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 (GBP) 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 KEY SW, 2POS, MOM, KEY REMOVAL IN LEFT
Datasheet
1In Stock
Min.: 1
Mult.: 1

3SU1 Key Operated 22 mm 2-Position Keylock Switches 3SU1 Series Silver IP20, IP66, IP67, IP69
Siemens Switch Actuators KEY SW, 2POS, MTND, KEY REMOVAL IN LEFTH
Datasheet
4In Stock
Min.: 1
Mult.: 1

3SU1 Key Operated 22 mm 2-Position Keylock Switches 3SU1 Series Silver IP20, IP66, IP67, IP69
Siemens Switch Actuators KEY SW, 2POS, MTND, KEY REMOVAL IN ALL
Datasheet
4In Stock
Min.: 1
Mult.: 1

3SU1 Key Operated 22 mm 2-Position Keylock Switches 3SU1 Series Silver IP20, IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MTND, RED, FLUSH
Datasheet
6In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, RED, FLUSH
Datasheet
7In Stock
6Expected 19/02/2026
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, YEL, FLUSH
Datasheet
6In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Yellow IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, GRN, FLUSH
Datasheet
7In Stock
12Expected 16/03/2026
Min.: 1
Mult.: 1

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

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Blue IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, WHT, FLUSH
Datasheet
28In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series White IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, CLR, FLUSH
Datasheet
8In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Clear IP66, IP67, IP69
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, RED, RAISED
Datasheet
6In Stock
Min.: 1
Mult.: 1

3SU1 Raised Button 22 mm Pushbutton Switches 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators ILLUM 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 ILLUM 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 TWIN BUTTON, MOM, GREEN/RED
Datasheet
1In 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, GREEN/RED
Datasheet
10In Stock
Min.: 1
Mult.: 1

3SU1 Flat Button 22 mm Pushbutton Switches 3SU1 Series Green, Red IP66, IP67, IP69, IP69K
Siemens Switch Actuators INDICATOR LIGHT, RED, SMOOTH LENS
Datasheet
10In Stock
Min.: 1
Mult.: 1

3SU1 Smooth Lens 22 mm Indicator Lights 3SU1 Series Red IP66, IP67, IP69
Siemens Switch Actuators INDICATOR LIGHT, BLUE, SMOOTH LENS
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Smooth Lens 22 mm Indicator Lights 3SU1 Series Blue IP66, IP67, IP69
Siemens Switch Actuators Pushbutton, 22 mm, round,
Datasheet
9In Stock
Min.: 1
Mult.: 1

3SU1 Smooth Lens 22 mm Indicator Lights 3SU1 Series White IP66, IP67, IP69, IP69K
Siemens Switch Actuators SELECTOR SWITCH. O-I. BLACK
Datasheet
7In Stock
9Expected 25/02/2026
Min.: 1
Mult.: 1
3SU1 Short Handle 22 mm 2-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69, IP69K
Siemens Switch Actuators SEL SW, 2POS, MTND, SHORT HANDLE, GRN
Datasheet
10In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 2-Position Selector Switches 3SU1 Series Green IP66, IP67, IP69, IP69K
Siemens Switch Actuators SEL SW, 2POS, MTND, SHORT HANDLE, WHT
Datasheet
14In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 2-Position Selector Switches 3SU1 Series White IP66, IP67, IP69, IP69K
Siemens Switch Actuators SELECTOR SWITCH. I-O-II. BLACK
Datasheet
16In Stock
Min.: 1
Mult.: 1
3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series Black IP66, IP67, IP69, IP69K
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 Green IP66, IP67, IP69, IP69K
Siemens Switch Actuators SELECTOR SWITCH, 3POS, 22MM, ROUND
Datasheet
6In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series White IP66, IP67, IP69, IP69K
Siemens Switch Actuators SEL SW, 3POS, MOM, SHORT HANDLE, WHT
Datasheet
5In Stock
Min.: 1
Mult.: 1

3SU1 Short Handle 22 mm 3-Position Selector Switches 3SU1 Series White IP66, IP67, IP69, IP69K