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51 Series Switches

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Types of Switches

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Series = 51

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Part #

Switch Fixings LENS FLT SQR SUP CLR

51-953.6
EAO
1: $4.70
8In Stock

Mfr. Part No.
51-953.6

Mouser Part No
123-51-953.6

EAO

Switch Fixings LENS FLT SQR SUP CLR

Datasheet

8In Stock

$4.70

$4.69

$4.58

$4.57

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS SQ FLT TPT CLR

51-953.7
EAO
1: $4.90
130In Stock

Mfr. Part No.
51-953.7

Mouser Part No
123-51-953.7

EAO

Switch Fixings LENS SQ FLT TPT CLR

Learn More

Datasheet

130In Stock

$4.90

$4.85

$4.61

$4.45

$4.38

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Contact Blocks / Switch Kits SWITCH BLOCK 2 ELEMENTS

51-972.F22
EAO
1: $52.00
4In Stock

Mfr. Part No.
51-972.F22

Mouser Part No
123-51-972.F22

EAO

Switch Contact Blocks / Switch Kits SWITCH BLOCK 2 ELEMENTS

Datasheet

4In Stock

$52.00

$50.66

$49.58

$48.60

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits

Pushbutton Switches Pushbutton Switch, 16mm, Black, 0.1A, 42V, Universal terminal (rear side)

51-425.036A
EAO
1: $28.59
6In Stock

Mfr. Part No.
51-425.036A

Mouser Part No
123-51425036A

EAO

Pushbutton Switches Pushbutton Switch, 16mm, Black, 0.1A, 42V, Universal terminal (rear side)

Datasheet

6In Stock

$28.59

$28.57

$28.05

$27.05

View

Min.: 1
Mult.: 1

Pushbutton Switches

SPST

OFF - (ON)

Panel Mount

Industrial Panel Mount Indicators / Switch Indicators Indicator flush mounting ST/PT 18x18

51-050.002F
EAO
1: $14.75
2In Stock

Mfr. Part No.
51-050.002F

Mouser Part No
123-51-050.002F

EAO

Industrial Panel Mount Indicators / Switch Indicators Indicator flush mounting ST/PT 18x18

Datasheet

2In Stock

$14.75

$14.67

$14.15

$13.78

View

Min.: 1
Mult.: 1

Panel Mount Indicators / Switch Indicators

Switch Actuators KYLK RND POS-A C MOM

51-145.022D
EAO
1: $99.58
3In Stock

Mfr. Part No.
51-145.022D

Mouser Part No
123-51-145.022D

EAO

Switch Actuators KYLK RND POS-A C MOM

Datasheet

3In Stock

$99.58

$97.03

$94.61

$91.19

View

Min.: 1
Mult.: 1

Switch Actuators

Keylock Switches LENS REC CCVE TPT YLW

51-155.025D
EAO
1: $86.83
12In Stock

Mfr. Part No.
51-155.025D

Mouser Part No
123-51-155.025D

EAO

Keylock Switches LENS REC CCVE TPT YLW

Datasheet

12In Stock

$86.83

$86.66

$78.55

$78.54

View

Min.: 1
Mult.: 1

Keylock Switches

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: $94.97
10In Stock

Mfr. Part No.
51-195.022D

Mouser Part No
123-51-195.022D

EAO

Keylock Switches KYLK REC MNT 2POS

Learn More

Datasheet

10In Stock

$94.97

$92.54

$90.23

$86.95

View

Min.: 1
Mult.: 1

Keylock Switches

DPST

Switch Actuators Stop switch with twist release grey LL 2NC U D25 gold

51-252.0268
EAO
1: $50.26
6In Stock

Mfr. Part No.
51-252.0268

Mouser Part No
123-51-252.0268

EAO

Switch Actuators Stop switch with twist release grey LL 2NC U D25 gold

Learn More

Datasheet

6In Stock

$50.26

$48.97

$47.93

$46.99

View

Min.: 1
Mult.: 1

Switch Actuators

Panel

Pushbutton Switches KYLK SQ MNT 3 POS

51-431.036
EAO
1: $50.66
4In Stock

Mfr. Part No.
51-431.036

Mouser Part No
123-51-431.036

EAO

Pushbutton Switches KYLK SQ MNT 3 POS

Datasheet

4In Stock

$50.66

$49.35

$47.95

$46.19

View

Min.: 1
Mult.: 1

Pushbutton Switches

DPST

OFF - (ON)

Panel Mount

Pushbutton Switches KYLK REC POS MNT LL

51-453.036
EAO
1: $48.07
2In Stock

Mfr. Part No.
51-453.036

Mouser Part No
123-51-453.036

EAO

Pushbutton Switches KYLK REC POS MNT LL

Datasheet

2In Stock

$48.07

$46.83

$45.50

$43.83

View

Min.: 1
Mult.: 1

Pushbutton Switches

Panel Mount

Switch Fixings Orange Rectangl Lens Flat 15.3x21.5mm

51-901.3
EAO
1: $7.00
11In Stock

Mfr. Part No.
51-901.3

Mouser Part No
123-51-901.3

EAO

Switch Fixings Orange Rectangl Lens Flat 15.3x21.5mm

Datasheet

11In Stock

$7.00

$6.75

$6.58

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LPB REC MOM UNV LL

51-904.3
EAO
1: $4.21
11In Stock

Mfr. Part No.
51-904.3

Mouser Part No
123-51-904.3

EAO

Switch Fixings LPB REC MOM UNV LL

Datasheet

11In Stock

$4.21

$4.15

$4.05

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS REC CCVE TPT CLR

51-904.7
EAO
1: $4.21
20In Stock

Mfr. Part No.
51-904.7

Mouser Part No
123-51-904.7

EAO

Switch Fixings LENS REC CCVE TPT CLR

Learn More

Datasheet

20In Stock

$4.21

$4.15

$4.05

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LPB REC MNT UNV DIO

51-931.0
EAO
1: $4.21
2In Stock

Mfr. Part No.
51-931.0

Mouser Part No
123-51-931.0

EAO

Switch Fixings LPB REC MNT UNV DIO

Datasheet

2In Stock

$4.21

$4.15

$4.05

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings LENS RND FLT TLT RED

51-931.4
EAO
1: $5.27
14In Stock

Mfr. Part No.
51-931.4

Mouser Part No
123-51-931.4

EAO

Switch Fixings LENS RND FLT TLT RED

Datasheet

14In Stock

$5.27

$5.14

$5.01

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings ELMT 1N.C-1N.O SOLDER-PLUG IN

51-931.6
EAO
1: $5.27
8In Stock

Mfr. Part No.
51-931.6

Mouser Part No
123-51-931.6

EAO

Switch Fixings ELMT 1N.C-1N.O SOLDER-PLUG IN

Datasheet

8In Stock

$5.27

$5.14

$5.01

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LPB RND WGREEN LENS

51-951.5
EAO
1: $5.82
13In Stock
15Expected 2026/03/13

Mfr. Part No.
51-951.5

Mouser Part No
123-51-951.5

EAO

Switch Fixings LPB RND WGREEN LENS

Datasheet

13In Stock

15Expected 2026/03/13

$5.82

$4.58

$4.57

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings PL BASEAR

51-951.6
EAO
1: $4.90
30In Stock

Mfr. Part No.
51-951.6

Mouser Part No
123-51-951.6

EAO

Switch Fixings PL BASEAR

Datasheet

30In Stock

$4.90

$4.81

$4.69

Min.: 1
Mult.: 1

Switch Hardware

Keylock Switches KYLK RND MNT 3POS

51-382.022D
EAO
1: $129.58
1In Stock

Mfr. Part No.
51-382.022D

Mouser Part No
123-51-382.022D

EAO

Keylock Switches KYLK RND MNT 3POS

Datasheet

1In Stock

$129.58

$126.89

$123.58

$120.04

View

Min.: 1
Mult.: 1

Keylock Switches

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: $85.26
98Expected 2026/03/09

Mfr. Part No.
51-235.025D

Mouser Part No
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

98Expected 2026/03/09

$85.26

$74.63

View

Min.: 1
Mult.: 1

Keylock Switches

DPST

Switch Actuators 16mm, STP SWTC,

51-253.022
EAO
1: $50.26
71Expected 2026/03/06

Mfr. Part No.
51-253.022

Mouser Part No
123-51-253.022

EAO

Switch Actuators 16mm, STP SWTC,

Learn More

Datasheet

71Expected 2026/03/06

$50.26

$50.25

$48.56

View

Min.: 1
Mult.: 1

Switch Actuators

Panel

Keylock Switches KYLK RND MOM 3POS DPST 5A 250VAC Solder Lug Flat Key 90 deg Index 3 Positions Gold Plate Non Illuminated

51-378.F22D
EAO
1: $129.58
16On Order

Mfr. Part No.
51-378.F22D

Mouser Part No
123-51-378.F22D

EAO

Keylock Switches KYLK RND MOM 3POS DPST 5A 250VAC Solder Lug Flat Key 90 deg Index 3 Positions Gold Plate Non Illuminated

Datasheet

16On Order

$129.58

$126.89

$123.24

$120.78

View

Min.: 1
Mult.: 1

Keylock Switches

Switch Actuators LPB REC MNT SLGP SLDR

51-262.025
EAO
1: $64.12
5Expected 2026/03/10

Mfr. Part No.
51-262.025

Mouser Part No
123-51-262.025

EAO

Switch Actuators LPB REC MNT SLGP SLDR

Learn More

Datasheet

5Expected 2026/03/10

$64.12

$64.05

$60.88

View

Min.: 1
Mult.: 1

Switch Actuators

Maintained, Rectangular

Panel Mount

Keylock Switches Keylock switch 2 positions, 16mm cut-out, rectangular, black, IP65, Solder, 5A, 3NC + 3NO, Gold Contacts, 250 V AC, Rest-Maintained, with anti-twist ring and fixing nut

51-297.025D2
EAO
1: $153.41
6Expected 2026/04/07

Mfr. Part No.
51-297.025D2

Mouser Part No
123-51-297.025D2

EAO

Keylock Switches Keylock switch 2 positions, 16mm cut-out, rectangular, black, IP65, Solder, 5A, 3NC + 3NO, Gold Contacts, 250 V AC, Rest-Maintained, with anti-twist ring and fixing nut

Datasheet

6Expected 2026/04/07

$153.41

$132.27

$129.44

Min.: 1
Mult.: 1

Keylock Switches

3P3T

ON - OFF

51 Series Switches

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