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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: 1 318,53 kr
7In 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

7In Stock

1 318,53 kr

1 137,06 kr

1 082,79 kr

1 024,60 kr

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Min.: 1
Mult.: 1

Restricted Availability

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

51-252.026
EAO
1: 458,13 kr
89In 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

89In Stock

458,13 kr

447,53 kr

444,46 kr

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: 844,29 kr
13In Stock Restricted Availability
24Expected 2026-07-29

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

13In Stock

24Expected 2026-07-29

844,29 kr

793,20 kr

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Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: 793,30 kr
76In Stock Restricted Availability
22Expected 2026-09-11

Mfr. Part No.
51-235.025D

Mouser Part No
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

76In Stock

22Expected 2026-09-11

793,30 kr

773,91 kr

770,09 kr

754,51 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Panel Mount Indicator Housings & Hardware IND REC BLK QC

51-040.002
EAO
1: 134,41 kr
27In Stock Restricted Availability
25Expected 2026-08-17

Mfr. Part No.
51-040.002

Mouser Part No
123-51-040.002

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK QC

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Datasheet

27In Stock

25Expected 2026-08-17

134,41 kr

131,23 kr

124,87 kr

122,85 kr

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Min.: 1
Mult.: 1

Restricted Availability

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

51-040.005
EAO
1: 134,41 kr
3In Stock Restricted Availability
38On Order

Mfr. Part No.
51-040.005

Mouser Part No
123-51-040.005

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

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Datasheet

3In Stock

38On Order

134,41 kr

134,30 kr

133,98 kr

131,33 kr

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Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM SLGP QC

51-121.022
EAO
1: 473,29 kr
50In Stock Restricted Availability

Mfr. Part No.
51-121.022

Mouser Part No
123-51-121.022

EAO

Switch Actuators LPB REC MOM SLGP QC

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Datasheet

50In Stock

473,29 kr

435,45 kr

434,81 kr

426,65 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-121.025
EAO
1: 398,98 kr
17In Stock Restricted Availability

Mfr. Part No.
51-121.025

Mouser Part No
123-51-121.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

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Datasheet

17In Stock

398,98 kr

398,88 kr

389,76 kr

353,83 kr

352,03 kr

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-122.025
EAO
1: 574,73 kr
2In Stock Restricted Availability

Mfr. Part No.
51-122.025

Mouser Part No
123-51-122.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

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Datasheet

2In Stock

574,73 kr

562,65 kr

550,78 kr

539,22 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: 907,57 kr
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

907,57 kr

907,47 kr

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: 412,23 kr
11In Stock Restricted Availability

Mfr. Part No.
51-151.025

Mouser Part No
123-51-151.025

EAO

Switch Actuators LPB SQ MOM SLGP SLDR

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Datasheet

11In Stock

412,23 kr

412,13 kr

403,33 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Fixings LPB ACTUATOR REC

51-165.0
EAO
1: 225,67 kr
51In 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

51In Stock

225,67 kr

225,57 kr

221,43 kr

213,59 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: 882,98 kr
19In Stock Restricted Availability
46On 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

19In Stock

46On Order

882,98 kr

851,92 kr

Quote

Min.: 1
Mult.: 1

Restricted Availability

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

51-256.026
EAO
1: 386,37 kr
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

386,37 kr

380,01 kr

378,95 kr

377,47 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

51-261.025
EAO
1: 438,52 kr
5Expected 2026-08-04

Mfr. Part No.
51-261.025

Mouser Part No
123-51-261.025

EAO

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

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Datasheet

5Expected 2026-08-04

438,52 kr

428,35 kr

420,18 kr

406,62 kr

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: 612,47 kr
5In Stock Restricted Availability

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

612,47 kr

599,64 kr

586,92 kr

574,63 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: 526,29 kr
3In 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

3In Stock

526,29 kr

438,52 kr

427,29 kr

418,06 kr

View

Min.: 1
Mult.: 1

Restricted Availability

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: 865,60 kr
10In Stock Restricted Availability

Mfr. Part No.
51-195.022D

Mouser Part No
123-51-195.022D

EAO

Keylock Switches KYLK REC MNT 2POS

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Datasheet

10In Stock

865,60 kr

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM GD UNV LL

51-421.036
EAO
1: 438,10 kr
12In Stock Restricted Availability
22Expected 2026-08-31

Mfr. Part No.
51-421.036

Mouser Part No
123-51-421.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

12In Stock

22Expected 2026-08-31

438,10 kr

433,96 kr

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM GD UNV LL

51-423.036
EAO
1: 438,10 kr
1In Stock Restricted Availability

Mfr. Part No.
51-423.036

Mouser Part No
123-51-423.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

1In Stock

438,10 kr

426,86 kr

414,67 kr

406,30 kr

Quote

Min.: 1
Mult.: 1

Restricted Availability

Switch Actuators LPB REC MOM GD UNV LL

51-425.036
EAO
1: 281,11 kr
17In Stock Restricted Availability

Mfr. Part No.
51-425.036

Mouser Part No
123-51-425.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

17In Stock

281,11 kr

281,01 kr

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

51-901.9
EAO
1: 38,37 kr
221In Stock Restricted Availability

Mfr. Part No.
51-901.9

Mouser Part No
123-51-901.9

EAO

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

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Datasheet

221In Stock

38,37 kr

38,27 kr

36,89 kr

35,72 kr

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT RED

51-903.2
EAO
1: 38,37 kr
132In Stock Restricted Availability

Mfr. Part No.
51-903.2

Mouser Part No
123-51-903.2

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT RED

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Datasheet

132In Stock

38,37 kr

38,27 kr

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: 38,37 kr
48In Stock Restricted Availability

Mfr. Part No.
51-903.3

Mouser Part No
123-51-903.3

EAO

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

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Datasheet

48In Stock

38,37 kr

Min.: 1
Mult.: 1

Restricted Availability

Switch Bezels / Switch Caps LENS REC FLT TPT YLW

51-903.4
EAO
1: 38,37 kr
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

38,37 kr

38,27 kr

Min.: 1
Mult.: 1

Restricted Availability

Series 51 Switch Range

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Series 51 Switch Range

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