Multifunctional Access Box

Our Guardmaster® 442G Multifunctional Access Box is a unique combination of guard locking and access control. This integrated safeguarding solution is ideal for full body applications where guard doors require a higher holding force, a greater tolerance to guard door misalignment and a means for exiting the safeguarded area in an emergency. A choice of operator controls and other options offer flexibility to meet a variety of applications.

Bulletin 442G Multifunctional Access Box
  • Overview
  • What's New
  • Product Selection
  • Specifications
  • Documentation
  • Resources
  • Applications


  • Includes a high coded RFID bolt actuator to achieve the highest level of tamper resistance in accordance with ISO 14119
  • Offers both Power-to-Release and Power-to-Lock models for personnel safety or the protection of machine production
  • Offers the ability to be wired in a series and maintain a PLe Cat 4 rating for interlocking, guard lock monitoring and control of guard locking
  • Includes a CIP Safety over EtherNet/IP version which enables easy integration in a networked automation control system using Studio 5000 Logix Designer® environment


Additional Information

  • Protect your people, productivity, and environment with our Safety Components and integrated Safety Solutions. We understand your factory floor challenges and can help you meet your goals with one of the broadest safety portfolios in the industry.


Multifunctional Access Box Now With CIP Safety Over EtherNet/IP

Our Bulletin 442G Multifunctional Access Box now offers CIP Safety over EtherNet/IP. This functionality enables easy integration in a networked automation control system using Studio 5000 Logix Designer® environment.

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.


  • cULus Listed (UL 508)
  • CE Marked for all applicable directives

Product Certifications

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

Other Resources

  • Integrated Architecture Tools — Tools to help you plan and configure an Integrated Architecture™ system.
    • Faceplate/Add On Instruction Sets — Download and use these pre-built, pre-configured HMI screens.
    • IA Bookshelf [PDF] — View recommended literature for the Integrated Architecture™ system.
    • Integrated Architecture Podcasts — Select from a list of podcasts to learn more about the Integrated Architecture™ system.
    • Popular Configuration Drawings — Use these tools to understand the basic performance, capacity and configuration of the Integrated Architecture™ system.
    • Sample Code Library — Retrieve samples of code that have been developed by other users and post code that others might find helpful.
    • System Ferret — Use this system inventory software tool to seek out and log all devices communicating on DeviceNet™ networks, ControlNet™, and EtherNet/IP™ in your control system.
  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.

The Guardmaster® 442G Multifunctional Access Box supports applications that require:

  • integrated guard locking and access control safeguarding solutions
  • full body access into safeguarded areas such as, die press, metal working, packaging, printing press, robotic automated assembly, stamping, and web
  • superior strength of a bolt style actuator