The Southco R4-EM Electronic Rotary Latch product leaflet provides specifications, dimensions, mounting options, and operation details for the…
About this manual
The R4-EM Electronic Rotary Latch is an electromechanical latch that offers push‑to‑close, electronic release, and microprocessor control. It is available in indoor and outdoor versions, with options such as auto‑re‑lock, delayed re‑lock, internal microswitch, and sealed actuator for IP56 protection.
The leaflet lists mechanical dimensions, material finishes, electrical specifications, and part numbers. It also describes mounting styles (¼‑20, M6, thru‑hole), optional connectors, and wiring details, helping users select the correct configuration for their application.
What's inside
- Dimensions
- Material & Finish
- Electrical Specifications
- Operation – Light Cam Spring
- Operation – Strong Cam Spring
- Mounting Options
- Optional Features
- Part Number Selection
- Outdoor Version
Specifications
| Recommended Operating Voltage | 12 to 24 Volt DC |
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| Typical Operating Current (no load) | Less than 600 mA at 12 VDC |
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| Input Signal Current Draw | 25 mA max at 24 VDC |
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| Microswitch Rating | 3 A max at 12 VDC |
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| Overall Length (example size) | 69.0 mm |
Frequently asked questions
What voltage does the R4-EM latch require?
It operates on a 12 V to 24 V DC power supply.
How much current does the latch draw at no load?
The typical operating current is less than 600 mA at 12 VDC.
Is an internal microswitch optional?
Yes, an optional internal microswitch provides an output signal and is rated 3 A at 12 VDC.
What are the mounting hole options?
Mounting holes are provided for ¼‑20, M6, or Ø7.0 mm through‑hole configurations.