Safe, Simple Access — From Both Sides

When you need dependable access from inside and out, the R4-50 with Dual Triggers delivers a clean, purpose-built solution. No awkward linkages. No overcomplicated workarounds. Just reliable, independent actuation in a rugged, field-proven rotary latch system.

This configuration combines operator safety, durability, and flexibility in one cost-effective package.


Independent Actuation, Built-In Safety

The R4-50 Dual Trigger setup is designed for real-world environments where access and safety both matter.

Key benefits:

  • Independent interior and exterior actuation
    Each side operates on its own, giving you flexibility without compromising secure closure.

  • Pre-loaded interior hand lever
    Responsive and intuitive—especially important in emergency situations.

  • Accidental actuation prevention
    Engineered to reduce unintended release and protect operators and equipment.

  • Flexible release options
    Configurations available to match a wide range of applications.

It’s a straightforward way to provide dual access without introducing unnecessary complexity into your design.


Designed to Meet Demanding Standards

The Southco R4 Rotary Latch Series is known for its durability and modularity. The R4-50 with Dual Triggers builds on that foundation.

It is capable of meeting:

  • FMVSS 206 impact standards

  • EN 45545-3 fire protection standards

That makes it a strong fit for transportation, industrial enclosures, service panels, and equipment access doors where performance and compliance are critical.

Available in mechanical and electromechanical configurations, the R4 platform is designed to integrate smoothly into your project with little to no modification.


A Practical Solution for Real Applications

If you’re designing:

  • Vehicle doors

  • Rail compartments

  • Heavy equipment panels

  • Industrial enclosures

The R4-50 Dual Trigger gives you a dependable, standards-ready latch system that simplifies access and supports long-term reliability.


Learn More

If you’d like full specifications, configuration options, or help determining the right setup for your application, contact us at Steeves Agencies.

We work closely with Southco and can walk you through:

  • Available configurations

  • Compliance considerations

  • Integration support

  • Lead times and availability

Whether you’re early in design or refining an existing system, we’re approachable, responsive, and ready to help you land on the right solution.