.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 #

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

51-903.4
EAO
1: £3.16
44In Stock Restricted Availability

Mfr. Part No.
51-903.4

Mouser Part No
123-51-903.4

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

Learn More

Datasheet

44In Stock

£3.16

£3.15

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT GRN

51-903.5
EAO
1: £3.16
1In Stock Restricted Availability
165Expected 07/09/2026

Mfr. Part No.
51-903.5

Mouser Part No
123-51-903.5

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT GRN

Learn More

Datasheet

1In Stock

165Expected 07/09/2026

£3.16

£3.10

£3.06

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT BL

51-903.6
EAO
1: £3.16
20In Stock Restricted Availability

Mfr. Part No.
51-903.6

Mouser Part No
123-51-903.6

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT BL

Learn More

Datasheet

20In Stock

£3.16

£3.12

£3.06

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT CLR

51-903.7
EAO
1: £3.16
28In Stock Restricted Availability

Mfr. Part No.
51-903.7

Mouser Part No
123-51-903.7

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT CLR

Learn More

Datasheet

28In Stock

£3.16

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps ANTIROTATION LOCKING WSHR

51-910
EAO
1: £1.94
294In Stock
480Expected 04/08/2026

Mfr. Part No.
51-910

Mouser Part No
123-51-910

EAO

Switch Bezels / Switch Caps ANTIROTATION LOCKING WSHR

Learn More

Datasheet

294In Stock

480Expected 04/08/2026

£1.94

£1.92

Min.: 1
Mult.: 1

Switch Cases / Switch Covers protect COVER-SQ

51-920
EAO
1: £5.95
137In Stock

Mfr. Part No.
51-920

Mouser Part No
123-51-920

EAO

Switch Cases / Switch Covers protect COVER-SQ

Learn More

Datasheet

137In Stock

£5.95

Min.: 1
Mult.: 1

Switch Cases / Switch Covers protect COVER-REC

51-925
EAO
1: £5.95
25In Stock
1,160Expected 07/09/2026

Mfr. Part No.
51-925

Mouser Part No
123-51-925

EAO

Switch Cases / Switch Covers protect COVER-REC

Learn More

Datasheet

25In Stock

1,160Expected 07/09/2026

£5.95

£5.82

£5.76

Quote

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS RND FLT TPT RED

51-933.2
EAO
1: £3.95
66In Stock Restricted Availability

Mfr. Part No.
51-933.2

Mouser Part No
123-51-933.2

EAO

Switch Bezels / Switch Caps LENS RND FLT TPT RED

Learn More

Datasheet

66In Stock

£3.95

£3.91

£3.86

£3.85

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS RND FLT TPT GRN

51-933.5
EAO
1: £3.79
55In Stock Restricted Availability

Mfr. Part No.
51-933.5

Mouser Part No
123-51-933.5

EAO

Switch Bezels / Switch Caps LENS RND FLT TPT GRN

Learn More

Datasheet

55In Stock

£3.79

£3.73

£3.16

£3.08

£3.04

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS SQ FLT TPT RED

51-953.2
EAO
1: £3.68
261In Stock Restricted Availability

Mfr. Part No.
51-953.2

Mouser Part No
123-51-953.2

EAO

Switch Bezels / Switch Caps LENS SQ FLT TPT RED

Learn More

Datasheet

261In Stock

£3.68

£3.61

£3.52

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MOM SLGP QC

51-151.022
EAO
1: £36.62
Lead-Time 5 Weeks Restricted Availability

Mfr. Part No.
51-151.022

Mouser Part No
123-51-151.022

EAO

Switch Actuators LPB SQ MOM SLGP QC

Learn More

Datasheet

Lead-Time 5 Weeks

£36.62

£36.59

£36.16

£35.57

Quote

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-236.025D
EAO
1: £79.17
9Expected 04/08/2026

Mfr. Part No.
51-236.025D

Mouser Part No
123-51-236.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

9Expected 04/08/2026

£79.17

£79.06

£77.30

£77.29

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MNT SLGP QC

51-261.022
EAO
1: £42.07
5Expected 04/08/2026

Mfr. Part No.
51-261.022

Mouser Part No
123-51-261.022

EAO

Switch Actuators LPB REC MNT SLGP QC

Learn More

Datasheet

5Expected 04/08/2026

£42.07

£41.33

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS SQ FLT TPT GRN

51-953.5
EAO
1: £3.68
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

Learn More

Datasheet

390On Order

£3.68

£3.62

£3.54

Min.: 1
Mult.: 1

Restricted Availability

Panel Mount Indicator Housings & Hardware IND SQ BLK SLDR

51-050.005
EAO
1: £11.07
71Factory Stock Available Restricted Availability

Mfr. Part No.
51-050.005

Mouser Part No
123-51-050.005

EAO

Panel Mount Indicator Housings & Hardware IND SQ BLK SLDR

Learn More

Datasheet

71Factory Stock Available

More Info Available

£11.07

£11.06

£11.03

£10.82

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MNT SLGP SLDR

51-282.025
EAO
1: £50.44
Lead-Time 12 Weeks Restricted Availability

Mfr. Part No.
51-282.025

Mouser Part No
123-51-282.025

EAO

Switch Actuators LPB SQ MNT SLGP SLDR

Learn More

Datasheet

Lead-Time 12 Weeks

£50.44

£49.27

£48.10

£47.15

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KEYLOCK RECT MNT 2POS

51-296.025D
EAO
1: £80.61
Non-Stocked Restricted Availability

Mfr. Part No.
51-296.025D

Mouser Part No
123-51-296.025D

EAO

Keylock Switches KEYLOCK RECT MNT 2POS

Learn More

Datasheet

Non-Stocked

£80.61

£78.56

£76.88

£75.36

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC CCVE TPT CLR

51-904.7
EAO
1: £3.16
Non-Stocked Lead-Time 15 Weeks Restricted Availability

Mfr. Part No.
51-904.7

Mouser Part No
123-51-904.7

EAO

Switch Bezels / Switch Caps LENS REC CCVE TPT CLR

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

£3.16

£3.12

£3.06

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS SQ FLT TPT CLR

51-953.7
EAO
1: £3.68
Lead-Time 15 Weeks Restricted Availability

Mfr. Part No.
51-953.7

Mouser Part No
123-51-953.7

EAO

Switch Bezels / Switch Caps LENS SQ FLT TPT CLR

Learn More

Datasheet

Lead-Time 15 Weeks

£3.68

£3.66

£3.61

£3.59

Min.: 1
Mult.: 1

Restricted Availability

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