Electromechanical – Mouser Australia

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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 #

Keylock Switches KYLK RND MOM 3POS

51-378.AD
EAO
1: $184.29
8In Stock

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

$184.29

$158.91

$151.33

$143.20

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Min.: 1
Mult.: 1

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: $106.38
15In Stock

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

$106.38

$98.34

$98.32

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-236.025D
EAO
1: $134.35
19In Stock

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

19In Stock

$134.35

$134.16

$131.18

$131.17

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Min.: 1
Mult.: 1

Switch Actuators IND REC BLK SLDR

51-040.005
EAO
1: $18.78
16In Stock

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

$18.78

$18.69

$18.03

$17.55

Quote

Min.: 1
Mult.: 1

Pushbutton Switches LPB REC MOM SLGP QC

51-121.022
EAO
1: $60.67
25In Stock
36Expected 10/03/2026

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

25In Stock

36Expected 10/03/2026

$60.67

$59.38

$56.91

$56.78

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Min.: 1
Mult.: 1

Pushbutton Switches LPB REC MOM SLGP SLDR

51-121.025
EAO
1: $53.90
20In Stock

Mfr. Part No.
51-121.025

Mouser Part No
123-51-121.025

EAO

Pushbutton Switches LPB REC MOM SLGP SLDR

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Datasheet

20In Stock

$53.90

$52.74

$51.66

$50.67

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Min.: 1
Mult.: 1

Pushbutton Switches LPB REC MOM SLGP SLDR

51-122.025
EAO
1: $76.88
4In Stock

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

$76.88

$76.85

$75.07

$75.06

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: $126.85
2In Stock

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

$126.85

$126.83

Min.: 1
Mult.: 1

Pushbutton Switches LPB SQ MOM SLGP QC

51-151.022
EAO
1: $62.14
6In Stock

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

6In Stock

$62.14

$62.13

$60.37

$58.21

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Min.: 1
Mult.: 1

Pushbutton Switches LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: $54.45
8In Stock

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

8In Stock

$54.45

$54.43

$53.41

Quote

Min.: 1
Mult.: 1

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: $31.54
3In Stock

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

$31.54

$31.52

$30.94

$29.86

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Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: $120.94
2In Stock
16On Order

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

2In Stock

16On Order

$120.94

$118.50

$117.66

$117.65

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Min.: 1
Mult.: 1

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

51-252.026
EAO
1: $60.18
19In Stock
62Expected 6/04/2026

Mfr. Part No.
51-252.026

Mouser Part No
123-51-252.026

EAO

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

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Datasheet

19In Stock

62Expected 6/04/2026

$60.18

$59.49

$59.39

$59.38

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Min.: 1
Mult.: 1

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

51-256.026
EAO
1: $54.00
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

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Datasheet

22In Stock

$54.00

$52.58

$52.38

$51.87

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Min.: 1
Mult.: 1

Pushbutton Switches LPB REC MNT SLGP SLDR

51-261.025
EAO
1: $61.30
3In Stock

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

$61.30

$60.16

$59.18

$58.38

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Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: $83.41
5In Stock

Mfr. Part No.
51-262.025

Mouser Part No
123-51-262.025

EAO

Switch Actuators LPB REC MNT SLGP SLDR

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Datasheet

5In Stock

$83.41

$83.36

$83.15

$81.57

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Min.: 1
Mult.: 1

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: $73.55
3In Stock

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

3In Stock

$73.55

$61.30

$59.71

$58.43

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Min.: 1
Mult.: 1

Pushbutton Switches LPB REC MOM GD UNV LL

51-423.036
EAO
1: $61.23
1In Stock

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

$61.23

$59.66

$57.95

$56.78

Quote

Min.: 1
Mult.: 1

Pushbutton Switches LPB REC MOM GD UNV LL

51-425.036
EAO
1: $37.07
19In Stock

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

$37.07

$36.37

$36.29

Quote

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TLT WHT

51-901.9
EAO
1: $5.36
304In Stock

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

$5.36

$5.34

$5.10

$4.98

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT RED

51-903.2
EAO
1: $5.36
22In Stock
50Expected 9/03/2026

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

22In Stock

50Expected 9/03/2026

$5.36

$5.34

$5.28

$5.23

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Min.: 1
Mult.: 1

Switch Fixings LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: $5.36
17In Stock

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

17In Stock

$5.36

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT YLW

51-903.4
EAO
1: $5.36
36In Stock

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

36In Stock

$5.36

$5.09

$4.98

$4.94

$4.93

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT GRN

51-903.5
EAO
1: $6.43
10In Stock
31Expected 11/05/2026

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

10In Stock

31Expected 11/05/2026

$6.43

$5.36

$5.34

$5.31

$5.26

Min.: 1
Mult.: 1

Switch Fixings LENS REC FLT TPT BL

51-903.6
EAO
1: $5.36
13In Stock

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

13In Stock

$5.36

$5.30

$5.15

Min.: 1
Mult.: 1

Series 51 Switch Range

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