable commercial deployments.

Plan Your Deployment

  • Door count today and planned expansion capacity
  • Controller topology (single-door vs multi-door panels)
  • I/O requirements (REX, door contacts, auxiliary relays)
  • Power planning for locks and connected devices
  • Network connectivity and cybersecurity requirements

Door Controllers — Engineering-Grade Access Control for Commercial Deployments

This category covers 78 working models of door controllers sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.

What to Look For

Door count today versus expansion in 5 years dictates controller architecture. Single-door PoE controllers (HID Aero, Axis A1601) are economical for small sites and scale linearly. Multi-door panels (Mercury, Lenel S2, Kantech KT-400) consolidate hardware and reduce per-door cost on large deployments but require upfront commitment to a head-end platform. Plan capacity to absorb growth without ripping out boards mid-life.

Credential strategy locks you to a reader and controller ecosystem. Modern 13.56 MHz options (HID iCLASS Seos, Mifare DESFire EV2/EV3, OSDP-native) resist cloning that 125 kHz prox cards do not. Mobile credentials (HID Mobile Access, LEAF, Bluetooth/NFC) demand readers that support secure transports. If you anticipate migrating credentials, choose controllers and readers that accept multiple formats and OSDP from the start.

Integration with your video, intrusion, and identity systems is the long-tail cost. Native ONVIF Profile A (access control) is uncommon; most integrations rely on vendor APIs, scripted IFTTT-style bridges, or middleware. Confirm controller-to-VMS and controller-to-active-directory integration paths before you commit — retrofitting these later is expensive.

Power, network, and physical mounting requirements vary widely. Some controllers run on 12VDC, others on 24VAC, others on PoE+. Door-frame mounting versus closet/rack mounting changes wire-pull strategy. Budget for door hardware (electrified locks, strikes, REX, door position) and the secondary power supply with battery backup that fire code requires on egress doors.

Key Specs in This Category

SpecAvailable Options
Resolution8MP, 2MP, Thermal
IP RatingIP67
ConnectivityWired
PowerPoE, AC/DC
Channels8
TypeAccessory, Controller, Reader, Network Door Controller, Cable, Power Supply, Access Controller, Mobile Computer

Top Brands in This Category

Frequently Asked Questions

What's the difference between OSDP and Wiegand?

Wiegand is the legacy reader-to-controller protocol — open, unencrypted, vulnerable to spoofing and limited to short cable runs. OSDP (Open Supervised Device Protocol) is the modern replacement: encrypted, bidirectional, supports tamper detection and firmware updates, and runs reliably over longer distances. SIA SP1/SP2 designations indicate OSDP Secure Channel support. New deployments should specify OSDP everywhere unless legacy infrastructure forces Wiegand.

Can I use one controller across multiple buildings?

Most modern IP-based controllers can manage geographically distributed doors as long as network connectivity to the head-end is reliable. However, doors at remote sites lose access decision capability if WAN goes down unless the controller supports offline mode and caches valid credentials locally. For multi-site deployments, choose controllers with documented offline operation and consider redundant head-ends for compliance-sensitive industries.

How many credentials can a typical controller hold?

Entry-level controllers hold 5,000-10,000 credentials. Mid-range hold 50,000-100,000. Enterprise platforms scale to millions through the head-end software with the controller acting as a cached decision point. Card-to-reader presentation time matters more than raw capacity once you're above 10,000 — confirm the read time at the maximum cardholder count, not the controller's spec-sheet headline number.

Do I need PoE or can I use a separate power supply?

PoE simplifies installation — one cable per door — and is the dominant approach for single-door IP controllers. Multi-door panels typically need a dedicated 12VDC or 24VAC power supply with battery backup sized to drive electrified locks and accessories. Egress doors often require code-mandated battery backup regardless of controller power source. Confirm local fire code requirements before finalizing the power architecture.

What's the typical lifespan of an access control panel?

Hardware lifespan is 10-15 years for well-built panels (Mercury, Lenel, Kantech, HID Aero). The platform software typically forces a refresh sooner — 5-8 years — through driver deprecation, mobile credential support gaps, or end-of-life of the head-end version. Plan for software-driven refresh ahead of hardware failure. Migration projects always run longer than planned; start scoping a replacement in year 5 of a 10-year hardware horizon.

Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.