Autonics SF2ER Series Round Mount Emergency Stop Switches

Ø 22/25 mm round mount emergency stop switches.

Key features

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

SF2ER-22-01-Y		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
SF2ER-22-01-O		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
SF2ER-22-02-Y		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
SF2ER-22-02-O		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
SF2ER-22-03-Y		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
SF2ER-22-03-O		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
SF2ER-25-01-Y		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
SF2ER-25-01-O		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
SF2ER-25-02-Y		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
SF2ER-25-02-O		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
SF2ER-25-03-Y		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
SF2ER-25-03-O		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

Safety SwitchAutonics

12 product codes available in this family

Sourced direct from KoreaExport-ready supplyCompetitive pricing

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Autonics SF2ER Series Round Mount Emergency Stop Switches

Brand Autonics·Safety Switch

Available part numbers (12)

SF2ER-22-01-Y, SF2ER-22-01-O, SF2ER-22-02-Y, SF2ER-22-02-O, SF2ER-22-03-Y, SF2ER-22-03-O, SF2ER-25-01-Y, SF2ER-25-01-O, SF2ER-25-02-Y, SF2ER-25-02-O + 2 more — see full table ↓

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Send the Autonics part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	SF2ER-22-01-Y	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
	SF2ER-22-01-O	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
	SF2ER-22-02-Y	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
	SF2ER-22-02-O	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
	SF2ER-22-03-Y	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
	SF2ER-22-03-O	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
	SF2ER-25-01-Y	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
	SF2ER-25-01-O	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
	SF2ER-25-02-Y	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
	SF2ER-25-02-O	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
	SF2ER-25-03-Y	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
	SF2ER-25-03-O	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

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Autonics SF2ER Series Round Mount Emergency Stop Switches