![[AUTONICS] SF2ER Series Round Mount Emergency Stop Switches](https://img.prosourcemro.com/2026/04/001-1333.png)
Safety Switch
Autonics
[AUTONICS] SF2ER Series Round Mount Emergency Stop Switches
Family ID: AUTONICS-SF2ER-SERIES
Ø 22/25 mm round mount emergency stop switches. Easy contact block installation/removal using levers. Up to 3 contact blocks per switch. O type and Y type terminal compatibility. Direct opening mechanism prevents contact welding errors. Optional protection guard ring (SEM-S2), name plates Ø 60/Ø 90, and radial support accessories. EN 60947-5-1, EN ISO 13850, UL 508, S-Mark certified. IP65 rated.
12 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| AUTONICS-SF2ER-22-01-Y | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 22 mm mounting | 1 NC contact mechanical | 220 VAC/220 VDC | Screw terminal Y terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-22-01-O | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 22 mm mounting | 1 NC contact mechanical | 220 VAC/220 VDC | Screw terminal O terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-22-02-Y | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 22 mm mounting | 2 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal Y terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-22-02-O | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 22 mm mounting | 2 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal O terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-22-03-Y | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 22 mm mounting | 3 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal Y terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-22-03-O | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 22 mm mounting | 3 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal O terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-25-01-Y | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 25 mm mounting | 1 NC contact mechanical | 220 VAC/220 VDC | Screw terminal Y terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-25-01-O | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 25 mm mounting | 1 NC contact mechanical | 220 VAC/220 VDC | Screw terminal O terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-25-02-Y | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 25 mm mounting | 2 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal Y terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-25-02-O | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 25 mm mounting | 2 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal O terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-25-03-Y | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 25 mm mounting | 3 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal Y terminal | IP65 | direct opening 250000 mech / 100000 elec life | ||
| AUTONICS-SF2ER-25-03-O | — | AUTONICS | Emergency stop switch | SF2ER Series | Round mount mushroom head | Ø 25 mm mounting | 3 NC contacts mechanical | 220 VAC/220 VDC | Screw terminal O terminal | IP65 | direct opening 250000 mech / 100000 elec life |
