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 (EUR) 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 Fixings LABEL HOLDER, 12.5x27MM, ROUNDED BOTTOM
Datasheet
60In Stock
40Expected 02/03/2026
Min.: 1
Mult.: 1

Accessories Label Holder Labeling Plate 3SU1 Series
Siemens Switch Fixings LABEL HOLDER, 17.5 X 27MM,ROUNDED BOTTOM
Datasheet
76In Stock
Min.: 1
Mult.: 1

Accessories Label Holder Labeling Plate 3SU1 Series
Siemens Switch Fixings BACKING PLATE, YLW, O.D. 75MM,EMERG STOP
Datasheet
21In Stock
Min.: 1
Mult.: 1

Accessories Backing Plate Emergency Stop Switches 3SU1 Series
Siemens Switch Bezels / Switch Caps SEALABLE CAP F. FLAT PUSHBUTTON, CLEAR
Datasheet
13In Stock
Min.: 1
Mult.: 1

Caps Cap, Flat 22 mm Pushbutton Switches 3SU1 Series
Siemens Switch Bezels / Switch Caps PROTECTIVE CAP,CLEAR, F. FLAT ROUND P.B.
Datasheet
3In Stock
Min.: 1
Mult.: 1

Caps Protective Cap 3SU1 Series 3SU1 Series
Siemens Switch Bezels / Switch Caps PROTECTIVE CAP,CLEAR, F. EM, MH CAP 40MM
Datasheet
6In Stock
Min.: 1
Mult.: 1

Caps Protective Cap Pushbutton Switches 3SU1 Series
Siemens Switch Bezels / Switch Caps PROTECTIVE CAP,CLEAR, F. FLAT TWIN P.B.
Datasheet
5In Stock
Min.: 1
Mult.: 1

Caps Protective Cap Twin Pushbutton Switches 3SU1 Series
Siemens Switch Cases / Switch Covers PROTECTIVE COLLAR, YELLOW,F. EM STOP
Datasheet
9In Stock
Min.: 1
Mult.: 1

Covers Protective Collar Pushbutton Switches 3SU1 Series
Siemens Switch Cases / Switch Covers PROTECTIVE COLLAR,360 DEG, YLW,F. E-STOP
Datasheet
2In Stock
Min.: 1
Mult.: 1

Covers Protective Collar Pushbutton Switches 3SU1 Series
Siemens Switch Actuators EXTENTION PLUNGER FOR OVERLOAD RESET
Datasheet
21In Stock
Min.: 1
Mult.: 1

Actuators Extension Plunger Pushbutton Switches 3SU1 Series
Siemens Switch Cases / Switch Covers PROTECTIVE COLLAR FOR MH 40MM,360 , METL
Datasheet
6In Stock
Min.: 1
Mult.: 1

Covers Protective Collar Pushbutton Switches 3SU1 Series
Siemens Switch Fixings LOCKING DEV. FOR FLAT BUTTON,RAISED RING
Datasheet
5In Stock
Min.: 1
Mult.: 1

Hardware Locking Pushbutton Switches 3SU1 Series
Siemens Switch Fixings LOCKING DEVICE FOR MH CAP, 30MM OR 40MM
Datasheet
3In Stock
Min.: 1
Mult.: 1

Hardware Locking Pushbutton Switches 3SU1 Series
Siemens Switch Fixings LOCKING DEVICE COVER FOR PB,SS-SHRT,KNOB
Datasheet
8In Stock
Min.: 1
Mult.: 1

Hardware Locking Pushbutton Switches 3SU1 Series
Siemens Switch Fixings SEALING PLUG IP69K, 22MM, METAL, SILVER
Datasheet
9In Stock
Min.: 1
Mult.: 1

Accessories Sealing Plug Pushbutton Switches 3SU1 Series
Siemens Switch Fixings KEY RONIS LOCK NO. SB30
Datasheet
2In Stock
Min.: 1
Mult.: 1

Hardware Key Lock SB30 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY RONIS LOCK NO. 455
Datasheet
4In Stock
Min.: 1
Mult.: 1

Hardware Key Lock 455 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY O.M.R. LOCK NO. 73038, LIGHT BLUE
Datasheet
13In Stock
Min.: 1
Mult.: 1

Hardware Key Lock 73038 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY O.M.R. LOCK NO. 73037, RED
Datasheet
15In Stock
Min.: 1
Mult.: 1

Hardware Key Lock 73037 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY O.M.R. LOCK NO. 73034, BLACK
Datasheet
5In Stock
Min.: 1
Mult.: 1

Hardware Key Lock 73034 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY O.M.R. LOCK NO. 73033, YELLOW
Datasheet
14In Stock
Min.: 1
Mult.: 1

Hardware Key Lock 73033 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY CES LOCK NO. LSG 1
Datasheet
10In Stock
Min.: 1
Mult.: 1

Hardware Key Lock LSG1 Key-operated Switches 3SU1 Series
Siemens Switch Fixings KEY CES LOCK NO. SSG 10
Datasheet
1In Stock
23Expected 27/03/2026
Min.: 1
Mult.: 1

Hardware Key Lock SSG10 Key-operated Switches 3SU1 Series
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, RED, FLUSH
Datasheet
5Expected 13/03/2026
Min.: 1
Mult.: 1

Actuators Flat Button 22 mm Pushbutton Switches 3SU1 Series Panel Mount
Siemens Switch Actuators ILLUMINATED PUSHBUTTON, MOM, WHT, FLUSH
Datasheet
4Expected 16/03/2026
Min.: 1
Mult.: 1

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