Highly Versatile Door Interlock Controllers

for Clean Rooms, Pharmaceutical Production and Biolabs

Maintaining the stringent airflow requirements of cleanrooms and biolabs presents numerous challenges for facility and HSW managers.

Dortronics’ door interlock controllers provide a field-proven solution for these two applications. Our economical interlock control boards will ensure proper door sequencing to maintain the integrity of these highly controlled environments. With Dortronics’ field-configurable interlock controllers, there’s no need for pre-programming, user interfaces, or software hassles. Compatible with virtually any access control system, they offer a fast, convenient, and cost-effective solution.

Multiple Interlocks. A Single Controller.

For larger operations like pharmaceutical production and microchip manufacturing facilities, Dortronics’ controllers can manage over 100 doors with a single controller. They include key features designed to facilitate seamless, effective airflow control in cleanrooms and biological laboratories.

Tip Sheet Cover Image

8 Tips When Planning Interlock Systems

Door Interlock Solutions for 2 to 120 Doors

Dortronics provides a comprehensive array of Intelligent Door Interlock Controllers spanning from 2-door configurations to expansive systems accommodating up to 120 doors, providing unparalleled scalability and performance.

Custom or Off-the-Shelf Solutions

Choose from off-the-shelf options capable of interlocking as many as nine doors. For larger configurations exceeding nine doors, and/or applications with very specialized parameters, we offer factory-programmed units to meet your specific needs and requirements.

Simple On-Site Setup

Dortronics’ door interlock systems boast intuitive field configurability, eliminating the need for complex programming or software. This ensures swift deployment and hassle-free installation, making them an ideal choice for cleanroom and laboratory applications where adaptability is paramount.

Multiple Interlocks Managed by a Single Controller

Dortronics can consolidate multiple interlocked areas onto a single controller, enhancing efficiency in cleanroom and laboratory operations.

Unlock Insights into the Application and Operation of Diverse Door Interlock Systems

PRODUCT SHOWCASE

The 4300 Series Door Interlock Controller offers an economical solution for simple interlocks, ensuring that only one door in a 2-door configuration is open at a time. These can be used for simple airlocks. They can be set for normally unlocked or normally locked states for optimal environmental control. The built-in Emergency Release function ensures safety should something happen inside the airlock. Paired with a robust 4204NX power supply, this controller provides reliable operation and door sequencing.

  • Built-in Emergency Release function for safety
  • Paired with a robust 4204NX power supply
  • Compatible with any access control system

The 48500 interlock controller is a cost-effective solution for operating door interlock systems of up to five doors. This fully integrated, single-board controller allows installers complete control of all operating and configuration options without complex software. Suitable for environmental applications, it supports air locks with two to five doors. Doors can be normally locked or normally unlocked. The controller includes outputs for traffic lights and door alarms, adjustable time delays for propped doors, panic release, and door unlock time, and optional auxilliary outputs to control automatic door openers.

  • Mirrors door status to access control panels
  • Available with 4, 6, or 10 Amp power supply
  • Available without power supply for existing 12-24VDC sources
  • Includes Fire Alarm connection for emergency egress
  • Powers maglocks, electric strikes, and traffic lights
  • Compatible with any access control system
48900 enclosure

The 48900 interlock controller is a cost-effective solution for operating door interlock systems with up to nine doors. This fully integrated, single-board controller provides complete control over all operating and configuration options without complex software. Ideal for environmental applications, the 48900 supports air locks with two to nine doors, which can be normally locked or normally unlocked. The controller features outputs for traffic lights and door violation alarms and offers three individual timing sequences for propped door time, emergency override unlock time, and Rex unlock time.

  • Mirrors door status to access control panels
  • Available with 4, 6, or 10 Amp power supply
  • Available without power supply for existing 12-24VDC sources
  • Includes Fire Alarm connection for emergency egress
  • Powers maglocks, electric strikes, and traffic lights
  • Compatible with any access control system

The 4900 series Interlock Controllers offer total control and flexibility for up to 120 doors. The PLC logic ensures that only specified doors in any defined area can be opened at a time, denying simultaneous access requests to maintain the highest level of control. Suitable for maintaining multiple air locks with very specialized parameters such as pressure equalization sequences, this door interlock solution can adapt to accommodate any scenario.

  • Easy to install with no software or programming required
  • Pre-programmed operating logic tailored to customer specifications
  • Simple connection of door status switches and request-to-access devices
  • Locking devices powered from built-in DC supply or independent low voltage power source
  • LED visual indicators powered or controlled by relay outputs
  • Customizable for automatic door openers and biological wash-down control sequences
  • Compatible with any access control system
Two clean room technicians

Contact Our Biolab Cleanroom Door Interlock Specialists!