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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: €124.39
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

€124.39

€107.27

€102.15

€96.66

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Min.: 1
Mult.: 1

Restricted Availability

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

51-252.026
EAO
1: €43.22
89In 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

89In Stock

€43.22

€42.22

€41.93

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: €79.65
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

€79.65

€74.83

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Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: €74.84
76In Stock Restricted Availability
22Expected 11/09/2026

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

76In Stock

22Expected 11/09/2026

€74.84

€73.01

€72.65

€71.18

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Min.: 1
Mult.: 1

Restricted Availability

Panel Mount Indicator Housings & Hardware IND REC BLK QC

51-040.002
EAO
1: €12.68
27In Stock Restricted Availability
25Expected 17/08/2026

Mfr. Part No.
51-040.002

Mouser Part No
123-51-040.002

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK QC

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Datasheet

27In Stock

25Expected 17/08/2026

€12.68

€12.38

€11.78

€11.59

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Min.: 1
Mult.: 1

Restricted Availability

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

51-040.005
EAO
1: €12.68
3In Stock Restricted Availability
38Expected 27/07/2026

Mfr. Part No.
51-040.005

Mouser Part No
123-51-040.005

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

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Datasheet

3In Stock

38Expected 27/07/2026

€12.68

€12.67

€12.64

€12.39

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Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM SLGP QC

51-121.022
EAO
1: €44.65
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

€44.65

€41.08

€41.02

€40.25

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Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-121.025
EAO
1: €37.64
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

€37.64

€37.63

€36.77

€33.38

€33.21

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-122.025
EAO
1: €54.22
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

€54.22

€53.08

€51.96

€50.87

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: €85.62
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

€85.62

€85.61

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: €38.89
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

€38.89

€38.88

€38.05

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: €21.29
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

€21.29

€21.28

€20.89

€20.15

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: €83.30
15In Stock Restricted Availability
46On Order

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

15In Stock

46On Order

€83.30

€80.37

Quote

Min.: 1
Mult.: 1

Restricted Availability

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

51-256.026
EAO
1: €36.45
22In 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

22In Stock

€36.45

€35.85

€35.75

€35.61

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Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

51-261.025
EAO
1: €41.37
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

€41.37

€40.41

€39.64

€38.36

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: €57.78
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

€57.78

€56.57

€55.37

€54.21

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: €49.65
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

€49.65

€41.37

€40.31

€39.44

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: €81.66
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

€81.66

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM GD UNV LL

51-421.036
EAO
1: €41.33
12In Stock Restricted Availability
22Expected 31/08/2026

Mfr. Part No.
51-421.036

Mouser Part No
123-51-421.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

Learn More

Datasheet

12In Stock

22Expected 31/08/2026

€41.33

€40.94

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM GD UNV LL

51-423.036
EAO
1: €41.33
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

€41.33

€40.27

€39.12

€38.33

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM GD UNV LL

51-425.036
EAO
1: €26.52
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

€26.52

€26.51

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

51-901.9
EAO
1: €3.62
209In 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

209In Stock

€3.62

€3.61

€3.48

€3.37

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT RED

51-903.2
EAO
1: €3.62
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

€3.62

€3.61

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: €3.62
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

€3.62

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

51-903.4
EAO
1: €3.62
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

Learn More

Datasheet

44In Stock

€3.62

€3.61

Min.: 1
Mult.: 1

Restricted Availability

Series 51 Switch Range

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Series 51 Switch Range

All Results (44)

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