Autonics SFN-M-050 Safety Non-Contact Door Switches
SFN-M-050 Autonics Safety Non-Contact Door Switches operate at 100 Hz frequency with non-contact sensing for industrial automation applications use. Manufactured by Autonics, this device is part of Autonics Safety Non-Contact Door Switches within the SFD Series, supporting 100 Hz operating frequency, non-contact operation, and approximate 199.5 g weight for compact safety installations.

| Brand | Autonics |
| Product Type | Safety Door Switch |
| Model Number | SFN-M-050 |
Autonics SFN-M-050 Safety Non-Contact Door Switches
| Specification | Value |
|---|---|
| Operating frequency | 100Hz |
| Vibration_Malfunction | 1.0 mm amplitude at frequency of 10 to 55 Hzin each X, Y, Z direction for 10 min |
| Shock | 300m/s² (approx. 30G) in each X, Y, Z direction for 3 times |
| Shock_Malfunction | 300m/s² (approx. 30G) in each X, Y, Z direction in output ON/OFF status for 3 times |
| Protection structure | IP67(IEC standard) |
| Material | Body/CAP: PC |
| Operation distance_OFF→ON | ≥ 5 mm |
| Operation distance_ON→OFF | ≤ 15 mm |
| Power supply | 24VDC@(=)±10% |
| Power consumption | ≤ 400mA |
| Sub output | PNP open collector output - 24 VDC, 10 mA |
| Operation indicator | ON: green, OFF: red |
| Life expectancy | ≥ 20,000,000 times (with low load) |
| Protection circuit | Surge protection circuit, output short over current protection circuit, reverse polarity protection circuit |
| Dielectric strength | 1,500 VAC~ 50/60Hz for 1 minute |
| Vibration | 1.0 mm amplitude at frequency of 10 to 55 Hzin each X, Y, Z direction for 2 hours |
| Ambient temperature | -10 to 55℃, storage: -20 to 60℃ |
| Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Connection | Cable type |
| Connector type | M12 Connector |
| Insulation resistance | ≥ 50 MΩ (500 VDC@(=) megger) |
| Weight | Approx. 199.5g(approx. 214.8g) |
The Autonics SFN-M-050 Safety Non-Contact Door Switches are safety monitoring devices used in industrial automation environments. This model supports 100 Hz operating frequency and uses non-contact sensing to detect guard door positions without mechanical wear. It belongs to the SFD Series and is applied where reliable door status monitoring is required in machine safety circuits.
In industrial applications, SFN-M-050 Autonics Safety Non-Contact Door Switches are installed on safety guards, packaging machines, conveyors, and automated assembly systems. The non-contact operating principle supports consistent detection during repeated machine cycles. Stable switching behavior helps maintain controlled access monitoring without physical actuator engagement.
SFN-M-050 Autonics Safety Non-Contact Door Switches provide dependable safety detection through electronic sensing and defined operating frequency. The lightweight construction and non-contact design support long-term use in industrial environments. As part of the SFD Series, this model reflects established Autonics manufacturing standards and is suitable for industrial automation systems requiring reliable door position monitoring.




