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 (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Type
For Use With
Designed for
Color
IP Rating
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, GRN, RAISED
Datasheet
10In Stock
Min.: 1
Mult.: 1

3SU1 Raised Button 22 mm Pushbutton Switches 3SU1 Series Black IP66, IP67, IP69, IP69K
Siemens Switch Actuators TWIN BUTTON, MOM, GREEN/RED
Datasheet
2In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Green, Red IP66, IP67, IP69, IP69K
Siemens Switch Actuators TWIN BUTTON, MOM, WHITE/BLACK
Datasheet
6In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Black, White IP66, IP67, IP69, IP69K
Siemens Switch Actuators SEL SW, 2POS, MOM, SHORT HANDLE, WHT
Datasheet
1In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 2-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators SELECTOR SWITCH, O-I, BLACK
Datasheet
14In Stock
20Expected 2026-04-13
Min.: 1
Mult.: 1
3SU1 Short Handle 22 mm 2-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators SELECTOR SWITCH, I-O-II, BLACK
Datasheet
7In Stock
Min.: 1
Mult.: 1
3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators SEL SW, 3POS, MTND, SHORT HANDLE, GRN
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators SEL SW, 3POS, MOM, SHORT HANDLE, WHT
Datasheet
10In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators SELECTOR SWITCH. I-O<II. BLACK
Datasheet
8In Stock
Min.: 1
Mult.: 1
3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators SEL SW, 3POS, MOM/MTND,SHORT HANDLE, WHT
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MTND, GRN, FLUSH
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Green IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, BLK, FLUSH
Datasheet
60In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Black IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, RED, FLUSH
Datasheet
15In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, YEL, FLUSH
Datasheet
13In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Yellow IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, BLU, FLUSH
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Blue IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, WHT, FLUSH
Datasheet
1In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series White IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, RED, RAISED
Datasheet
9In Stock
Min.: 1
Mult.: 1

3SU1 Raised Button 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, PUSH PULL RED, MH CAP O40MM
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Mushroom 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, RED, MH CAP O40MM
Datasheet
3In Stock
Min.: 1
Mult.: 1

3SU1 Mushroom 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators PUSHBUTTON, MOM, YEL, MH CAP O40MM
Datasheet
10In Stock
Min.: 1
Mult.: 1

3SU1 Mushroom 22 mm Pushbutton Switches 3SU1 Series Yellow IP66, IP67, IP69
Siemens Switch Actuators EMERG-STOP, TWIST RELEASE RED MH O30MM
Datasheet
18In Stock
Min.: 1
Mult.: 1

3SU1 Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators EMERG-STOP, PUSH PULL RED MH CAP O40MM
Datasheet
6In Stock
Min.: 1
Mult.: 1

3SU1 Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators EMERG-STOP, TWIST RELEASE RED MH O40MM
Datasheet
11In Stock
Min.: 1
Mult.: 1

3SU1 Emergency Stop 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators EMERG-STOP,KEY RELEASE RED MH CAP O40MM
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Emergency Stop, Key Released 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators SELECTOR SWITCH. 22MM. ROUND. METAL. SHI
Datasheet
11In Stock
Min.: 1
Mult.: 1

3SU1 Rotary Knob 22 mm 4-Position Selector Switches 3SU1 Series White IP66, IP67, IP69, IP69K