Southco Introduces new R4-50 Heavy-Duty Electronic Rotary Latch with Integrated Sensor

HONG KONG SAR – Media OutReach Newswire – 21 March 2024 – Southco Asia Ltd., a subsidiary of Southco Inc., a leading global provider of engineered access solutions such as locks, latches, captive fasteners, electronic access solutions and hinges/ positioning technology has introduced a new R4-50 Heavy-Duty Electronic Rotary Latch with an integrated sensor and sealed electronic actuation, expanding its rotary latch line with options offering increased security and remote access control for demanding environments.

R4-50 Heavy-Duty Electronic Rotary Latch with Integrated Sensor
R4-50 Heavy-Duty Electronic Rotary Latch with Integrated Sensor

Offering high security, quick actuation speed, and exceptional cycle life, the latest addition to the Heavy-Duty Rotary Latch line is designed for applications where durability and reliability are critical. As an FMVSS 206 capable solution for high strength door retention, the R4-50 is made for last-mile delivery applications where constant use and unpredictable conditions are the norm.

The new R4-50 combines these traits with electronic actuation and monitoring to verify door security. The latch actuates reliably under high loads in under one second, and electronic access technology gives users convenient remote control actuation at all times. The integrated sensor communicates when the latch is closed and the door striker is present to confirm that the door is secured. The entire electronic actuation system is sealed to protect against environmental conditions.

All of this comes in a device built to last. With a cycle life five times longer than other electronic rotary latches, the R4-50 Heavy-Duty Rotary Latch will be a reliable solution for years after installation, even in the most demanding environments.

For more information about the R4-50 Heavy-Duty Rotary Latch, please visit or email the 24/7 customer service department at
Hashtag: #southco #securitysystem #RotaryLatch

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About Southco

Southco, Inc. is the leading global designer and manufacturer of engineered access solutions. From quality and performance to aesthetics and ergonomics, we understand that first impressions are lasting impressions in product design. For over 70 years, Southco has helped the world’s most recognized brands create value for their customers with innovative access solutions designed to enhance the touch points of their products in transportation and industrial applications, medical equipment, data centers and more. With unrivalled engineering resources, innovative products and a dedicated global team, Southco delivers the broadest portfolio of premium access solutions available to equipment designers throughout the world.