Door Controllers

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

Showing Results for Door Controllers

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Hikvision

SKU: DS-K2602-G

Hikvision DS-K2602-G Dual-Door Network Controller

Dual-door network controller with 4 alarm I/O and remote access management
- Control 2 independent doors with configurable access rules and exit buttons
- 4 alarm inputs + 4 alarm outputs for integrated threat detection and response
- Wired network integration with high-capacity event logging for audit trails
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$776.00 $538.99 Save $237.01

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Honeywell

SKU: MPA2C3

Honeywell MPA2C3 Wired Mobile Computer for Access Control

Hardwired mobile computer for Honeywell MPA2 access control setup
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$1,301.25 $944.99 Save $356.26

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Honeywell

SKU: MPA2C3-4

Honeywell MPA2C3-4 4-Door Access Controller

4-door wired controller with hardwired Ethernet for reliable access management
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$1,982.10 $1,395.99 Save $586.11

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Kantech

SKU: KT-1DE2-WTC

Kantech 1 Door ProWire Standard Enclosure Pre-Wired

Single-door access control enclosure, pre-wired and wall-mounted
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$1,315.00 $1,064.99 Save $250.01

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Kantech

SKU: KT-16DNE6-WTA

Kantech 16 Door ProWire Network Enclosure Pre-Wired

16-door ProWire network enclosure, factory pre-wired and tested
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$4,380.00 $3,546.99 Save $833.01

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Kantech

SKU: KT-16DE6-WPA

Kantech 16 Door ProWire STANDARD Enclosure

16-door access control enclosure, pre-wired and factory-assembled
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$4,000.00 $3,238.99 Save $761.01

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Kantech

SKU: KT-16DE6-WTA

Kantech 16 Door ProWire Standard Enclosure Pre-Wired

16-door access control enclosure, factory pre-wired and ready to install
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$3,865.00 $3,129.99 Save $735.01

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Kantech

SKU: KT-2DNE2-WTB

Kantech 2 Door ProWire Network Enclosure Pre-Wired

Pre-wired 2-door access controller for ProWire network installations
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$2,000.00 $1,619.99 Save $380.01

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Kantech

SKU: KT-2DE2-WTB

Kantech 2 Door ProWire Standard Enclosure Pre-Wired

Factory pre-wired 2-door access control enclosure, ready to deploy
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$1,550.00 $1,255.99 Save $294.01

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Kantech

SKU: KT-4DNE2-WTA

Kantech 4 Door ProWire Network Enclosure Pre-Wired

4-door network enclosure, pre-wired and factory-tested for fast deployment
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$2,040.00 $1,651.99 Save $388.01

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Kantech

SKU: KT-4DE2-WTA

Kantech 4-Door ProWire Standard Enclosure Pre-Wired

4-door access control enclosure, factory pre-wired and ready to install
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$1,585.00 $1,283.99 Save $301.01

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Kantech

SKU: KT-8DNE4-WTA

Kantech 8 Door ProWire Network Enclosure Pre-Wired

Factory pre-wired 8-door enclosure with network management
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$3,125.00 $2,530.99 Save $594.01

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Kantech

SKU: KT-8DE4-WPA

Kantech 8 Door ProWire Standard Enclosure

8-door ProWire Standard controller, pre-wired and factory-tested
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$2,760.00 $2,234.99 Save $525.01

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Kantech

SKU: KT-8DE4-WTA

Kantech 8 Door ProWire STANDARD Enclosure Pre-Wired

Factory pre-wired 8-door enclosure, ready to deploy out of box
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$2,690.00 $2,178.99 Save $511.01

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Kantech

SKU: ASK-116T

Kantech ASK-116T Indala Keytag 26-Bit Wiegand

Passive 26-bit Wiegand keytag for standard access control systems
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$8.08 $6.99 Save $1.09

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Kantech

SKU: BC-301

Kantech BC-301 Bar Code Reader

1D/2D bar code reader for indoor/outdoor access control
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$505.00 $416.99 Save $88.01

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What to Look For When Buying

The decisions that matter most before you spec.

Door Count & Expansion Roadmap

Start with your current secured entry count, then plan for 12–24 month growth. Single-door controllers cannot scale; multi-door or modular controllers with I/O expansion slots protect capex and reduce installation labor. Access hubs and controllers offer centralized credential management if you're expanding across multiple buildings.

Network Topology & Cabling Cost

IP and PoE-based controllers eliminate 2-pair RS-485 or RS-232 serial runs, lowering installation time and material cost in new construction. If retrofitting, door hardware and I/O modules can adapt legacy serial controllers to newer systems without full replacement. Review your network resilience—why surveillance networks collapse at the core applies equally to access control uplinks.

Reader & Lock Integration

Ensure the controller's input/output format matches your card readers (Wiegand, RS-485, IP) and lock actuators (fail-safe/fail-secure relay outputs, electric strikes, mag locks). Card readers and door locks and strikes vary widely in voltage and signal protocol; mismatch delays deployments and creates support burden.

Offline & Failsafe Behavior

Controllers with onboard credential caches and local time-zone rules continue enforcing access during network or server loss—critical for life-safety and business continuity. Check battery backup duration, failsafe lock behavior (remain locked vs. unlock), and audit trail storage limits. Why surveillance systems fail during incidents highlights the cost of connectivity assumptions.

Power Supply & PoE Budget

PoE controllers (802.3af/at) simplify cabling but consume 5–15W per door; calculate total current draw across all controllers on your PoE switch to avoid overload. Non-PoE controllers require dedicated 12V or 24V supplies sized for peak lock current (300–500mA per strike). PoE budget planning methodology applies here.

Brand Ecosystem & Firmware Support

Kantech, Axis, Honeywell, and Geovision dominate enterprise door control; ensure your systems integrator is factory-trained and your controller's firmware receives monthly security patches. Legacy or white-label controllers may lack vendor support after 5 years, risking stranded infrastructure.

Technology Stack

The specs and acronyms that actually affect door controllers performance.

Wiegand & RS-485 Readers

Wiegand is a legacy two-wire reader protocol (data + ground) supplying 26–37 bit card ID; RS-485 is multi-drop serial for longer runs and higher capacity. Most modern controllers support both; verify pin compatibility and termination resistor requirements before ordering readers and controllers together.

Relay Outputs & Lock Control

Controllers drive locks via form-C relays (normally open, closed, or changeover contacts). Strikes draw 300–500mA at 12V; mag locks draw 400–1000mA. Undersized relay contacts or power supplies cause lock chatter, shortened solenoid life, and failed entry attempts during peak occupancy.

Credential Cache & Offline Operation

On-board flash memory stores 10,000–100,000 card ID / PIN combinations, allowing door unlock during network outage. Cache refresh rate (seconds to minutes) and conflict resolution (deny vs. allow on sync loss) are critical for retail and hospitality multi-location rollouts.

PoE+ & Power Class Negotiation

802.3af supplies 15.4W max; 802.3at (PoE+) supplies 30W. Dual-port controllers and mag locks require PoE+. Controllers negotiate power class on link-up; older switches may not allocate PoE+ on all ports, requiring per-port configuration or high-power injectors.

Audit Log & Tamper Detection

Controllers log access events (card ID, timestamp, granted/denied) to onboard flash or to a remote server. Tamper switches on the enclosure detect physical tampering; critical for regulated facilities (healthcare, finance). Verify log capacity (1,000–1,000,000 events) and export format (CSV, syslog, API).

Time Synchronization & Scheduling

NTP or local RTC (real-time clock) ensures consistent audit timestamps across doors. Controllers enforce time-based access rules (office hours, after-hours, day-of-week). Battery-backed RTC maintains schedule during power loss; check battery life expectancy and replacement ease.

Typical Deployment Scenarios

Small Office (1–2 Doors)

Single IP-based door controller with integrated PoE power, Wiegand reader input, and fail-safe strike relay. Add a cloud-ready access hub for mobile unlock and audit visibility; no on-site server needed. Total cost: $800–$1,500 including reader and lock.

Retail Multi-Location (5–10 Doors per Site)

Multi-door controller (4 doors) + I/O expansion module at each location, syncing credentials via Geovision or Honeywell cloud platform. Local cache enables offline operation during HQ internet loss. Scale to 20+ locations by daisy-chaining controllers over Ethernet.

Campus or Government Facility (50+ Doors)

Enterprise controller cluster (8+ controllers) with central control systems platform, active-passive failover, and distributed credential server. Integrate card readers with biometric backup at high-security zones. Audit trail: 10+ million events, archived monthly to video storage or SIEM.

Retrofit to IP (Legacy Serial Readers)

Existing 26-bit Wiegand readers and 12V mag locks fed through new Kantech IP controller with Ethernet uplink. Door I/O modules translate old cabinet wiring to modern controllers; no reader or lock replacement. Preserve 70% of cabling investment while gaining cloud access and failover.

Frequently Asked Questions

What's the difference between a door controller and an access hub?

Door controllers manage individual door(s)—reader input, lock output, sensor logic—and sit in or near the door frame or in a local cabinet. Access hubs are centralized appliances managing multiple controllers, enforcing credential policy, and syncing with a cloud or on-premise server. Start with controllers if you have <5 doors per site; consider a hub if you have 20+ doors or multiple locations.

Can I use a single-door controller for two doors?

No. Single-door controllers have one Wiegand reader input and one relay output. Wiring two readers and two locks to one controller causes contention and unpredictable lock behavior. Always match door count to controller capacity, or use a multi-door controller with expansion I/O from the start.

Do IP door controllers need a separate PoE switch?

Yes, unless your PoE switch already supplies enough power and ports. Calculate: each IP controller + reader = 5–15W. A 24-port PoE+ switch typically supplies 180–240W total; a fully loaded switch supports 12–20 door controllers. Use a managed PoE switch to monitor power per port and avoid brownout failures.

What happens to door access if the network goes down?

Controllers with onboard credential cache (10,000–100,000 card IDs) continue granting/denying access using last-synced rules. Once the network restores, audit logs upload and credential cache refreshes. Controllers without cache fail-lock (deny all) or fail-open (allow all), depending on configuration; clarify your site's safety vs. convenience tradeoff before deployment.

Which reader types does each controller support?

Most modern controllers (Kantech, Axis, Honeywell) accept Wiegand 26/34/37-bit readers and EM proximity (125 kHz). Premium models add RS-485 multi-reader support and IP readers. Legacy controllers may support only Wiegand; always cross-check reader datasheet against controller input specs before purchase.

How do I add more doors without replacing the controller?

Multi-door controllers with modular I/O expansion slots allow 2–4 additional door modules. Each module adds reader + lock outputs and sensor inputs. If you need to go beyond 8 doors at one site, upgrade to a multi-site control system with multiple controllers, or use a centralized access hub with redundant uplinks.

Plan Your Deployment

Showing Results for Door Controllers

Hikvision DS-K2602-G Dual-Door Network Controller

Honeywell MPA2C3 Wired Mobile Computer for Access Control

Honeywell MPA2C3-4 4-Door Access Controller

Kantech 1 Door ProWire Standard Enclosure Pre-Wired

Kantech 16 Door ProWire Network Enclosure Pre-Wired

Kantech 16 Door ProWire STANDARD Enclosure

Kantech 16 Door ProWire Standard Enclosure Pre-Wired

Kantech 2 Door ProWire Network Enclosure Pre-Wired

Kantech 2 Door ProWire Standard Enclosure Pre-Wired

Kantech 4 Door ProWire Network Enclosure Pre-Wired

Kantech 4-Door ProWire Standard Enclosure Pre-Wired

Kantech 8 Door ProWire Network Enclosure Pre-Wired

Kantech 8 Door ProWire Standard Enclosure

Kantech 8 Door ProWire STANDARD Enclosure Pre-Wired

Kantech ASK-116T Indala Keytag 26-Bit Wiegand

Kantech BC-301 Bar Code Reader

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What to Look For When Buying

Technology Stack

Typical Deployment Scenarios

Top Brands for Door Controllers

Frequently Asked Questions

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