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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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product
Type
For Use With
Designed for
Mounting Style
Siemens Switch Contact Blocks / Switch Kits CONTACT MODULE 2NO
Datasheet
160In Stock
Min.: 1
Mult.: 1

Contact Blocks 2 NO Panel Mount
Siemens Switch Contact Blocks / Switch Kits CONTACT MODULE 2NO
Datasheet
50In Stock
Min.: 1
Mult.: 1

Contact Blocks 2 NO Panel Mount
Siemens Switch Actuators KEY SW, 2POS, MTND, KEY REMOVAL IN ALL
Datasheet
4In Stock
Min.: 1
Mult.: 1

Keylock Switch Actuators Key Operated 22 mm 2-Position Keylock Switches 3SU1 Series Panel Mount
Siemens Switch Actuators SEL SW, 3POS, MTND, SHORT HANDLE, WHT
Datasheet
376In Stock
Min.: 1
Mult.: 1

Selector Switch Actuators Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Panel Mount
Siemens Switch Actuators ILLUM EMERG-STOP,TWIST REL RED MH O40MM
Datasheet
30In Stock
24Expected 11/30/2026
Min.: 1
Mult.: 1

Emergency Switch Actuators Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NO, FOR FRONT MOUNTING
Datasheet
344In Stock
305Expected 10/16/2026
Min.: 1
Mult.: 1

Contact Blocks 1 NO Panel Mount
Siemens Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NC, FOR FRONT MOUNTING
Datasheet
184In Stock
Min.: 1
Mult.: 1

Contact Blocks 1 NC Panel Mount
Siemens Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NC W/CAGE CLAMP, BASE MT
Datasheet
81In Stock
Min.: 1
Mult.: 1

Contact Blocks 1 NC Floor Mounting 3SU1 Series Panel Mount
Siemens Switch Contact Blocks / Switch Kits LED MODULE, GRN,24-240VAC,SCREW TERMINAL
Datasheet
47In Stock
Min.: 1
Mult.: 1

Contact Blocks LED Module Front Plate Mounting 3SU1 Series Panel Mount
Siemens Switch Contact Blocks / Switch Kits HOLDER, 3 MODULES, UNIVERSAL
Datasheet
856On Order
Min.: 1
Mult.: 1

Holder, 3-Way 3SU1 Series
Siemens Switch Actuators PUSHBUTTON, MTND, RED, FLUSH
Datasheet
10In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Actuators PUSHBUTTON, MTND, YEL, FLUSH
Datasheet
12In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Actuators HBUTTON, MOM, BLK, FLUSH
Datasheet
23In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Actuators PUSHBUTTON, MOM, RED, FLUSH
Datasheet
12In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Actuators PUSHBUTTON, MOM, YEL, FLUSH
Datasheet
24In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Actuators PUSHBUTTON, MOM, GRN, FLUSH
Datasheet
21In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Actuators PUSHBUTTON, MOM, BLK, RAISED
Datasheet
8In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Raised Button 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators PUSHBUTTON, PUSH PULL RED, MH CAP O30MM
Datasheet
10In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Jumbo Mushroom 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators PUSHBUTTON, MOM, RED, MH CAP O40MM
Datasheet
7In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Jumbo Mushroom 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators PUSHBUTTON, MOM, BLK, MH CAP O60MM
Datasheet
10In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Jumbo Mushroom 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators PUSHBUTTON, MOM, GRN, MH CAP 60MM
Datasheet
1In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Jumbo Mushroom 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators EMERG-STOP, TWIST RELEASE RED MH O30MM
Datasheet
8In Stock
Min.: 1
Mult.: 1

Emergency Switch Actuators Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators EMERG-STOP, PUSH PULL RED MH CAP O40MM
Datasheet
2In Stock
3Expected 10/13/2026
Min.: 1
Mult.: 1

Emergency Switch Actuators Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators E-STOP MUSHROOM PUSHBUTTON, ROUND, RED
Datasheet
17In Stock
Min.: 1
Mult.: 1

Emergency Switch Actuators Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators TWIN BUTTON, MOM, GREEN/RED
Datasheet
5In Stock
Min.: 1
Mult.: 1

Pushbutton Switch Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series Panel Mount