Switches – Mouser Liechtenstein

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Series 51 Switch Range

EAO Series 51 Switch Range is an oil and watertight, high-quality switch range that includes pushbuttons, indicators, illuminated selector switches, key locks, and "mono-block" stop switches. It is possible to choose up to 4NO/4NC snap-action switching elements per switch and low-level switching elements are also available. Both standard panel-mount (16mm cut-out) and flush-mount (22.5mm cut-out) styles are available from EAO.

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Part #

Keylock Switches KYLK RND MOM 3POS

51-378.AD
EAO
1: CHF 116.43
7In Stock Restricted Availability

Mfr. Part No.
51-378.AD

Mouser Part No
123-51-378.AD

EAO

Keylock Switches KYLK RND MOM 3POS

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Datasheet

7In Stock

CHF 116.43

CHF 100.40

CHF 95.61

CHF 90.47

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: CHF 87.38
34In Stock Restricted Availability
27Expected 8/17/2026

Mfr. Part No.
51-235.022D

Mouser Part No
123-51-235.022D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

34In Stock

27Expected 8/17/2026

CHF 87.38

CHF 78.17

CHF 74.67

CHF 73.25

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches

DPST

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

51-252.026
EAO
1: CHF 40.45
83In Stock Restricted Availability

Mfr. Part No.
51-252.026

Mouser Part No
123-51-252.026

EAO

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

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Datasheet

83In Stock

CHF 40.45

CHF 39.52

CHF 39.25

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: CHF 74.55
37In Stock Restricted Availability

Mfr. Part No.
51-255.022D

Mouser Part No
123-51-255.022D

EAO

Keylock Switches KYLK SQ MNT 2POS

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Datasheet

37In Stock

CHF 74.55

CHF 70.04

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches

DPST

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: CHF 70.05
45In Stock Restricted Availability
22On Order

Mfr. Part No.
51-235.025D

Mouser Part No
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

45In Stock

22On Order

CHF 70.05

CHF 68.34

CHF 68.00

CHF 66.62

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches

DPST

Switch Actuators LPB REC MOM SLGP QC

51-121.022
EAO
1: CHF 41.79
26In Stock Restricted Availability

Mfr. Part No.
51-121.022

Mouser Part No
123-51-121.022

EAO

Switch Actuators LPB REC MOM SLGP QC

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Datasheet

26In Stock

CHF 41.79

CHF 38.45

CHF 38.39

CHF 37.67

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-121.025
EAO
1: CHF 35.23
17In Stock Restricted Availability

Mfr. Part No.
51-121.025

Mouser Part No
123-51-121.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

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Datasheet

17In Stock

CHF 35.23

CHF 35.22

CHF 34.42

CHF 31.24

CHF 31.08

Min.: 1
Mult.: 1

Restricted Availability

Switch Contact Blocks / Switch Kits

Panel Mount

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-122.025
EAO
1: CHF 50.75
2In Stock Restricted Availability

Mfr. Part No.
51-122.025

Mouser Part No
123-51-122.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

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Datasheet

2In Stock

CHF 50.75

CHF 49.45

CHF 48.39

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Contact Blocks / Switch Kits

Panel Mount

Switch Actuators LPB RND MOM SLGP SLDR

51-131.025
EAO
1: CHF 35.23
8In Stock Restricted Availability

Mfr. Part No.
51-131.025

Mouser Part No
123-51-131.025

EAO

Switch Actuators LPB RND MOM SLGP SLDR

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Datasheet

8In Stock

CHF 35.23

CHF 35.01

CHF 34.31

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Switch Actuators LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: CHF 36.40
11In Stock Restricted Availability

Mfr. Part No.
51-151.025

Mouser Part No
123-51-151.025

EAO

Switch Actuators LPB SQ MOM SLGP SLDR

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Datasheet

11In Stock

CHF 36.40

CHF 36.39

CHF 35.61

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: CHF 19.93
51In Stock Restricted Availability

Mfr. Part No.
51-165.0

Mouser Part No
123-51-165.0

EAO

Switch Fixings LPB ACTUATOR REC

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Datasheet

51In Stock

CHF 19.93

CHF 19.92

CHF 19.55

CHF 18.86

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Hardware

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

51-256.026
EAO
1: CHF 34.12
10In Stock Restricted Availability

Mfr. Part No.
51-256.026

Mouser Part No
123-51-256.026

EAO

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

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Datasheet

10In Stock

CHF 34.12

CHF 33.56

CHF 33.46

CHF 33.33

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel

Switch Actuators LPB REC MNT SLGP QC

51-261.022
EAO
1: CHF 45.11
5In Stock Restricted Availability

Mfr. Part No.
51-261.022

Mouser Part No
123-51-261.022

EAO

Switch Actuators LPB REC MNT SLGP QC

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Datasheet

5In Stock

CHF 45.11

CHF 44.31

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

51-261.025
EAO
1: CHF 38.72
5In Stock Restricted Availability

Mfr. Part No.
51-261.025

Mouser Part No
123-51-261.025

EAO

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

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Datasheet

5In Stock

CHF 38.72

CHF 38.71

CHF 37.73

CHF 36.93

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Contact Blocks / Switch Kits

Panel Mount

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: CHF 54.08
5In Stock Restricted Availability

Mfr. Part No.
51-262.025

Mouser Part No
123-51-262.025

EAO

Switch Actuators LPB REC MNT SLGP SLDR

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Datasheet

5In Stock

CHF 54.08

CHF 52.95

CHF 51.83

CHF 50.74

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Maintained, Rectangular

Panel Mount

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: CHF 46.47
3In Stock Restricted Availability

Mfr. Part No.
51-281.025

Mouser Part No
123-51-281.025

EAO

Switch Actuators LPB SQ MNT SLGP SLDR

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Datasheet

3In Stock

CHF 46.47

CHF 38.72

CHF 37.73

CHF 36.92

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Maintained, Round

Panel Mount

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: CHF 80.14
2In Stock Restricted Availability

Mfr. Part No.
51-135.025D

Mouser Part No
123-51-135.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

2In Stock

CHF 80.14

CHF 80.13

CHF 78.31

CHF 76.81

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches

DPST

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: CHF 76.43
10In Stock Restricted Availability

Mfr. Part No.
51-195.022D

Mouser Part No
123-51-195.022D

EAO

Keylock Switches KYLK REC MNT 2POS

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Datasheet

10In Stock

CHF 76.43

Quote

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches

DPST

Switch Actuators LPB REC MOM GD UNV LL

51-421.036
EAO
1: CHF 38.68
25In Stock Restricted Availability
9Expected 8/31/2026

Mfr. Part No.
51-421.036

Mouser Part No
123-51-421.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

25In Stock

9Expected 8/31/2026

CHF 38.68

CHF 37.85

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Switch Actuators LPB REC MOM GD UNV LL

51-423.036
EAO
1: CHF 38.68
1In Stock Restricted Availability

Mfr. Part No.
51-423.036

Mouser Part No
123-51-423.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

1In Stock

CHF 38.68

CHF 37.69

CHF 36.62

CHF 35.88

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Switch Actuators LPB REC MOM GD UNV LL

51-425.036
EAO
1: CHF 24.82
17In Stock Restricted Availability

Mfr. Part No.
51-425.036

Mouser Part No
123-51-425.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

17In Stock

CHF 24.82

CHF 24.38

CHF 23.86

CHF 23.21

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators

Panel Mount

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

51-901.9
EAO
1: CHF 3.39
179In Stock Restricted Availability

Mfr. Part No.
51-901.9

Mouser Part No
123-51-901.9

EAO

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

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Datasheet

179In Stock

CHF 3.39

CHF 3.38

CHF 3.26

CHF 3.15

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps

Lens

Switch Bezels / Switch Caps LENS REC FLT TPT RED

51-903.2
EAO
1: CHF 3.39
120In Stock Restricted Availability

Mfr. Part No.
51-903.2

Mouser Part No
123-51-903.2

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT RED

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Datasheet

120In Stock

CHF 3.39

CHF 3.38

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps

Lens

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: CHF 3.39
48In Stock Restricted Availability

Mfr. Part No.
51-903.3

Mouser Part No
123-51-903.3

EAO

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

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Datasheet

48In Stock

CHF 3.39

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps

Lens

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

51-903.4
EAO
1: CHF 3.39
44In Stock Restricted Availability

Mfr. Part No.
51-903.4

Mouser Part No
123-51-903.4

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

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Datasheet

44In Stock

CHF 3.39

CHF 3.38

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps

Lens

Series 51 Switch Range

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