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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: ₩179,680.8
7In Stock

Mfr. Part #
51-378.AD

Mouser Part #
123-51-378.AD

EAO

Keylock Switches KYLK RND MOM 3POS

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Datasheet

7In Stock

₩179,680.8

₩154,939.2

₩147,544.8

₩139,620

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Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: ₩108,108
76In Stock
22Expected 8/10/2026

Mfr. Part #
51-235.025D

Mouser Part #
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

76In Stock

22Expected 8/10/2026

₩108,108

₩105,456

₩104,941.2

₩102,819.6

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Min.: 1
Mult.: 1

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

51-252.026
EAO
1: ₩62,431.2
89In Stock

Mfr. Part #
51-252.026

Mouser Part #
123-51-252.026

EAO

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

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Datasheet

89In Stock

₩62,431.2

₩60,980.4

₩60,559.2

Min.: 1
Mult.: 1

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: ₩115,050
37In Stock

Mfr. Part #
51-255.022D

Mouser Part #
123-51-255.022D

EAO

Keylock Switches KYLK SQ MNT 2POS

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Datasheet

37In Stock

₩115,050

₩108,092.4

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Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND REC BLK QC

51-040.002
EAO
1: ₩18,314.4
27In Stock
25Expected 8/10/2026

Mfr. Part #
51-040.002

Mouser Part #
123-51-040.002

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK QC

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Datasheet

27In Stock

25Expected 8/10/2026

₩18,314.4

₩17,877.6

₩17,019.6

₩16,738.8

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Min.: 1
Mult.: 1

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

51-040.005
EAO
1: ₩18,314.4
3In Stock
38On Order

Mfr. Part #
51-040.005

Mouser Part #
123-51-040.005

EAO

Panel Mount Indicator Housings & Hardware IND REC BLK SLDR

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Datasheet

3In Stock

38On Order

₩18,314.4

₩17,877.6

₩17,019.6

₩16,738.8

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Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM SLGP QC

51-121.022
EAO
1: ₩64,490.4
26In Stock

Mfr. Part #
51-121.022

Mouser Part #
123-51-121.022

EAO

Switch Actuators LPB REC MOM SLGP QC

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Datasheet

26In Stock

₩64,490.4

₩59,342.4

₩59,248.8

₩58,141.2

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Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-121.025
EAO
1: ₩54,366
17In Stock

Mfr. Part #
51-121.025

Mouser Part #
123-51-121.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

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Datasheet

17In Stock

₩54,366

₩54,350.4

₩53,118

₩48,219.6

₩47,970

Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

51-122.025
EAO
1: ₩78,312
2In Stock

Mfr. Part #
51-122.025

Mouser Part #
123-51-122.025

EAO

Pushbutton Switches - Industrial LPB REC MOM SLGP SLDR

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Datasheet

2In Stock

₩78,312

₩76,315.2

₩74,677.2

₩71,962.8

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB RND MOM SLGP SLDR

51-131.025
EAO
1: ₩54,366
9In Stock

Mfr. Part #
51-131.025

Mouser Part #
123-51-131.025

EAO

Switch Actuators LPB RND MOM SLGP SLDR

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Datasheet

9In Stock

₩54,366

₩54,022.8

₩52,946.4

Quote

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: ₩123,676.8
2In Stock

Mfr. Part #
51-135.025D

Mouser Part #
123-51-135.025D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

2In Stock

₩123,676.8

₩123,661.2

Min.: 1
Mult.: 1

Switch Actuators LPB SQ MOM SLGP SLDR

51-151.025
EAO
1: ₩56,175.6
11In Stock

Mfr. Part #
51-151.025

Mouser Part #
123-51-151.025

EAO

Switch Actuators LPB SQ MOM SLGP SLDR

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Datasheet

11In Stock

₩56,175.6

₩56,160

₩54,958.8

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Min.: 1
Mult.: 1

Switch Hardware LPB ACTUATOR REC

51-165.0
EAO
1: ₩30,747.6
51In Stock

Mfr. Part #
51-165.0

Mouser Part #
123-51-165.0

EAO

Switch Hardware LPB ACTUATOR REC

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Datasheet

51In Stock

₩30,747.6

₩30,732

₩30,170.4

₩29,109.6

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Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: ₩134,846.4
15In Stock
46On Order

Mfr. Part #
51-235.022D

Mouser Part #
123-51-235.022D

EAO

Keylock Switches KYLK RND MNT 2POS

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Datasheet

15In Stock

46On Order

₩134,846.4

₩120,619.2

₩115,237.2

₩113,037.6

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Min.: 1
Mult.: 1

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

51-256.026
EAO
1: ₩52,650
20In Stock

Mfr. Part #
51-256.026

Mouser Part #
123-51-256.026

EAO

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

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Datasheet

20In Stock

₩52,650

₩51,776.4

₩51,636

₩51,433.2

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Min.: 1
Mult.: 1

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

51-261.025
EAO
1: ₩59,763.6
5In Stock

Mfr. Part #
51-261.025

Mouser Part #
123-51-261.025

EAO

Pushbutton Switches - Industrial LPB REC MNT SLGP SLDR

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Datasheet

5In Stock

₩59,763.6

₩58,375.2

₩57,252

₩55,411.2

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: ₩83,460
5In Stock

Mfr. Part #
51-262.025

Mouser Part #
123-51-262.025

EAO

Switch Actuators LPB REC MNT SLGP SLDR

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Datasheet

5In Stock

₩83,460

₩81,712.8

₩79,981.2

₩78,296.4

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Min.: 1
Mult.: 1

Switch Actuators LPB SQ MNT SLGP SLDR

51-281.025
EAO
1: ₩71,713.2
3In Stock

Mfr. Part #
51-281.025

Mouser Part #
123-51-281.025

EAO

Switch Actuators LPB SQ MNT SLGP SLDR

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Datasheet

3In Stock

₩71,713.2

₩59,763.6

₩58,219.2

₩56,971.2

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Min.: 1
Mult.: 1

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: ₩117,951.6
10In Stock

Mfr. Part #
51-195.022D

Mouser Part #
123-51-195.022D

EAO

Keylock Switches KYLK REC MNT 2POS

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Datasheet

10In Stock

₩117,951.6

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-421.036
EAO
1: ₩59,701.2
12In Stock
22Expected 8/31/2026

Mfr. Part #
51-421.036

Mouser Part #
123-51-421.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

12In Stock

22Expected 8/31/2026

₩59,701.2

₩59,685.6

₩58,640.4

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-423.036
EAO
1: ₩59,701.2
1In Stock

Mfr. Part #
51-423.036

Mouser Part #
123-51-423.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

1In Stock

₩59,701.2

₩58,172.4

₩56,503.2

₩55,364.4

Quote

Min.: 1
Mult.: 1

Switch Actuators LPB REC MOM GD UNV LL

51-425.036
EAO
1: ₩38,313.6
17In Stock

Mfr. Part #
51-425.036

Mouser Part #
123-51-425.036

EAO

Switch Actuators LPB REC MOM GD UNV LL

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Datasheet

17In Stock

₩38,313.6

₩37,627.2

₩36,816

₩35,817.6

Quote

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

51-901.9
EAO
1: ₩5,226
209In Stock

Mfr. Part #
51-901.9

Mouser Part #
123-51-901.9

EAO

Switch Bezels / Switch Caps LENS REC FLT TLT WHT

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Datasheet

209In Stock

₩5,226

₩5,210.4

₩5,023.2

₩4,867.2

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS REC FLT TPT RED

51-903.2
EAO
1: ₩5,226
120In Stock

Mfr. Part #
51-903.2

Mouser Part #
123-51-903.2

EAO

Switch Bezels / Switch Caps LENS REC FLT TPT RED

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Datasheet

120In Stock

₩5,226

₩5,210.4

Min.: 1
Mult.: 1

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

51-903.3
EAO
1: ₩5,226
48In Stock

Mfr. Part #
51-903.3

Mouser Part #
123-51-903.3

EAO

Switch Bezels / Switch Caps LENS RECT ORANGE TPT ORNG

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Datasheet

48In Stock

₩5,226

Min.: 1
Mult.: 1

Series 51 Switch Range

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Series 51 Switch Range

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