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

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.

All Results (44)

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 #

Keylock Switches KYLK RND MOM 3POS

51-378.AD
EAO
1: ฿3,720.31
7In Stock

Mfr. Part No.
51-378.AD

Mouser Part No
123-51-378.AD

EAO

Keylock Switches KYLK RND MOM 3POS

Learn More

Datasheet

7In Stock

฿3,720.31

฿3,208.04

฿3,054.93

฿2,890.85

View

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: ฿2,792.01
34In Stock
27Expected 8/17/2026

Mfr. Part No.
51-235.022D

Mouser Part No
123-51-235.022D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

34In Stock

27Expected 8/17/2026

฿2,792.01

฿2,497.44

฿2,386.00

฿2,340.46

View

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: ฿2,238.39
45In Stock
22On Order

Mfr. Part No.
51-235.025D

Mouser Part No
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

45In Stock

22On Order

฿2,238.39

฿2,183.48

฿2,172.82

฿2,128.89

View

Min.: 1
Mult.: 1

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

51-252.026
EAO
1: ฿1,292.65
85In 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

Learn More

Datasheet

85In Stock

฿1,292.65

฿1,262.61

฿1,253.89

Min.: 1
Mult.: 1

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: ฿2,382.13
37In Stock

Mfr. Part No.
51-255.022D

Mouser Part No
123-51-255.022D

EAO

Keylock Switches KYLK SQ MNT 2POS

Learn More

Datasheet

37In Stock

฿2,382.13

฿2,238.07

View

Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND REC BLK QC

51-040.002
EAO
1: ฿379.20
26In Stock
25On Order

Mfr. Part No.
51-040.002

Mouser Part No
123-51-040.002

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK QC

Learn More

Datasheet

26In Stock

25On Order

฿379.20

฿370.16

฿352.39

฿346.58

View

Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

51-040.005
EAO
1: ฿379.20
3In Stock
38Expected 8/18/2026

Mfr. Part No.
51-040.005

Mouser Part No
123-51-040.005

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

Learn More

Datasheet

3In Stock

38Expected 8/18/2026

฿379.20

฿370.16

฿352.39

฿346.58

View

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM SLGP QC

51-121.022
EAO
1: ฿1,335.28
26In Stock

Mfr. Part No.
51-121.022

Mouser Part No
123-51-121.022

EAO

Switch Actuators LPB REC MOM SLGP QC

Learn More

Datasheet

26In Stock

฿1,335.28

฿1,228.69

฿1,226.75

฿1,203.82

View

Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-121.025
EAO
1: ฿1,125.66
17In Stock

Mfr. Part No.
51-121.025

Mouser Part No
123-51-121.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

Learn More

Datasheet

17In Stock

฿1,125.66

฿1,125.33

฿1,099.82

฿998.39

฿993.23

Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-122.025
EAO
1: ฿1,621.46
2In Stock

Mfr. Part No.
51-122.025

Mouser Part No
123-51-122.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

Learn More

Datasheet

2In Stock

฿1,621.46

฿1,580.12

฿1,546.20

฿1,490.00

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB RND MOM SLGP SLDR

51-131.025
EAO
1: ฿1,125.66
8In Stock

Mfr. Part No.
51-131.025

Mouser Part No
123-51-131.025

EAO

Switch Actuators LPB RND MOM SLGP SLDR

Learn More

Datasheet

8In Stock

฿1,125.66

฿1,118.55

฿1,096.26

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: ฿2,560.74
2In Stock

Mfr. Part No.
51-135.025D

Mouser Part No
123-51-135.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

2In Stock

฿2,560.74

฿2,560.42

฿2,501.96

฿2,454.15

View

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: ฿1,163.12
11In Stock

Mfr. Part No.
51-151.025

Mouser Part No
123-51-151.025

EAO

Switch Actuators LPB SQ MOM SLGP SLDR

Learn More

Datasheet

11In Stock

฿1,163.12

฿1,162.80

฿1,137.93

View

Min.: 1
Mult.: 1

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: ฿636.63
51In Stock

Mfr. Part No.
51-165.0

Mouser Part No
123-51-165.0

EAO

Switch Fixings LPB ACTUATOR REC

Learn More

Datasheet

51In Stock

฿636.63

฿636.31

฿624.68

฿602.72

View

Min.: 1
Mult.: 1

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

51-256.026
EAO
1: ฿1,090.13
10In 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

10In Stock

฿1,090.13

฿1,072.04

฿1,069.13

฿1,064.93

View

Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP QC

51-261.022
EAO
1: ฿1,441.23
5In Stock

Mfr. Part No.
51-261.022

Mouser Part No
123-51-261.022

EAO

Switch Actuators LPB REC MNT SLGP QC

Learn More

Datasheet

5In Stock

฿1,441.23

฿1,415.71

Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

51-261.025
EAO
1: ฿1,237.41
5In Stock

Mfr. Part No.
51-261.025

Mouser Part No
123-51-261.025

EAO

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

Learn More

Datasheet

5In Stock

฿1,237.41

฿1,237.09

฿1,205.44

฿1,179.92

View

Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: ฿1,728.05
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

฿1,728.05

฿1,691.87

฿1,656.02

฿1,621.14

View

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: ฿1,484.83
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

฿1,484.83

฿1,237.41

฿1,205.44

฿1,179.60

View

Min.: 1
Mult.: 1

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: ฿2,442.20
10In Stock

Mfr. Part No.
51-195.022D

Mouser Part No
123-51-195.022D

EAO

Keylock Switches KYLK REC MNT 2POS

Learn More

Datasheet

10In Stock

฿2,442.20

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-421.036
EAO
1: ฿1,236.12
12In Stock
22On Order

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

22On Order

฿1,236.12

฿1,235.80

฿1,209.31

View

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-423.036
EAO
1: ฿1,236.12
1In Stock

Mfr. Part No.
51-423.036

Mouser Part No
123-51-423.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

Learn More

Datasheet

1In Stock

฿1,236.12

฿1,204.47

฿1,169.91

฿1,146.33

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-425.036
EAO
1: ฿793.29
17In Stock

Mfr. Part No.
51-425.036

Mouser Part No
123-51-425.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

Learn More

Datasheet

17In Stock

฿793.29

฿779.08

฿762.28

฿741.61

Quote

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

51-901.9
EAO
1: ฿108.21
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

Learn More

Datasheet

209In Stock

฿108.21

฿107.88

฿104.01

฿100.78

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TPT RED

51-903.2
EAO
1: ฿108.21
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

Learn More

Datasheet

120In Stock

฿108.21

฿107.88

Min.: 1
Mult.: 1

Series 51 Switch Range

All Results (44)

Customer Service Office

Company

Resources

Support

Series 51 Switch Range

All Results (44)

Electromechanical

Industrial Automation

Opto-electronics