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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 Bezels / Switch Caps LENS REC FLT TPT YLW

51-903.4
EAO
1: $4.56
44In Stock

Mfr. Part No.
51-903.4

Mouser Part No
123-51-903.4

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

Datasheet

44In Stock

$4.56

$4.54

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TPT GRN

51-903.5
EAO
1: $4.56
1In Stock
165Expected 7/9/2026

Mfr. Part No.
51-903.5

Mouser Part No
123-51-903.5

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT GRN

Datasheet

1In Stock

165Expected 7/9/2026

$4.56

$4.47

$4.42

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TPT BL

51-903.6
EAO
1: $4.56
20In Stock

Mfr. Part No.
51-903.6

Mouser Part No
123-51-903.6

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT BL

Datasheet

20In Stock

$4.56

$4.50

$4.41

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TPT CLR

51-903.7
EAO
1: $4.56
28In Stock

Mfr. Part No.
51-903.7

Mouser Part No
123-51-903.7

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT CLR

Datasheet

28In Stock

$4.56

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps ANTIROTATION LOCKING WSHR

51-910
EAO
1: $2.80
294In Stock
480Expected 4/8/2026

Mfr. Part No.
51-910

Mouser Part No
123-51-910

EAO

Switch Bezels / Switch Caps ANTIROTATION LOCKING WSHR

Datasheet

294In Stock

480Expected 4/8/2026

$2.80

$2.77

Min.: 1
Mult.: 1

Switch Cases / Switch Covers protect COVER-SQ

51-920
EAO
1: $8.58
137In Stock

Mfr. Part No.
51-920

Mouser Part No
123-51-920

EAO

Switch Cases / Switch Covers protect COVER-SQ

Datasheet

137In Stock

$8.58

Min.: 1
Mult.: 1

Switch Cases / Switch Covers protect COVER-REC

51-925
EAO
1: $8.58
20In Stock
1,160Expected 7/9/2026

Mfr. Part No.
51-925

Mouser Part No
123-51-925

EAO

Switch Cases / Switch Covers protect COVER-REC

Datasheet

20In Stock

1,160Expected 7/9/2026

$8.58

$8.40

$8.31

Quote

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS RND FLT TPT RED

51-933.2
EAO
1: $5.70
66In Stock

Mfr. Part No.
51-933.2

Mouser Part No
123-51-933.2

EAO

Switch Bezels / Switch Caps LENS RND FLT TPT RED

Datasheet

66In Stock

$5.70

$5.64

$5.56

$5.55

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS RND FLT TPT GRN

51-933.5
EAO
1: $5.47
55In Stock

Mfr. Part No.
51-933.5

Mouser Part No
123-51-933.5

EAO

Switch Bezels / Switch Caps LENS RND FLT TPT GRN

Datasheet

55In Stock

$5.47

$5.37

$4.56

$4.45

$4.38

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS SQ FLT TPT RED

51-953.2
EAO
1: $5.30
261In Stock

Mfr. Part No.
51-953.2

Mouser Part No
123-51-953.2

EAO

Switch Bezels / Switch Caps LENS SQ FLT TPT RED

Datasheet

261In Stock

$5.30

$5.21

$5.07

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MOM SLGP QC

51-151.022
EAO
1: $52.82
50On Order

Mfr. Part No.
51-151.022

Mouser Part No
123-51-151.022

EAO

Switch Actuators LPB SQ MOM SLGP QC

Datasheet

50On Order

$52.82

$52.78

$52.16

$51.31

View

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-236.025D
EAO
1: $114.20
9Expected 4/8/2026

Mfr. Part No.
51-236.025D

Mouser Part No
123-51-236.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Datasheet

9Expected 4/8/2026

$114.20

$114.04

$111.51

$111.49

View

Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP QC

51-261.022
EAO
1: $60.68
5In Stock

Mfr. Part No.
51-261.022

Mouser Part No
123-51-261.022

EAO

Switch Actuators LPB REC MNT SLGP QC

Datasheet

5In Stock

$60.68

$59.61

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS SQ FLT TPT GRN

51-953.5
EAO
1: $5.30
390On Order

Mfr. Part No.
51-953.5

Mouser Part No
123-51-953.5

EAO

Switch Bezels / Switch Caps LENS SQ FLT TPT GRN

Datasheet

390On Order

$5.30

$5.22

$5.10

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS SQ FLT TPT CLR

51-953.7
EAO
1: $5.30
152Expected 12/11/2026

Mfr. Part No.
51-953.7

Mouser Part No
123-51-953.7

EAO

Switch Bezels / Switch Caps LENS SQ FLT TPT CLR

Datasheet

152Expected 12/11/2026

$5.30

$5.28

$5.20

$5.18

Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND SQ BLK SLDR

51-050.005
EAO
1: $15.97
71Factory Stock Available

Mfr. Part No.
51-050.005

Mouser Part No
123-51-050.005

EAO

Panel Mount Indicator Housings & Hardware IND SQ BLK SLDR

Datasheet

71Factory Stock Available

More Info Available

$15.97

$15.95

$15.91

$15.60

View

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MNT SLGP SLDR

51-282.025
EAO
1: $72.76
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

$72.76

$71.07

$69.39

$68.01

View

Min.: 1
Mult.: 1

Keylock Switches KEYLOCK RECT MNT 2POS

51-296.025D
EAO
1: $116.28
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

$116.28

$113.32

$110.89

$108.70

View

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC CCVE TPT CLR

51-904.7
EAO
1: $4.56
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
51-904.7

Mouser Part No
123-51-904.7

EAO

Switch Bezels / Switch Caps LENS REC CCVE TPT CLR

Datasheet

Non-Stocked Lead-Time 15 Weeks

$4.56

$4.50

$4.41

Min.: 1
Mult.: 1