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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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Types of Electromechanical

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Results: 44

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Part #

Keylock Switches KYLK RND MOM 3POS

51-378.AD
EAO
1: $160.10
8In Stock

Mfr. Part No.
51-378.AD

Mouser Part No
123-51-378.AD

EAO

Keylock Switches KYLK RND MOM 3POS

Datasheet

8In Stock

$160.10

$138.05

$131.47

$124.41

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MOM SLGP QC

51-121.022
EAO
1: $53.42
52In Stock

Mfr. Part No.
51-121.022

Mouser Part No
123-51-121.022

EAO

Switch Contact Blocks / Switch Kits LPB REC MOM SLGP QC

Datasheet

52In Stock

$53.42

$52.00

$51.99

$50.75

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: $107.21
23In Stock
19Expected 10/8/2026

Mfr. Part No.
51-235.022D

Mouser Part No
123-51-235.022D

EAO

Keylock Switches KYLK RND MNT 2POS

Datasheet

23In Stock

19Expected 10/8/2026

$107.21

$103.44

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-236.025D
EAO
1: $116.72
22In Stock

Mfr. Part No.
51-236.025D

Mouser Part No
123-51-236.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Datasheet

22In Stock

$116.72

$116.55

$113.97

$113.95

View

Min.: 1
Mult.: 1

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

51-252.026
EAO
1: $55.63
48In Stock
51Expected 13/7/2026

Mfr. Part No.
51-252.026

Mouser Part No
123-51-252.026

EAO

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

Datasheet

48In Stock

51Expected 13/7/2026

$55.63

Min.: 1
Mult.: 1

Switch Cases / Switch Covers protect COVER-REC

51-925
EAO
1: $8.77
433In Stock

Mfr. Part No.
51-925

Mouser Part No
123-51-925

EAO

Switch Cases / Switch Covers protect COVER-REC

Datasheet

433In Stock

$8.77

$8.76

Min.: 1
Mult.: 1

Switch Actuators IND REC BLK QC

51-040.002
EAO
1: $16.11
40In Stock

Mfr. Part No.
51-040.002

Mouser Part No
123-51-040.002

EAO

Switch Actuators IND REC BLK QC

Datasheet

40In Stock

$16.11

$16.10

$16.08

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

Datasheet

15In Stock

$16.32

$16.30

$16.26

$15.94

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MOM SLGP SLDR

51-121.025
EAO
1: $47.93
17In Stock

Mfr. Part No.
51-121.025

Mouser Part No
123-51-121.025

EAO

Switch Contact Blocks / Switch Kits LPB REC MOM SLGP SLDR

Datasheet

17In Stock

$47.93

$47.62

$47.33

$47.07

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MOM SLGP SLDR

51-122.025
EAO
1: $68.12
2In Stock

Mfr. Part No.
51-122.025

Mouser Part No
123-51-122.025

EAO

Switch Contact Blocks / Switch Kits LPB REC MOM SLGP SLDR

Datasheet

2In Stock

$68.12

$68.08

$67.50

$66.61

View

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: $110.20
2In Stock

Mfr. Part No.
51-135.025D

Mouser Part No
123-51-135.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Datasheet

2In Stock

$110.20

$110.19

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB SQ MOM SLGP QC

51-151.022
EAO
1: $53.99
17In Stock

Mfr. Part No.
51-151.022

Mouser Part No
123-51-151.022

EAO

Switch Contact Blocks / Switch Kits LPB SQ MOM SLGP QC

Datasheet

17In Stock

$53.99

$53.97

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: $50.05
11In Stock

Mfr. Part No.
51-151.025

Mouser Part No
123-51-151.025

EAO

Switch Contact Blocks / Switch Kits LPB SQ MOM SLGP SLDR

Datasheet

11In Stock

$50.05

Quote

Min.: 1
Mult.: 1

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: $27.40
6In Stock
45Expected 15/6/2026

Mfr. Part No.
51-165.0

Mouser Part No
123-51-165.0

EAO

Switch Fixings LPB ACTUATOR REC

Datasheet

6In Stock

45Expected 15/6/2026

$27.40

$27.38

$26.88

$25.94

View

Min.: 1
Mult.: 1

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

Datasheet

22In Stock

$46.91

$46.13

$46.01

$45.83

View

Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: $73.31
5In Stock

Mfr. Part No.
51-262.025

Mouser Part No
123-51-262.025

EAO

Switch Actuators LPB REC MNT SLGP SLDR

Datasheet

5In Stock

$73.31

$73.28

$73.17

$72.42

View

Min.: 1
Mult.: 1

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

Datasheet

3In Stock

$63.90

$53.25

$51.87

$50.76

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MOM GD UNV LL

51-421.036
EAO
1: $53.20
26In Stock

Mfr. Part No.
51-421.036

Mouser Part No
123-51-421.036

EAO

Switch Contact Blocks / Switch Kits LPB REC MOM GD UNV LL

Datasheet

26In Stock

$53.20

Quote

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MOM GD UNV LL

51-423.036
EAO
1: $53.20
1In Stock

Mfr. Part No.
51-423.036

Mouser Part No
123-51-423.036

EAO

Switch Contact Blocks / Switch Kits LPB REC MOM GD UNV LL

Datasheet

1In Stock

$53.20

$51.83

$50.35

$49.33

Quote

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MOM GD UNV LL

51-425.036
EAO
1: $34.14
17In Stock

Mfr. Part No.
51-425.036

Mouser Part No
123-51-425.036

EAO

Switch Contact Blocks / Switch Kits LPB REC MOM GD UNV LL

Datasheet

17In Stock

$34.14

$33.47

$33.44

Quote

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TLT WHT

51-901.9
EAO
1: $4.66
259In Stock

Mfr. Part No.
51-901.9

Mouser Part No
123-51-901.9

EAO

Switch Fixings LENS REC FLT TLT WHT

Datasheet

259In Stock

$4.66

$4.64

$4.63

$4.50

View

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT RED

51-903.2
EAO
1: $4.66
133In Stock

Mfr. Part No.
51-903.2

Mouser Part No
123-51-903.2

EAO

Switch Fixings LENS REC FLT TPT RED

Datasheet

133In Stock

$4.66

$4.64

Min.: 1
Mult.: 1

Switch Fixings LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: $4.66
48In Stock

Mfr. Part No.
51-903.3

Mouser Part No
123-51-903.3

EAO

Switch Fixings LENS RECT ORANGE TPT ORNG

Datasheet

48In Stock

$4.66

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT YLW

51-903.4
EAO
1: $4.66
44In Stock

Mfr. Part No.
51-903.4

Mouser Part No
123-51-903.4

EAO

Switch Fixings LENS REC FLT TPT YLW

Datasheet

44In Stock

$4.66

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT GRN

51-903.5
EAO
1: $4.66
72In Stock

Mfr. Part No.
51-903.5

Mouser Part No
123-51-903.5

EAO

Switch Fixings LENS REC FLT TPT GRN

Datasheet

72In Stock

$4.66

$4.60

$4.59

Min.: 1
Mult.: 1