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Series 51 Switches

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Types of Switches

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Tradename = Series 51

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Part #

Switch Fixings ANTIROTATION LOCKING WSHR

51-910
EAO
1: $2.47
243In Stock

Mfr. Part No.
51-910

Mouser Part No
123-51-910

EAO

Switch Fixings ANTIROTATION LOCKING WSHR

Learn More

Datasheet

243In Stock

More Info Available

$2.47

$2.42

$2.39

$2.38

$2.33

Min.: 1
Mult.: 1

Switch Hardware

Locking Washer

Switch Cases / Switch Covers protect COVER-SQ

51-920
EAO
1: $7.57
183In Stock

Mfr. Part No.
51-920

Mouser Part No
123-51-920

EAO

Switch Cases / Switch Covers protect COVER-SQ

Learn More

Datasheet

183In Stock

$7.57

$7.56

Min.: 1
Mult.: 1

Switch Cases / Switch Covers

Protective

Switch Fixings LPB SQ MNT GD SPST LL

51-931.2
EAO
1: $5.03
15In Stock

Mfr. Part No.
51-931.2

Mouser Part No
123-51-931.2

EAO

Switch Fixings LPB SQ MNT GD SPST LL

Datasheet

15In Stock

$5.03

$4.91

$4.79

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LPB SQ MNT GD UNV LL

51-931.9
EAO
1: $4.89
9In Stock

Mfr. Part No.
51-931.9

Mouser Part No
123-51-931.9

EAO

Switch Fixings LPB SQ MNT GD UNV LL

Datasheet

9In Stock

$4.89

$4.82

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings LENS RND FLT TPT RED

51-933.2
EAO
1: $5.03
33In Stock

Mfr. Part No.
51-933.2

Mouser Part No
123-51-933.2

EAO

Switch Fixings LENS RND FLT TPT RED

Learn More

Datasheet

33In Stock

More Info Available

$5.03

$5.01

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS REC FLT SUP CLR

51-933.3
EAO
1: $3.71
1In Stock

Mfr. Part No.
51-933.3

Mouser Part No
123-51-933.3

EAO

Switch Fixings LENS REC FLT SUP CLR

Datasheet

1In Stock

$3.71

$3.33

$3.14

$3.03

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings KYLK RND MNT 2POS

51-933.4
EAO
1: $4.02
10In Stock

Mfr. Part No.
51-933.4

Mouser Part No
123-51-933.4

EAO

Switch Fixings KYLK RND MNT 2POS

Datasheet

10In Stock

$4.02

$3.97

$3.87

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS RND FLT TPT GRN

51-933.5
EAO
1: $4.02
35In Stock

Mfr. Part No.
51-933.5

Mouser Part No
123-51-933.5

EAO

Switch Fixings LENS RND FLT TPT GRN

Learn More

Datasheet

35In Stock

$4.02

$3.97

$3.87

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings ACTUPBILMAY

51-933.6
EAO
1: $4.02
4In Stock

Mfr. Part No.
51-933.6

Mouser Part No
123-51-933.6

EAO

Switch Fixings ACTUPBILMAY

Datasheet

4In Stock

$4.02

$4.01

$3.99

$3.92

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings LPB REC MNT GD UNV LL

51-933.7
EAO
1: $4.02
27In Stock

Mfr. Part No.
51-933.7

Mouser Part No
123-51-933.7

EAO

Switch Fixings LPB REC MNT GD UNV LL

Datasheet

27In Stock

$4.02

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS REC CCVE RED

51-938
EAO
1: $20.77
5In Stock
5On Order

Mfr. Part No.
51-938

Mouser Part No
123-51-938

EAO

Switch Fixings LENS REC CCVE RED

Datasheet

5In Stock

5On Order

$20.77

$20.76

$20.74

$20.58

View

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings KYLK REC MNT 2POS

51-947.0
EAO
1: $5.38
4In Stock

Mfr. Part No.
51-947.0

Mouser Part No
123-51-947.0

EAO

Switch Fixings KYLK REC MNT 2POS

Datasheet

4In Stock

$5.38

$5.30

$5.27

$5.21

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings LENS SQ FLT TLT YLW

51-951.9
EAO
1: $4.68
22In Stock
15On Order

Mfr. Part No.
51-951.9

Mouser Part No
123-51-951.9

EAO

Switch Fixings LENS SQ FLT TLT YLW

Datasheet

22In Stock

15On Order

$4.68

$4.67

$4.63

$4.56

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LPB SQ MNT GD UNV LL

51-953.1
EAO
1: $5.99
13In Stock

Mfr. Part No.
51-953.1

Mouser Part No
123-51-953.1

EAO

Switch Fixings LPB SQ MNT GD UNV LL

Datasheet

13In Stock

$5.99

$5.98

$5.88

$5.81

Quote

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings LENS SQ FLT TPT RED

51-953.2
EAO
1: $4.68
112In Stock
105On Order

Mfr. Part No.
51-953.2

Mouser Part No
123-51-953.2

EAO

Switch Fixings LENS SQ FLT TPT RED

Learn More

Datasheet

112In Stock

105On Order

$4.68

$4.60

$4.48

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS REC CCVE ORNG

51-953.3
EAO
1: $4.68
15In Stock

Mfr. Part No.
51-953.3

Mouser Part No
123-51-953.3

EAO

Switch Fixings LENS REC CCVE ORNG

Datasheet

15In Stock

$4.68

$4.60

$4.48

Min.: 1
Mult.: 1

Switch Hardware

Switch Fixings LENS SQ FLT TPT ORNG

51-953.4
EAO
1: $4.68
40In Stock

Mfr. Part No.
51-953.4

Mouser Part No
123-51-953.4

EAO

Switch Fixings LENS SQ FLT TPT ORNG

Datasheet

40In Stock

$4.68

$4.67

$4.63

$4.56

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS SQ FLT TPT GRN

51-953.5
EAO
1: $4.68
206In Stock

Mfr. Part No.
51-953.5

Mouser Part No
123-51-953.5

EAO

Switch Fixings LENS SQ FLT TPT GRN

Learn More

Datasheet

206In Stock

$4.68

$4.60

$4.48

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS FLT SQR SUP CLR

51-953.6
EAO
1: $4.49
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

$4.49

$4.48

$4.38

$4.37

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Fixings LENS SQ FLT TPT CLR

51-953.7
EAO
1: $4.68
105In Stock
6On Order

Mfr. Part No.
51-953.7

Mouser Part No
123-51-953.7

EAO

Switch Fixings LENS SQ FLT TPT CLR

Learn More

Datasheet

105In Stock

6On Order

$4.68

$4.63

$4.40

$4.26

$4.19

Min.: 1
Mult.: 1

Switch Hardware

Lens

Switch Contact Blocks / Switch Kits SWITCH BLOCK 2 ELEMENTS

51-972.F22
EAO
1: $49.67
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

$49.67

$49.13

$49.11

$48.81

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits

Switch Actuators IND REC BLK QC

51-040.002
EAO
1: $13.91
6In Stock

Mfr. Part No.
51-040.002

Mouser Part No
123-51-040.002

EAO

Switch Actuators IND REC BLK QC

Learn More

Datasheet

6In Stock

More Info Available

$13.91

$13.90

$13.89

Min.: 1
Mult.: 1

Switch Actuators

Indicator Actuator

Panel Mount

Switch Actuators KYLK RND POS-A C MOM

51-145.022D
EAO
1: $95.13
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

$95.13

$95.11

$94.43

$91.95

View

Min.: 1
Mult.: 1

Switch Actuators

Keylock Switches LENS REC CCVE TPT YLW

51-155.025D
EAO
1: $83.10
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

$83.10

$82.79

$81.88

$81.87

View

Min.: 1
Mult.: 1

Keylock Switches

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: $90.73
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

$90.73

$90.72

$90.01

$88.71

View

Min.: 1
Mult.: 1

Keylock Switches

DPST

Series 51 Switches

Types of Switches

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