Representative product-family image. The exact configuration may differ.
Southco
Southco R4-EM 4/6 Series Electronic Rotary Latches
Compact motorized rotary latches for cabinets and equipment enclosures, with auto-relock or delayed-relock variants and optional latch monitoring.
- Model / SKU
- R4-EM 4 / 6 Series
- Category
- Locks & Access
- Product type
- Cabinet rotary latch
- Role
- Actuator / load
Control & power
- Control type
- Dedicated interface
- Power supply
- 12–24 VDC recommended
Use the low-voltage control-signal input with continuous power connected. A suitably wired relay can switch the specified control voltage; this input is not a voltage-free sensing input.
A suitable smart controller can expose supported functions to Matter. The control type alone does not confirm electrical compatibility or actual position feedback.
Technical specifications
Selection & installation notes
- Select the exact 4/6-series part, trigger mode and microswitch option; other R4-EM series have different electrical specifications.
Sources & documentation (3)
- Southco R4-EM 4 / 6 Series product information ↗Reviewed Nov 5, 2026
- R4-EM 4 and 6 series wiring and operating instructions ↗Reviewed Nov 5, 2026
- Southco R4-EM 4/6 series technical sheet and product photograph ↗Reviewed Nov 5, 2026