Dortronics 48501-C-420 48500 Series Field Configured Interlock Controller User Programmable PLC Interlock, Custom, Powered in Enclosure

Deliver reliable interlock sequencing and secure access control where it matters most. The Dortronics 48501-C-420 from the 48500 Series is a field-configured, user-programmable PLC interlock controller packaged in a powered enclosure to simplify installation and wiring. Built for access control panels and security integrators, this controller provides flexible, programmable logic for mantraps, secure vestibules, laboratories, and data centers, ensuring doors operate in the correct sequence and preventing unauthorized entry.

With its field-configurable design and user-programmable PLC logic, the 48501-C-420 lets technicians tailor timing and state-monitoring to site-specific requirements. The powered enclosure protects electronics and centralizes power for cleaner installations, while integration with monitoring and surveillance systems enables centralized event logging and alarm response. As a Dortronics access control product, it delivers robust performance, reduced maintenance, and compatibility with common security infrastructures.

Specify the 48501-C-420 (Manufacturer Part Number: 48501-C-420) for projects that demand precise interlock control and reliable security operations. Contact our sales team to configure this interlock controller for your next access control or surveillance deployment.

• Field-configured, user-programmable PLC interlock simplifies custom sequencing and reduces on-site configuration time
• Powered, weather-resistant enclosure provides reliable operation and cleaner wiring for faster installation
• Integrates seamlessly with access control systems, monitoring, and surveillance for coordinated security workflows
• Designed to enforce safe interlock sequencing for mantraps, labs, data centers and high-security doors
• Durable Dortronics engineering minimizes downtime and maintenance costs for enterprise security deployments