Dortronics 48901 DOR 48900 Series User Programmable PLC Interlock, Powered in Enclosure

Optimize interlock control and secure access workflows with the Dortronics 48901 DOR user-programmable PLC interlock, supplied in a powered enclosure for fast, reliable deployment. This control panel accessory puts flexible, on-site logic into the hands of integrators — supporting timed sequencing, fail-safe modes, and alarm monitoring without the need for additional PLC hardware. The 48901 DOR model is delivered in a powered enclosure to minimize field wiring and reduce installation labor, and its user-programmable PLC makes it ideal for mantraps, vestibules, elevator control, and high-security rooms. Built for security and surveillance environments, the unit supports standard alarm and access control I/O to integrate with CCTV, monitoring stations, and building management systems. By combining a compact control panel form factor with programmable logic capability and a powered housing, this Dortronics control accessory accelerates commissioning and improves long-term system reliability. Specify the Dortronics 48901 for projects that demand robust monitoring and customizable interlock logic — contact your Dortronics supplier to integrate it into your next access control or surveillance deployment.

• Simplifies secure access control by delivering a user-programmable PLC interlock that adapts to mantrap and multi-door workflows
• Reduces installation time with a factory-powered enclosure that integrates easily into existing control panel setups
• Offers flexible logic customization so integrators can implement timed sequencing, fail-safe locking, and alarm monitoring without external controllers
• Enhances reliability for security and surveillance systems with a rugged design built for continuous monitoring and critical access scenarios
• Compatible with standard access control and alarm inputs/outputs for seamless integration into CCTV, building management, and networked security systems