Honeywell PRO42R2B Professional PRO4200 Series Dual Reader Board, Output Relay, 12/24VDC (Replaces PRO42R2)

Optimize multi-door access control with the Honeywell Commercial Security PRO4200 Dual Reader Module (PRO42R2B). This professional series control panel board consolidates two readers on a single module to streamline deployments, reduce wiring complexity, and lower total system cost in high-density installations. With flexible serial RS-485 or Wiegand interfaces, the PRO42R2B integrates seamlessly into existing access control networks and security management systems. The module’s onboard output relay and 12/24VDC power support allow direct control of electric locks, alarms or auxiliary devices, simplifying rack space and power distribution. Built for enterprise and commercial environments, the PRO4200 delivers the reliability expected from Honeywell hardware, helping maintain continuous monitoring and surveillance operations. Ideal for multi-tenant buildings, campuses, and large facilities upgrading their access infrastructure. Contact your integrator or add the PRO42R2B to your next security project to accelerate installation and enhance access control performance.

• Dual-reader capacity to manage two entry points from a single board, reducing hardware and installation costs
• Flexible RS-485 or Wiegand connectivity for easy integration with existing controllers and access control networks
• Built-in output relay and 12/24VDC support to drive locks, alarms, or auxiliary devices without extra power modules
• Designed for high-density installations to scale in multi-door enterprise, commercial, or campus environments
• Reliable Honeywell Commercial Security build for consistent operation in security, surveillance, and monitoring systems