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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: $115.18
7In Stock

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

$115.18

$99.32

$94.58

$89.50

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Min.: 1
Mult.: 1

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

51-252.026
EAO
1: $40.02
89In Stock

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

$40.02

$39.09

$38.82

Min.: 1
Mult.: 1

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: $73.75
37In Stock

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

$73.75

$69.29

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Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: $69.30
76In Stock
22Expected 10/08/2026

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 10/08/2026

$69.30

$67.60

$67.27

$65.91

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Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND REC BLK QC

51-040.002
EAO
1: $11.74
27In Stock
25Expected 10/08/2026

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 10/08/2026

$11.74

$11.46

$10.91

$10.73

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Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

51-040.005
EAO
1: $11.74
3In Stock
38On Order

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

38On Order

$11.74

$11.46

$10.91

$10.73

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Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM SLGP QC

51-121.022
EAO
1: $41.34
26In Stock

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

$41.34

$38.04

$37.98

$37.27

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Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-121.025
EAO
1: $34.85
17In Stock

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

$34.85

$34.84

$34.05

$30.91

$30.75

Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-122.025
EAO
1: $50.20
2In Stock

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

$50.20

$48.92

$47.87

$46.13

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB RND MOM SLGP SLDR

51-131.025
EAO
1: $34.85
9In Stock

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

9In Stock

$34.85

$34.63

$33.94

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: $79.28
2In Stock

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

$79.28

$79.27

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: $36.01
11In Stock

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

$36.01

$36.00

$35.23

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Min.: 1
Mult.: 1

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: $19.71
51In Stock

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

$19.71

$19.70

$19.34

$18.66

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Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: $86.44
15In Stock
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

$86.44

$77.32

$73.87

$72.46

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Min.: 1
Mult.: 1

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

51-256.026
EAO
1: $33.75
20In 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

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Datasheet

20In Stock

$33.75

$33.19

$33.10

$32.97

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Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

51-261.025
EAO
1: $38.31
5In Stock

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

$38.31

$37.42

$36.70

$35.52

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: $53.50
5In Stock

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

$53.50

$52.38

$51.27

$50.19

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Min.: 1
Mult.: 1

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: $45.97
3In Stock

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

$45.97

$38.31

$37.32

$36.52

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Min.: 1
Mult.: 1

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: $75.61
10In Stock

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

$75.61

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-421.036
EAO
1: $38.27
12In Stock
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

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Datasheet

12In Stock

22Expected 31/08/2026

$38.27

$38.26

$37.59

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-423.036
EAO
1: $38.27
1In Stock

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

$38.27

$37.29

$36.22

$35.49

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-425.036
EAO
1: $24.56
17In Stock

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

$24.56

$24.12

$23.60

$22.96

Quote

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

51-901.9
EAO
1: $3.35
209In Stock

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

$3.35

$3.34

$3.22

$3.12

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TPT RED

51-903.2
EAO
1: $3.35
120In Stock

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

$3.35

$3.34

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: $3.35
48In Stock

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

$3.35

Min.: 1
Mult.: 1

Series 51 Switch Range

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Series 51 Switch Range

All Results (44)

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