.hide-partial { max-height: none; } .show-more { display: none; }

51 Series Switch Actuators

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 62

Applied Filters:

Series = 51

Type

For Use With

Designed for

Color

IP Rating

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Switch Actuators Indicator-actuator D18

51-032.0
EAO
1: $24.24
9In Stock

Mfr. Part No.
51-032.0

Mouser Part No
123-51-032.0

EAO

Switch Actuators Indicator-actuator D18

Datasheet

9In Stock

$24.24

$14.19

$14.05

$13.27

View

Min.: 1
Mult.: 1

Switch Actuators

51-136.025D2
EAO
1: $125.48
2In Stock
New At Mouser

Mfr. Part No.
51-136.025D2

Mouser Part No
123-51-136.025D2

New At Mouser

EAO

Switch Actuators

Datasheet

2In Stock

$125.48

$112.24

$104.71

$100.61

View

Min.: 1
Mult.: 1

Rest-Maintained

Keylock Switches

31 Series

Black

Switch Actuators

51-262.0252
EAO
1: $80.87
3In Stock
New At Mouser

Mfr. Part No.
51-262.0252

Mouser Part No
123-51-2620252

New At Mouser

EAO

Switch Actuators

Datasheet

3In Stock

$80.87

$70.18

$65.76

$62.91

View

Min.: 1
Mult.: 1

Maintained, Rectangular

Illuminated Pushbuttons

31 Series

Black

IP65

Switch Actuators 16mm, STP SWTC,

51-256.025
EAO
1: $47.44
229In Stock

Mfr. Part No.
51-256.025

Mouser Part No
123-51-256.025

EAO

Switch Actuators 16mm, STP SWTC,

Learn More

Datasheet

229In Stock

$47.44

$47.43

$47.20

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Switch Actuators 16mm, STP SWTC,

51-253.022
EAO
1: $55.63
53In Stock
16Expected 23/3/2026

Mfr. Part No.
51-253.022

Mouser Part No
123-51-253.022

EAO

Switch Actuators 16mm, STP SWTC,

Learn More

Datasheet

53In Stock

16Expected 23/3/2026

$55.63

$55.61

$53.74

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Bulk

Switch Actuators LPB MNT REC LL

51-030.002
EAO
1: $16.32
69In Stock

Mfr. Part No.
51-030.002

Mouser Part No
123-51-030.002

EAO

Switch Actuators LPB MNT REC LL

Datasheet

69In Stock

$16.32

$16.30

$16.28

$16.26

Min.: 1
Mult.: 1

Switch Actuators IND REC BLK SLDR

51-040.005
EAO
1: $16.32
15In Stock

Mfr. Part No.
51-040.005

Mouser Part No
123-51-040.005

EAO

Switch Actuators IND REC BLK SLDR

Learn More

Datasheet

15In Stock

$16.32

$16.24

$15.67

$15.25

Quote

Min.: 1
Mult.: 1

Indicator Actuator

Pushbutton Switches

51 Series

Switch Actuators FL LENILPB&PLBC

51-051.006
EAO
1: $22.25
15In Stock

Mfr. Part No.
51-051.006

Mouser Part No
123-51-051.006

EAO

Switch Actuators FL LENILPB&PLBC

Datasheet

15In Stock

$22.25

$21.84

$21.07

$20.79

Min.: 1
Mult.: 1

Indicator Actuator

Pushbutton Switches

51 Series

IP65

Switch Actuators DRESSING TOOL

51-136.025D
EAO
1: $116.48
1In Stock

Mfr. Part No.
51-136.025D

Mouser Part No
123-51-136.025D

EAO

Switch Actuators DRESSING TOOL

Datasheet

1In Stock

$116.48

$115.45

$114.54

View

Min.: 1
Mult.: 1

Rest-Maintained

Keylock Switches

31 Series

Black

Switch Actuators STP SWTC W-ANTI TWIST RELEASE 2N.C

51-252.026
EAO
1: $52.28
26In Stock
36Expected 20/4/2026

Mfr. Part No.
51-252.026

Mouser Part No
123-51-252.026

EAO

Switch Actuators STP SWTC W-ANTI TWIST RELEASE 2N.C

Learn More

Datasheet

26In Stock

36Expected 20/4/2026

$52.28

$51.68

$51.60

$51.58

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Switch Actuators STP SWTC W-ANTI TWIST RELEASE 1N.C

51-256.026
EAO
1: $46.91
22In Stock

Mfr. Part No.
51-256.026

Mouser Part No
123-51-256.026

EAO

Switch Actuators STP SWTC W-ANTI TWIST RELEASE 1N.C

Learn More

Datasheet

22In Stock

$46.91

$45.68

$45.51

$45.06

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Switch Actuators 16mm, STP SWTC,

51-259.025
EAO
1: $52.36
17In Stock
36Expected 24/3/2026

Mfr. Part No.
51-259.025

Mouser Part No
123-51-259.025

EAO

Switch Actuators 16mm, STP SWTC,

Learn More

Datasheet

17In Stock

36Expected 24/3/2026

$52.36

$51.90

$50.21

$50.18

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Bulk

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: $72.46
5In Stock

Mfr. Part No.
51-262.025

Mouser Part No
123-51-262.025

EAO

Switch Actuators LPB REC MNT SLGP SLDR

Learn More

Datasheet

5In Stock

$72.46

$72.42

$72.24

$70.86

View

Min.: 1
Mult.: 1

Maintained, Rectangular

Illuminated Pushbuttons

31 Series

Black

IP65

Switch Actuators KYLK SQ MNT 2POS

51-281.022F
EAO
1: $61.10
2In Stock

Mfr. Part No.
51-281.022F

Mouser Part No
123-51-281.022F

EAO

Switch Actuators KYLK SQ MNT 2POS

Datasheet

2In Stock

$61.10

$59.53

$57.88

$56.74

View

Min.: 1
Mult.: 1

Maintained, Round

IP65

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: $63.90
3In Stock

Mfr. Part No.
51-281.025

Mouser Part No
123-51-281.025

EAO

Switch Actuators LPB SQ MNT SLGP SLDR

Learn More

Datasheet

3In Stock

$63.90

$53.25

$51.87

$50.76

View

Min.: 1
Mult.: 1

Maintained, Round

IP65

Switch Actuators KYLK RND POS-A C MOM

51-145.022D
EAO
1: $110.20
3In Stock

Mfr. Part No.
51-145.022D

Mouser Part No
123-51-145.022D

EAO

Switch Actuators KYLK RND POS-A C MOM

Datasheet

3In Stock

$110.20

$110.17

$109.38

$106.50

View

Min.: 1
Mult.: 1

Switch Actuators Stop switch with twist release grey LL 2NC U D25 gold

51-252.0268
EAO
1: $55.63
6In Stock

Mfr. Part No.
51-252.0268

Mouser Part No
123-51-252.0268

EAO

Switch Actuators Stop switch with twist release grey LL 2NC U D25 gold

Learn More

Datasheet

6In Stock

$55.63

$54.20

$53.04

$52.00

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Switch Actuators LPB REC MNT GD UNV LL

51-253.026
EAO
1: $47.76
32In Stock

Mfr. Part No.
51-253.026

Mouser Part No
123-51-253.026

EAO

Switch Actuators LPB REC MNT GD UNV LL

Learn More

Datasheet

32In Stock

$47.76

$44.16

$44.13

$43.16

View

Min.: 1
Mult.: 1

Stop Switches

Black

IP65

Switch Actuators

51-271.0252
EAO
1: $62.87
2In Stock
New At Mouser

Mfr. Part No.
51-271.0252

Mouser Part No
123-51-271.0252

New At Mouser

EAO

Switch Actuators

Datasheet

2In Stock

$62.87

$55.60

$53.01

$49.46

View

Min.: 1
Mult.: 1

Rest-Maintained, Square

Illuminated Pushbuttons

51 Series

Black

IP65

Switch Actuators LENS FLT TPT HLDR

51-030.005
EAO
1: $16.32
5Expected 23/3/2026

Mfr. Part No.
51-030.005

Mouser Part No
123-51-030.005

EAO

Switch Actuators LENS FLT TPT HLDR

Datasheet

5Expected 23/3/2026

$16.32

$16.24

$15.67

$15.25

Quote

Min.: 1
Mult.: 1

Switch Actuators IND REC BLK QC

51-040.002
EAO
1: $15.96
14In Stock
25Expected 20/4/2026

Mfr. Part No.
51-040.002

Mouser Part No
123-51-040.002

EAO

Switch Actuators IND REC BLK QC

Learn More

Datasheet

14In Stock

25Expected 20/4/2026

$15.96

$15.92

Quote

Min.: 1
Mult.: 1

Indicator Actuator

Pushbutton Switches

51 Series

Switch Actuators 5A 250VAC 2pos NCNO Sldr Lug IP65

51-141.025D2
EAO
1: $100.39
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
51-141.025D2

Mouser Part No
123-51-141.025D2

EAO

Switch Actuators 5A 250VAC 2pos NCNO Sldr Lug IP65

Datasheet

Non-Stocked Lead-Time 5 Weeks

$100.39

$86.58

$85.79

$84.29

View

Min.: 1
Mult.: 1

IP65

Bulk

Switch Actuators ACTUESTKY.R37MM

51-185.0
EAO
1: $27.40
Non-Stocked Lead-Time 7 Weeks

Mfr. Part No.
51-185.0

Mouser Part No
123-51-185.0

EAO

Switch Actuators ACTUESTKY.R37MM

Datasheet

Non-Stocked Lead-Time 7 Weeks

$27.40

$27.38

$26.88

$25.94

View

Min.: 1
Mult.: 1

Switch Actuators KYLK RND 2 POS

51-271.025
EAO
1: $56.14
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
51-271.025

Mouser Part No
123-51-271.025

EAO

Switch Actuators KYLK RND 2 POS

Datasheet

Non-Stocked Lead-Time 12 Weeks

$56.14

$54.70

$53.53

$52.49

View

Min.: 1
Mult.: 1

Rest-Maintained, Square

Illuminated Pushbuttons

51 Series

Black

IP65

Switch Actuators EXT LENSPLAG

51-031.006
EAO
1: $24.53
Non-Stocked

Mfr. Part No.
51-031.006

Mouser Part No
123-51-031.006

EAO

Switch Actuators EXT LENSPLAG

Datasheet

Non-Stocked

$24.53

$23.85

$23.80

$23.78

Min.: 1
Mult.: 1

51 Series Switch Actuators

Customer Service Office

Company

Resources

Support