SFN Series Non-contact Safety Door Switches
InquirySFN series safety non-contact door switches use magnetic detection to monitor opening and closing of doors fitted with dedicated actuators. A dedicated controller supports up to 30 connected units. Vertical, horizontal and double-sided mounting accommodate different installation conditions.
Main Features
Electromagnetic detection method.
One SFC-N controller can connect up to 30 units.
Cable-with-connector models and cable/connector accessories reduce installation time.
Depending on the installation environment, it can be mounted on a door facing forward, backward, left or right, and reliably detects the actuator from any direction. (Patented)1)
A C-shaped design allows the two-color operation indicator to be viewed from three sides (ON: green; OFF: red).
IP67 protection rating (IEC standard).
When used with an SFC-N series controller for a non-contact safety switch, the system meets SIL 3 and PL e requirements.
Korean patent 10-2124203
US patent 16/477358.
Chinese patent 201880008654.5.
Korean design patent 30-1007539.
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Regional Products / city
- Anhui — SFN Series Non-contact Safety Door Switches
- Beijing — SFN Series Non-contact Safety Door Switches
- Chongqing — SFN Series Non-contact Safety Door Switches
- Fujian — SFN Series Non-contact Safety Door Switches
- Gansu — SFN Series Non-contact Safety Door Switches
- Guangdong — SFN Series Non-contact Safety Door Switches
- Guangxi — SFN Series Non-contact Safety Door Switches
- Guizhou — SFN Series Non-contact Safety Door Switches
- Hainan — SFN Series Non-contact Safety Door Switches
- Hebei — SFN Series Non-contact Safety Door Switches



