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SIRIUS ACT 3SU1 Pushbuttons & E-Stops

Siemens SIRIUS ACT 3SU1 Pushbuttons and E-Stops are a modular, tried-and-tested, complete range of pushbuttons and indicator lights in a round design. These plastic or metal pushbuttons supply an ideal solution for various applications. 3SU1 Pushbuttons and E-Stops include rugged metal control devices with IP67 degree of protection/NEMA 4. These Siemens SIRIUS ACT 3SU1 products are quick, easy to install, and provide dependable operation.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Type	Contact Form	Switch Function	Mounting Style
Switch Contact Blocks / Switch Kits CONTACT MODULE 2NO 3SU14001AA101DA0 Siemens 1: $45.50 160In Stock	Mfr. Part No. 3SU14001AA101DA0 Mouser Part No 982-3SU14001AA101DA0	Siemens	Switch Contact Blocks / Switch Kits CONTACT MODULE 2NO Learn More about Siemens 3su1 pushbuttons	Datasheet	160In Stock	$45.50 $40.55 $38.44 $36.31 View $34.81 $33.67	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	2 NO			Panel Mount
Switch Contact Blocks / Switch Kits CONTACT MODULE 2NO 3SU14001AA103DA0 Siemens 1: $59.77 50In Stock	Mfr. Part No. 3SU14001AA103DA0 Mouser Part No 982-3SU14001AA103DA0	Siemens	Switch Contact Blocks / Switch Kits CONTACT MODULE 2NO Learn More about Siemens 3su1 pushbuttons	Datasheet	50In Stock	$59.77 $52.91 $49.57 $47.50 $47.41	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	2 NO			Panel Mount
Emergency Stop Switches / E-Stop Switches ENC PLASTIC,EMERG STOP TWIST-RELEASE,2NC 3SU18010NB002AC2 Siemens 1: $257.61 18In Stock	Mfr. Part No. 3SU18010NB002AC2 Mouser Part No 982-3SU18010NB002AC2	Siemens	Emergency Stop Switches / E-Stop Switches ENC PLASTIC,EMERG STOP TWIST-RELEASE,2NC Learn More about Siemens 3su1 pushbuttons	Datasheet	18In Stock	$257.61 $229.52 $225.55	Min.: 1 Mult.: 1	Emergency Stop Switches	Control Station	DPST	ON - OFF	Floor Mount
Switch Contact Blocks / Switch Kits LED MODULE, WHT,24-240VAC,SCREW TERMINAL 3SU14011BH601AA0 Siemens 1: $63.27 21In Stock	Mfr. Part No. 3SU14011BH601AA0 Mouser Part No 982-3SU14011BH601AA0	Siemens	Switch Contact Blocks / Switch Kits LED MODULE, WHT,24-240VAC,SCREW TERMINAL Learn More about Siemens 3su1 pushbuttons	Datasheet	21In Stock	$63.27 $56.02 $52.54 $50.36 $49.83	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	LED Module			Panel Mount
Switch Actuators KEY SW, 2POS, MTND, KEY REMOVAL IN ALL 3SU10505BF110AA0 Siemens 1: $205.56 4In Stock	Mfr. Part No. 3SU10505BF110AA0 Mouser Part No 982-3SU10505BF110AA0	Siemens	Switch Actuators KEY SW, 2POS, MTND, KEY REMOVAL IN ALL Learn More about Siemens 3su1 pushbuttons	Datasheet	4In Stock	$205.56 $183.19 $183.17 $177.34	Min.: 1 Mult.: 1	Switch Actuators	Key Operated			Panel Mount
Switch Actuators SEL SW, 3POS, MTND, SHORT HANDLE, WHT 3SU10022BL600AA0 Siemens 1: $20.08 376In Stock	Mfr. Part No. 3SU10022BL600AA0 Mouser Part No 982-3SU10022BL600AA0	Siemens	Switch Actuators SEL SW, 3POS, MTND, SHORT HANDLE, WHT Learn More about Siemens 3su1 pushbuttons	Datasheet	376In Stock	$20.08 $17.40 $17.24 $16.49 View $15.54 $14.56	Min.: 1 Mult.: 1	Switch Actuators	Short Handle			Panel Mount
Switch Actuators ILLUM EMERG-STOP,TWIST REL RED MH O40MM 3SU10511HB200AA0 Siemens 1: $64.28 30In Stock 24Expected 30/11/2026	Mfr. Part No. 3SU10511HB200AA0 Mouser Part No 982-3SU10511HB200AA0	Siemens	Switch Actuators ILLUM EMERG-STOP,TWIST REL RED MH O40MM Learn More about Siemens 3su1 pushbuttons	Datasheet	30In Stock 24Expected 30/11/2026	$64.28 $57.75 $52.16 $49.97 $49.76	Min.: 1 Mult.: 1	Switch Actuators	Emergency Stop			Panel Mount
Pushbutton Switches - Industrial ILLUMINATED PUSHBUTTON, MOM, GRN, FLUSH 3SU11520AB401BA0 Siemens 1: $119.49 19In Stock	Mfr. Part No. 3SU11520AB401BA0 Mouser Part No 982-3SU11520AB401BA0	Siemens	Pushbutton Switches - Industrial ILLUMINATED PUSHBUTTON, MOM, GRN, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	19In Stock	$119.49 $119.14 $105.00 $92.85 View $86.36 Quote	Min.: 1 Mult.: 1	Pushbutton Switches	Pushbutton	SPST-NO	OFF - ON	Panel Mount
Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NO, FOR FRONT MOUNTING 3SU14001AA101BA0 Siemens 1: $22.92 329In Stock 305Expected 16/10/2026	Mfr. Part No. 3SU14001AA101BA0 Mouser Part No 982-3SU14001AA101BA0	Siemens	Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NO, FOR FRONT MOUNTING Learn More about Siemens 3su1 pushbuttons	Datasheet	329In Stock 305Expected 16/10/2026	$22.92 $20.21 $19.10 $18.39 View $17.89 $16.66 $16.62	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	1 NO			Panel Mount
Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NC, FOR FRONT MOUNTING 3SU14001AA101CA0 Siemens 1: $24.36 150In Stock 120Expected 06/11/2026	Mfr. Part No. 3SU14001AA101CA0 Mouser Part No 982-3SU14001AA101CA0	Siemens	Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NC, FOR FRONT MOUNTING Learn More about Siemens 3su1 pushbuttons	Datasheet	150In Stock 120Expected 06/11/2026	$24.36 $21.40 $20.17 $19.29 View $18.45 $16.97 $16.62	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	1 NC			Panel Mount
Switch Contact Blocks / Switch Kits CONTACT MODULE 1NO+1NC 3SU14001AA101FA0 Siemens 1: $45.81 74In Stock 45Expected 06/11/2026	Mfr. Part No. 3SU14001AA101FA0 Mouser Part No 982-3SU14001AA101FA0	Siemens	Switch Contact Blocks / Switch Kits CONTACT MODULE 1NO+1NC Learn More about Siemens 3su1 pushbuttons	Datasheet	74In Stock 45Expected 06/11/2026	$45.81 $40.55 $38.44 $36.32 View $35.73 $33.67	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	1 NO + 1 NC			Panel Mount
Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NC W/CAGE CLAMP, BASE MT 3SU14002AA103CA0 Siemens 1: $26.99 81In Stock	Mfr. Part No. 3SU14002AA103CA0 Mouser Part No 982-3SU14002AA103CA0	Siemens	Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NC W/CAGE CLAMP, BASE MT Learn More about Siemens 3su1 pushbuttons	Datasheet	81In Stock	$26.99 $23.83 $22.03 $21.71 View $20.46 $19.56	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	1 NC			Panel Mount
Switch Contact Blocks / Switch Kits LED MODULE, 24V AC/DC, GREEN, SCREW TERM 3SU14011BB401AA0 Siemens 1: $60.88 62In Stock	Mfr. Part No. 3SU14011BB401AA0 Mouser Part No 982-3SU14011BB401AA0	Siemens	Switch Contact Blocks / Switch Kits LED MODULE, 24V AC/DC, GREEN, SCREW TERM Learn More about Siemens 3su1 pushbuttons	Datasheet	62In Stock	$60.88 $53.89 $50.55 $48.44 $48.01	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	LED Module			Panel Mount
Switch Contact Blocks / Switch Kits LED MODULE, GRN,24-240VAC,SCREW TERMINAL 3SU14011BH401AA0 Siemens 1: $67.04 47In Stock	Mfr. Part No. 3SU14011BH401AA0 Mouser Part No 982-3SU14011BH401AA0	Siemens	Switch Contact Blocks / Switch Kits LED MODULE, GRN,24-240VAC,SCREW TERMINAL Learn More about Siemens 3su1 pushbuttons	Datasheet	47In Stock	$67.04 $62.72 $52.12 $49.83	Min.: 1 Mult.: 1	Switch Contact Blocks / Switch Kits	LED Module			Panel Mount
Emergency Stop Switches / E-Stop Switches ENC PLASTIC,EMERG STOP TWIST-RELEASE,1NC 3SU18010NA002AC2 Siemens 1: $251.67 7In Stock	Mfr. Part No. 3SU18010NA002AC2 Mouser Part No 982-3SU18010NA002AC2	Siemens	Emergency Stop Switches / E-Stop Switches ENC PLASTIC,EMERG STOP TWIST-RELEASE,1NC Learn More about Siemens 3su1 pushbuttons	Datasheet	7In Stock	$251.67 $226.06 $219.89	Min.: 1 Mult.: 1	Emergency Stop Switches	Control Station	SPST	ON - OFF	Floor Mount
Emergency Stop Switches / E-Stop Switches ENC METAL, EMERG STOP TWIST-RELEASE,2NC 3SU18510NB002AC2 Siemens 1: $300.19 23In Stock	Mfr. Part No. 3SU18510NB002AC2 Mouser Part No 982-3SU18510NB002AC2	Siemens	Emergency Stop Switches / E-Stop Switches ENC METAL, EMERG STOP TWIST-RELEASE,2NC Learn More about Siemens 3su1 pushbuttons	Datasheet	23In Stock	$300.19 $282.33 $274.60	Min.: 1 Mult.: 1	Emergency Stop Switches	Control Station	DPST	ON - OFF	Floor Mount
Switch Actuators PUSHBUTTON, MTND, RED, FLUSH 3SU10000AA200AA0 Siemens 1: $23.24 10In Stock	Mfr. Part No. 3SU10000AA200AA0 Mouser Part No 982-3SU10000AA200AA0	Siemens	Switch Actuators PUSHBUTTON, MTND, RED, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	10In Stock	$23.24 $21.66 $20.01 $19.14 View $18.30 $17.25 $16.49	Min.: 1 Mult.: 1	Switch Actuators	Flat Button
Switch Actuators PUSHBUTTON, MTND, YEL, FLUSH 3SU10000AA300AA0 Siemens 1: $23.33 12In Stock	Mfr. Part No. 3SU10000AA300AA0 Mouser Part No 982-3SU10000AA300AA0	Siemens	Switch Actuators PUSHBUTTON, MTND, YEL, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	12In Stock	$23.33 $21.67 $20.01 $19.14 View $18.30 $17.25 $16.49	Min.: 1 Mult.: 1	Switch Actuators	Flat Button
Switch Actuators HBUTTON, MOM, BLK, FLUSH 3SU10000AB100AA0 Siemens 1: $11.09 23In Stock	Mfr. Part No. 3SU10000AB100AA0 Mouser Part No 982-3SU10000AB100AA0	Siemens	Switch Actuators HBUTTON, MOM, BLK, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	23In Stock	$11.09 $9.83 $9.27 $8.87 View $8.48 $7.99 $7.64 $7.31	Min.: 1 Mult.: 1	Switch Actuators	Flat Button
Switch Actuators PUSHBUTTON, MOM, RED, FLUSH 3SU10000AB200AA0 Siemens 1: $10.28 6In Stock 8Expected 30/11/2026	Mfr. Part No. 3SU10000AB200AA0 Mouser Part No 982-3SU10000AB200AA0	Siemens	Switch Actuators PUSHBUTTON, MOM, RED, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	6In Stock 8Expected 30/11/2026	$10.28 $9.27 $8.87 $8.48 View $7.99 $7.64 $7.31	Min.: 1 Mult.: 1	Switch Actuators	Flat Button
Switch Actuators PUSHBUTTON, MOM, YEL, FLUSH 3SU10000AB300AA0 Siemens 1: $10.28 24In Stock	Mfr. Part No. 3SU10000AB300AA0 Mouser Part No 982-3SU10000AB300AA0	Siemens	Switch Actuators PUSHBUTTON, MOM, YEL, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	24In Stock	$10.28 $9.27 $8.87 $8.48 View $7.99 $7.64 $7.31	Min.: 1 Mult.: 1	Switch Actuators	Flat Button
Switch Actuators PUSHBUTTON, MOM, GRN, FLUSH 3SU10000AB400AA0 Siemens 1: $10.28 21In Stock	Mfr. Part No. 3SU10000AB400AA0 Mouser Part No 982-3SU10000AB400AA0	Siemens	Switch Actuators PUSHBUTTON, MOM, GRN, FLUSH Learn More about Siemens 3su1 pushbuttons	Datasheet	21In Stock	$10.28 $9.27 $8.87 $8.48 View $7.99 $7.64 $7.31	Min.: 1 Mult.: 1	Switch Actuators	Flat Button
Switch Actuators PUSHBUTTON, MOM, BLK, RAISED 3SU10000BB100AA0 Siemens 1: $15.21 8In Stock	Mfr. Part No. 3SU10000BB100AA0 Mouser Part No 982-3SU10000BB100AA0	Siemens	Switch Actuators PUSHBUTTON, MOM, BLK, RAISED Learn More about Siemens 3su1 pushbuttons	Datasheet	8In Stock	$15.21 $13.45 $12.75 $12.36 View $11.65 $11.14	Min.: 1 Mult.: 1	Switch Actuators	Raised Button			Panel Mount
Switch Actuators PUSHBUTTON, PUSH PULL RED, MH CAP O30MM 3SU10001AA200AA0 Siemens 1: $51.71 10In Stock	Mfr. Part No. 3SU10001AA200AA0 Mouser Part No 982-3SU10001AA200AA0	Siemens	Switch Actuators PUSHBUTTON, PUSH PULL RED, MH CAP O30MM Learn More about Siemens 3su1 pushbuttons	Datasheet	10In Stock	$51.71 $51.18 $50.63 View Quote	Min.: 1 Mult.: 1	Switch Actuators	Jumbo Mushroom			Panel Mount
Switch Actuators PUSHBUTTON, MOM, RED, MH CAP O40MM 3SU10001BD200AA0 Siemens 1: $33.06 7In Stock	Mfr. Part No. 3SU10001BD200AA0 Mouser Part No 982-3SU10001BD200AA0	Siemens	Switch Actuators PUSHBUTTON, MOM, RED, MH CAP O40MM Learn More about Siemens 3su1 pushbuttons	Datasheet	7In Stock	$33.06 $28.93 $27.35 $25.94 View $24.83 $24.25	Min.: 1 Mult.: 1	Switch Actuators	Jumbo Mushroom			Panel Mount