The Southco Electronic Rotary Latch from Southco Inc.

Product Features and Benefits
A gear-motor drive distinguishes the R4-EM latch from competitive solenoid driven electromechanical latches – with lower power requirements, higher load capability, and a better feel to latch operation. The delayed re-lock version provides the flexibility of controlling the unlock time while monitoring remotely with an integral microswitch option.


- Proven all-metal rotary latch design provides durable vandal-resistant security
- Compact latch housing minimizes space requirements
- 12-24v DC operation and 2-wire or 3-wire input options
- Accepts access control signals from a wide variety of input devices
- Integrated solution and simple, two-bolt mounting enables low install cost
- Convenient mechanical override enables manual release during power failure

Standards and Specifications

- Delayed re-lock version for manual release
- Choice of two-wire or three-wire operating modes
- Optional internal microswitch for latch open/close output signal
- Available with or without a connector