Verkada AC43 Four-Door Controller – Cloud-Managed Access Control System

The Verkada AC43 Four-Door Controller is a powerful, cloud-managed access control solution designed to secure up to four doors from a single controller. Built for commercial buildings, offices, schools, healthcare facilities, and enterprise environments, the AC43 combines simplified installation, centralized cloud management, native camera integration, and support for auxiliary devices and fire alarm systems.

Managed through Verkada Command, the AC43 enables organizations to control access, monitor door activity, and manage users remotely from any internet-connected device while maintaining reliable operation even during network outages.

Enterprise Access Control for Four Doors

The Verkada AC43 provides centralized management for up to four doors using a single controller, making it an ideal solution for medium-sized access control deployments. With support for multiple reader technologies, request-to-exit devices, auxiliary inputs and outputs, and a dedicated Fire Alarm Interface (FAI), the AC43 delivers flexibility for a wide range of security applications.

Key Features

Four-Door Access Control

The AC43 can manage up to four doors simultaneously, reducing hardware requirements while simplifying installation and administration.

Each door includes:

• 1× 12V/24V Door Port
• 2× Request-to-Exit (REX) Inputs
• Reader Input
• 1× Dry Contact (DPI) Input

Cloud-Based Management

Manage every aspect of your access control system using Verkada Command.

Administrators can:

• Create and manage users
• Assign access permissions
• Configure access schedules
• Monitor door status
• Review entry events
• Lock or unlock doors remotely
• Receive real-time alerts

All management functions are accessible through a secure cloud platform from any location.

Native Camera Integration

The AC43 integrates seamlessly with Verkada security cameras, providing video verification for every access event.

Benefits include:

• View video linked to door activity
• Verify user access
• Investigate incidents quickly
• Improve security monitoring
• Maintain complete audit trails

Fire Alarm Interface (FAI)

A dedicated Fire Alarm Interface (FAI) allows the controller to integrate with fire alarm systems, helping ensure that doors respond appropriately during emergency situations and supporting compliance with building safety requirements.

Auxiliary Inputs & Outputs

The controller includes:

• 2× Auxiliary Inputs
• 2× Auxiliary Outputs

These interfaces support additional security devices such as:

• Alarm systems
• Emergency buttons
• Door sensors
• Warning lights
• Sirens
• Third-party peripherals

Flexible Reader Compatibility

Each door supports one reader connection compatible with:

• Verkada RS-485 Readers
• Wiegand Readers

This flexibility allows organizations to integrate new or existing reader hardware.

Reliable Offline Operation

The AC43 stores critical access information locally, allowing doors to continue operating even if the internet connection is temporarily unavailable.

Once connectivity is restored, events automatically synchronize with the cloud.

Automatic Updates

The controller receives automatic:

• Firmware updates
• Software upgrades
• Security patches

This minimizes maintenance while ensuring the latest features and protections are always available.

Verkada Command Platform

With Verkada Command, organizations can manage access control across multiple locations from a single interface.

Features include:

• User management
• Credential administration
• Door scheduling
• Access event history
• Live camera integration
• Health monitoring
• Remote administration
• Cloud reporting

Technical Specifications

Power & Network

Door Support

Inputs

• 2× Request-to-Exit (REX) Dry Inputs per Door
• 1× Dry Contact (DPI) Input per Door
• 2× Auxiliary Dry Inputs

Outputs

• 2× Auxiliary Outputs
• 1× Auxiliary Power Output (12V @ 250mA)

Fire Alarm Integration

• 1× Fire Alarm Interface (FAI)

Applications

The Verkada AC43 is ideal for:

• Office buildings
• Corporate campuses
• Schools and universities
• Healthcare facilities
• Government buildings
• Warehouses
• Manufacturing plants
• Retail stores
• Hotels
• Multi-tenant buildings
• Commercial properties

Key Benefits

• Controls up to four doors from one controller
• Centralized cloud-based management
• Native integration with Verkada cameras
• Supports Verkada RS-485 and Wiegand readers
• Dedicated Fire Alarm Interface (FAI)
• Auxiliary inputs and outputs for expanded functionality
• Remote door lock and unlock
• Automatic firmware and software updates
• Reliable operation during internet outages
• Simplified installation and maintenance
• Scalable enterprise access control solution

Why Choose the Verkada AC43?

The Verkada AC43 Four-Door Controller delivers a scalable and intelligent access control solution for organizations that require secure management of multiple entry points. With cloud-based administration, native video integration, support for fire alarm systems, and compatibility with a variety of reader technologies, the AC43 simplifies installation while providing enterprise-grade security and operational efficiency. Whether securing offices, schools, healthcare facilities, or commercial properties, the AC43 offers reliable, flexible, and future-ready access control.

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