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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 #

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

$4.57

$4.52

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT BL

51-903.6
EAO
1: $4.66
20In Stock

Mfr. Part No.
51-903.6

Mouser Part No
123-51-903.6

EAO

Switch Fixings LENS REC FLT TPT BL

Datasheet

20In Stock

$4.66

$4.60

$4.48

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT CLR

51-903.7
EAO
1: $4.66
28In Stock

Mfr. Part No.
51-903.7

Mouser Part No
123-51-903.7

EAO

Switch Fixings LENS REC FLT TPT CLR

Datasheet

28In Stock

$4.66

$4.64

Min.: 1
Mult.: 1

Switch Fixings ANTIROTATION LOCKING WSHR

51-910
EAO
1: $2.86
339In Stock

Mfr. Part No.
51-910

Mouser Part No
123-51-910

EAO

Switch Fixings ANTIROTATION LOCKING WSHR

Datasheet

339In Stock

$2.86

$2.84

Min.: 1
Mult.: 1

Switch Cases / Switch Covers protect COVER-SQ

51-920
EAO
1: $8.77
50In Stock
90Expected 30/6/2026

Mfr. Part No.
51-920

Mouser Part No
123-51-920

EAO

Switch Cases / Switch Covers protect COVER-SQ

Datasheet

50In Stock

90Expected 30/6/2026

$8.77

Min.: 1
Mult.: 1

Switch Fixings LENS RND FLT TPT RED

51-933.2
EAO
1: $5.82
40In Stock
26Expected 29/6/2026

Mfr. Part No.
51-933.2

Mouser Part No
123-51-933.2

EAO

Switch Fixings LENS RND FLT TPT RED

Datasheet

40In Stock

26Expected 29/6/2026

$5.82

$5.81

Min.: 1
Mult.: 1

Switch Fixings LENS RND FLT TPT GRN

51-933.5
EAO
1: $4.66
55In Stock

Mfr. Part No.
51-933.5

Mouser Part No
123-51-933.5

EAO

Switch Fixings LENS RND FLT TPT GRN

Datasheet

55In Stock

$4.66

$4.60

$4.48

Min.: 1
Mult.: 1

Switch Fixings LENS SQ FLT TPT RED

51-953.2
EAO
1: $5.42
86In Stock
275On Order

Mfr. Part No.
51-953.2

Mouser Part No
123-51-953.2

EAO

Switch Fixings LENS SQ FLT TPT RED

Datasheet

86In Stock

275On Order

$5.42

$5.32

$5.18

Min.: 1
Mult.: 1

Switch Fixings LENS SQ FLT TPT GRN

51-953.5
EAO
1: $5.42
5In Stock

Mfr. Part No.
51-953.5

Mouser Part No
123-51-953.5

EAO

Switch Fixings LENS SQ FLT TPT GRN

Datasheet

5In Stock

$5.42

$5.32

$5.18

Min.: 1
Mult.: 1

Switch Fixings LENS SQ FLT TPT CLR

51-953.7
EAO
1: $5.42
13In Stock
110Expected 28/7/2026

Mfr. Part No.
51-953.7

Mouser Part No
123-51-953.7

EAO

Switch Fixings LENS SQ FLT TPT CLR

Datasheet

13In Stock

110Expected 28/7/2026

$5.42

$5.39

$5.31

$5.30

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: $96.33
98On Order

Mfr. Part No.
51-235.025D

Mouser Part No
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Datasheet

98On Order

$96.33

$93.96

$93.51

$91.61

View

Min.: 1
Mult.: 1

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: $102.51
19Expected 28/7/2026

Mfr. Part No.
51-255.022D

Mouser Part No
123-51-255.022D

EAO

Keylock Switches KYLK SQ MNT 2POS

Datasheet

19Expected 28/7/2026

$102.51

$96.31

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MNT SLGP SLDR

51-261.025
EAO
1: $53.25
5Expected 8/9/2026

Mfr. Part No.
51-261.025

Mouser Part No
123-51-261.025

EAO

Switch Contact Blocks / Switch Kits LPB REC MNT SLGP SLDR

Datasheet

5Expected 8/9/2026

$53.25

$52.26

$51.42

$50.72

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB RND MOM SLGP SLDR

51-131.025
EAO
1: $48.44
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
51-131.025

Mouser Part No
123-51-131.025

EAO

Switch Contact Blocks / Switch Kits LPB RND MOM SLGP SLDR

Datasheet

Non-Stocked Lead-Time 6 Weeks

$48.44

$48.14

$47.18

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MNT SLGP SLDR

51-282.025
EAO
1: $74.37
Lead-Time 12 Weeks

Mfr. Part No.
51-282.025

Mouser Part No
123-51-282.025

EAO

Switch Actuators LPB SQ MNT SLGP SLDR

Datasheet

Lead-Time 12 Weeks

$74.37

$72.64

$70.92

$69.51

View

Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND SQ BLK SLDR

51-050.005
EAO
1: $16.32
N/A

Mfr. Part No.
51-050.005

Mouser Part No
123-51-050.005

EAO

Panel Mount Indicator Housings & Hardware IND SQ BLK SLDR

Datasheet

N/A

$16.32

$16.30

$16.26

$15.94

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits LPB REC MNT SLGP QC

51-261.022
EAO
1: $62.02
N/A

Mfr. Part No.
51-261.022

Mouser Part No
123-51-261.022

EAO

Switch Contact Blocks / Switch Kits LPB REC MNT SLGP QC

Datasheet

N/A

$62.02

Min.: 1
Mult.: 1

Keylock Switches KEYLOCK RECT MNT 2POS

51-296.025D
EAO
1: $118.85
Non-Stocked

Mfr. Part No.
51-296.025D

Mouser Part No
123-51-296.025D

EAO

Keylock Switches KEYLOCK RECT MNT 2POS

Datasheet

Non-Stocked

$118.85

$115.81

$113.34

$111.10

View

Min.: 1
Mult.: 1

Switch Fixings LENS REC CCVE TPT CLR

51-904.7
EAO
1: $4.66
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
51-904.7

Mouser Part No
123-51-904.7

EAO

Switch Fixings LENS REC CCVE TPT CLR

Datasheet

Non-Stocked Lead-Time 15 Weeks

$4.66

$4.64

$4.53

$4.52

$4.49

Min.: 1
Mult.: 1