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20Dimensions in millimeters (inch) unless otherwise statedR4-EM-9 Series – Full-featuredThe microprocessor controlled R4-EM 9 Series delivers next generation electronic rotary latching. All inputs are routed through the internal microprocessor, allowing expanded programing capability and customization of latch functionality. Extended housing provides added protection of the cam and an integrated trigger sensor provides indisputable lock/unlock status reporting. Additionally, the 9 Series offers a door retention feature which allows a door or panel to remain in the closed position until it is ready to be opened. R4-EM 4 & 6 Series – LightweightThe R4-EM Light Duty delivers proven electronic access control in a compact, lightweight integrated package. Easy push-to-close operation and simple installation make it an ideal solution for transitioning from mechanical to electronic access. The R4-EM Light Duty is available in both auto re-lock and delayed re-lock versions for added fl exibility. Multiple mounting confi gurations and a compact size afford easy integration into existing designs. R4-EM 5 & 7 Series – Outdoor useThe R4-EM Outdoor provides reliable electronic access control in demanding environments. With its corrosion-resistant plated-steel or stainless steel outer body construction and fully-sealed internal actuator, the R4-EM Outdoor provides reliable electronic locking that is resistant to moisture and dust. The embedded electronic control allows integration with an external control system and fl exible, concealed installation accommodates a variety of outdoor applications.R4-EM 1 & 2 Series – All-metal construction The original, all-metal construction R4-EM delivers the convenience of electronic access control with the security of a proven, robust, all-metal rotary latch. Easy push-to-close operation and electronic actuation simplify access across a wide variety of applications. The R4-EM series accepts access control signals from access control devices as well as networked systems. An optional internal microswitch provides an output signal to remotely monitor latch status or control external systems.R4-EM-8 Series – Basic functionalityThe R4-EM 8 Series combines the effi cient and robust performance of a rotary latch mechanism with simplifi ed DC motor actuation. The R4-EM 8 Series is available with or without an extended housing option to accommodate door sensing and to provide added protection of the locking cam. Additionally, the 8 Series is available with an integrated connector and mechanical override bracket, and features simple, concealed two-hole installation. • Push-to-close, electronic release• High electromechanical release load • Minimal power draw• Optional door sensor• Mechanical over-ride• 5VDC, 12VDC and 24VDC optionsDOOR OPEN1 2 34 5 67 8 9 0 #1 2 34 5 67 8 9Ø 0 #OPEN LATCHR4-EM-9R4-EM-8R4-EM-5 & 7R4-EM-1 & 2R4-EM-4 & 6Electromechanical Rotary LatchesOverviewMechanical overrideLatch and door status indicationElectronic access controlwww.southco.com/R4-EMR4-EM-05 Series – Compact SizeThe R4-EM-05 Series provides push to close convenience with electronic release in a compact design. The microprocessor controlled gear motor releases reliably under high loads while the integrated latch and door sensors ensure the application is secure. Operation confi gurations include auto re-lock and delayed re-lock. The integrated electronics easily connect with various R4-EM-05 access controls systems.