Electromechanical – Mouser Netherlands

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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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Part #

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: € 79,40
2In Stock Restricted Availability

Mfr. Part No.
51-135.025D

Mouser Part No
123-51-135.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

2In Stock

€ 79,40

€ 76,77

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MOM 3POS

51-378.AD
EAO
1: € 124,39
8In Stock Restricted Availability

Mfr. Part No.
51-378.AD

Mouser Part No
123-51-378.AD

EAO

Keylock Switches KYLK RND MOM 3POS

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Datasheet

8In Stock

€ 124,39

€ 107,27

€ 102,15

€ 96,66

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: € 71,74
15In Stock Restricted Availability

Mfr. Part No.
51-255.022D

Mouser Part No
123-51-255.022D

EAO

Keylock Switches KYLK SQ MNT 2POS

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Datasheet

15In Stock

€ 71,74

€ 66,34

€ 66,26

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators IND REC BLK SLDR

51-040.005
EAO
1: € 12,68
16In Stock Restricted Availability

Mfr. Part No.
51-040.005

Mouser Part No
123-51-040.005

EAO

Switch Actuators IND REC BLK SLDR

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Datasheet

16In Stock

€ 12,68

€ 12,61

€ 12,17

€ 11,85

Quote

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB REC MOM SLGP QC

51-121.022
EAO
1: € 39,94
31In Stock Restricted Availability

Mfr. Part No.
51-121.022

Mouser Part No
123-51-121.022

EAO

Pushbutton Switches LPB REC MOM SLGP QC

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Datasheet

31In Stock

€ 39,94

€ 39,29

€ 38,89

€ 37,26

View

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB REC MOM SLGP SLDR

51-122.025
EAO
1: € 51,89
4In Stock Restricted Availability

Mfr. Part No.
51-122.025

Mouser Part No
123-51-122.025

EAO

Pushbutton Switches LPB REC MOM SLGP SLDR

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Datasheet

4In Stock

€ 51,89

€ 51,87

€ 50,67

€ 50,66

Quote

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB SQ MOM SLGP QC

51-151.022
EAO
1: € 41,95
14In Stock Restricted Availability

Mfr. Part No.
51-151.022

Mouser Part No
123-51-151.022

EAO

Pushbutton Switches LPB SQ MOM SLGP QC

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Datasheet

14In Stock

€ 41,95

€ 41,94

€ 40,75

€ 39,29

View

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: € 36,75
9In Stock Restricted Availability

Mfr. Part No.
51-151.025

Mouser Part No
123-51-151.025

EAO

Pushbutton Switches LPB SQ MOM SLGP SLDR

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Datasheet

9In Stock

€ 36,75

€ 36,74

€ 36,05

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: € 21,29
3In Stock Restricted Availability

Mfr. Part No.
51-165.0

Mouser Part No
123-51-165.0

EAO

Switch Fixings LPB ACTUATOR REC

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Datasheet

3In Stock

€ 21,29

€ 21,28

€ 20,89

€ 20,15

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: € 79,05
14In Stock Restricted Availability

Mfr. Part No.
51-235.022D

Mouser Part No
123-51-235.022D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

14In Stock

€ 79,05

€ 77,39

€ 76,02

€ 76,01

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-236.025D
EAO
1: € 89,38
4In Stock Restricted Availability
15Expected 20/02/2026

Mfr. Part No.
51-236.025D

Mouser Part No
123-51-236.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

4In Stock

15Expected 20/02/2026

€ 89,38

€ 89,14

€ 87,08

€ 87,07

View

Min.: 1
Mult.: 1

Restricted Availability

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

51-252.026
EAO
1: € 40,62
31In Stock Restricted Availability

Mfr. Part No.
51-252.026

Mouser Part No
123-51-252.026

EAO

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

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Datasheet

31In Stock

€ 40,62

€ 40,15

€ 40,09

€ 40,08

View

Min.: 1
Mult.: 1

Restricted Availability

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

51-256.026
EAO
1: € 35,41
22In Stock Restricted Availability

Mfr. Part No.
51-256.026

Mouser Part No
123-51-256.026

EAO

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

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Datasheet

22In Stock

€ 35,41

€ 35,09

€ 34,06

€ 33,11

View

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB REC MNT SLGP SLDR

51-261.025
EAO
1: € 41,37
3In Stock Restricted Availability

Mfr. Part No.
51-261.025

Mouser Part No
123-51-261.025

EAO

Pushbutton Switches LPB REC MNT SLGP SLDR

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Datasheet

3In Stock

€ 41,37

€ 40,31

€ 39,44

€ 38,67

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: € 49,65
5In Stock Restricted Availability

Mfr. Part No.
51-281.025

Mouser Part No
123-51-281.025

EAO

Switch Actuators LPB SQ MNT SLGP SLDR

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Datasheet

5In Stock

€ 49,65

€ 41,37

€ 40,31

€ 39,44

View

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB REC MOM GD UNV LL

51-423.036
EAO
1: € 41,33
1In Stock Restricted Availability

Mfr. Part No.
51-423.036

Mouser Part No
123-51-423.036

EAO

Pushbutton Switches LPB REC MOM GD UNV LL

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Datasheet

1In Stock

€ 41,33

€ 40,27

€ 39,12

€ 38,33

Quote

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches LPB REC MOM GD UNV LL

51-425.036
EAO
1: € 25,02
19In Stock Restricted Availability

Mfr. Part No.
51-425.036

Mouser Part No
123-51-425.036

EAO

Pushbutton Switches LPB REC MOM GD UNV LL

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Datasheet

19In Stock

€ 25,02

€ 24,55

€ 24,49

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS REC FLT TLT WHT

51-901.9
EAO
1: € 3,62
304In Stock Restricted Availability

Mfr. Part No.
51-901.9

Mouser Part No
123-51-901.9

EAO

Switch Fixings LENS REC FLT TLT WHT

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Datasheet

304In Stock

€ 3,62

€ 3,57

€ 3,48

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS REC FLT TPT RED

51-903.2
EAO
1: € 3,62
46In Stock Restricted Availability

Mfr. Part No.
51-903.2

Mouser Part No
123-51-903.2

EAO

Switch Fixings LENS REC FLT TPT RED

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Datasheet

46In Stock

€ 3,62

€ 3,61

€ 3,54

€ 3,34

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: € 3,62
35In Stock Restricted Availability

Mfr. Part No.
51-903.3

Mouser Part No
123-51-903.3

EAO

Switch Fixings LENS RECT ORANGE TPT ORNG

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Datasheet

35In Stock

€ 3,62

€ 3,57

€ 3,48

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS REC FLT TPT YLW

51-903.4
EAO
1: € 3,62
20In Stock Restricted Availability

Mfr. Part No.
51-903.4

Mouser Part No
123-51-903.4

EAO

Switch Fixings LENS REC FLT TPT YLW

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Datasheet

20In Stock

€ 3,62

€ 3,43

€ 3,36

€ 3,34

€ 3,33

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS REC FLT TPT GRN

51-903.5
EAO
1: € 4,34
23In Stock Restricted Availability
2Expected 28/04/2026

Mfr. Part No.
51-903.5

Mouser Part No
123-51-903.5

EAO

Switch Fixings LENS REC FLT TPT GRN

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Datasheet

23In Stock

2Expected 28/04/2026

€ 4,34

€ 3,62

€ 3,56

€ 3,49

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS REC FLT TPT BL

51-903.6
EAO
1: € 3,62
21In Stock Restricted Availability

Mfr. Part No.
51-903.6

Mouser Part No
123-51-903.6

EAO

Switch Fixings LENS REC FLT TPT BL

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Datasheet

21In Stock

€ 3,62

€ 3,57

€ 3,48

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LENS REC FLT TPT CLR

51-903.7
EAO
1: € 3,62
30In Stock Restricted Availability

Mfr. Part No.
51-903.7

Mouser Part No
123-51-903.7

EAO

Switch Fixings LENS REC FLT TPT CLR

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Datasheet

30In Stock

€ 3,62

€ 3,42

€ 3,39

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings ANTIROTATION LOCKING WSHR

51-910
EAO
1: € 2,22
285In Stock

Mfr. Part No.
51-910

Mouser Part No
123-51-910

EAO

Switch Fixings ANTIROTATION LOCKING WSHR

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Datasheet

285In Stock

€ 2,22

€ 2,21

€ 2,15

€ 2,08

€ 2,04

Min.: 1
Mult.: 1

Series 51 Switch Range

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