.hide-partial { max-height: none; } .show-more { display: none; }

51 Series Keylock Switches

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 116

Applied Filters:

Series = 51

Illuminated

Contact Form

Switch Function

Current Rating

Voltage Rating AC

Termination Style

Key Type

Indexing

Number of Positions

Housing Material

IP Rating

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Download Table (.CSV)

Part #

Keylock Switches FRNT MOUNT NUT FLT

51-256.025D
EAO
1: $120.43
14In Stock

Mfr. Part #
51-256.025D

Mouser Part #
123-51-256.025D

EAO

Keylock Switches FRNT MOUNT NUT FLT

Datasheet

14In Stock

$120.43

$117.47

$108.44

$108.43

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches KYLK SQ MNT 2POS

51-255.022D
EAO
1: $101.43
15In Stock

Mfr. Part #
51-255.022D

Mouser Part #
123-51-255.022D

EAO

Keylock Switches KYLK SQ MNT 2POS

Learn More

Datasheet

15In Stock

$101.43

$93.76

$93.74

View

Min.: 1
Mult.: 1

Non-Illuminated

DPST

5 A

250 VAC

Solder Lug

Flat

90 deg

2 Position

Diallyl Phthalate (DAP)

Keylock Switches KYLK RND MOM 3POS

51-378.AD
EAO
1: $175.65
8In Stock

Mfr. Part #
51-378.AD

Mouser Part #
123-51-378.AD

EAO

Keylock Switches KYLK RND MOM 3POS

Learn More

Datasheet

8In Stock

$175.65

$151.46

$144.23

$136.49

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches Keylock switch 3 positions maintained(a)-rest(a)-momentary SPE 2NC+2NO ST/PT 18x18 gold/silver 311

51-388.F22D
EAO
1: $157.33
3In Stock

Mfr. Part #
51-388.F22D

Mouser Part #
123-51-388.F22D

EAO

Keylock Switches Keylock switch 3 positions maintained(a)-rest(a)-momentary SPE 2NC+2NO ST/PT 18x18 gold/silver 311

Datasheet

3In Stock

$157.33

$154.07

$150.04

$147.06

View

Min.: 1
Mult.: 1

Keylock Switches KYLK RND MNT 2POS

51-235.025D
EAO
1: $105.03
83In Stock

Mfr. Part #
51-235.025D

Mouser Part #
123-51-235.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

83In Stock

$105.03

$105.01

$104.98

$99.03

View

Min.: 1
Mult.: 1

Non-Illuminated

DPST

5 A

250 VAC

Solder Lug

Flat

90 deg

2 Position

Diallyl Phthalate (DAP)

Keylock Switches KYLK RND MNT 2POS

51-135.025D
EAO
1: $120.90
2In Stock

Mfr. Part #
51-135.025D

Mouser Part #
123-51-135.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

2In Stock

$120.90

$120.89

Min.: 1
Mult.: 1

Non-Illuminated

DPST

5 A

250 VAC

Solder Lug

Flat

90 deg

2 Position

Diallyl Phthalate (DAP)

Keylock Switches IND RND BLK UNV LL

51-196.025D
EAO
1: $127.08
4In Stock
8On Order

Mfr. Part #
51-196.025D

Mouser Part #
123-51-196.025D

EAO

Keylock Switches IND RND BLK UNV LL

Datasheet

4In Stock

8On Order

$127.08

$127.03

$125.43

$125.42

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches KYLK RND MNT 2POS

51-235.022D
EAO
1: $115.27
1In Stock

Mfr. Part #
51-235.022D

Mouser Part #
123-51-235.022D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

1In Stock

More Info Available

$115.27

$112.94

$112.15

$112.13

View

Min.: 1
Mult.: 1

Non-Illuminated

DPST

5 A

250 VAC

Solder Lug

Flat

90 deg

2 Position

Diallyl Phthalate (DAP)

Keylock Switches KYLK RND MNT 2POS

51-236.025D
EAO
1: $128.05
8In Stock

Mfr. Part #
51-236.025D

Mouser Part #
123-51-236.025D

EAO

Keylock Switches KYLK RND MNT 2POS

Learn More

Datasheet

8In Stock

More Info Available

$128.05

$127.87

$125.03

$125.02

View

Min.: 1
Mult.: 1

Non-Illuminated

DPST

5 A

250 VAC

Solder Lug

Flat

90 deg

2 Position

Diallyl Phthalate (DAP)

Keylock Switches LPB REC MNT SPST LL

51-295.022D
EAO
1: $108.05
1In Stock

Mfr. Part #
51-295.022D

Mouser Part #
123-51-295.022D

EAO

Keylock Switches LPB REC MNT SPST LL

Datasheet

1In Stock

$108.05

$108.00

$105.79

$105.77

View

Min.: 1
Mult.: 1

Non-Illuminated

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: $186.26
4In Stock

Mfr. Part #
51-297.025D2

Mouser Part #
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

4In Stock

More Info Available

$186.26

$160.60

$157.17

Min.: 1
Mult.: 1

Non-Illuminated

3P3T

ON - OFF

5 A

250 VAC

Solder Terminal

Keylocks

90 deg

2 Position

Plastic

IP65

Keylock Switches Keylock switch 3 positions main-0-main SPE 2NC+2NO ST/PT D 18 gold/silver C+A+B 311

51-372.F22D
EAO
1: $157.30
2In Stock

Mfr. Part #
51-372.F22D

Mouser Part #
123-51-372.F22D

EAO

Keylock Switches Keylock switch 3 positions main-0-main SPE 2NC+2NO ST/PT D 18 gold/silver C+A+B 311

Datasheet

2In Stock

$157.30

$155.52

$153.05

$151.42

View

Min.: 1
Mult.: 1

Non-Illuminated

DPDT

ON - OFF - ON

5 A

250 VAC

Solder Lug

90 deg

3 Position

Diallyl Phthalate (DAP)

IP65

Keylock Switches LENS REC CCVE ORNG

51-415.036D
EAO
1: $112.85
5In Stock
1On Order

Mfr. Part #
51-415.036D

Mouser Part #
123-51-415.036D

EAO

Keylock Switches LENS REC CCVE ORNG

Datasheet

5In Stock

1On Order

$112.85

$112.82

$106.77

$106.75

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches LENS REC CCVE TPT YLW

51-155.025D
EAO
1: $105.61
12In Stock

Mfr. Part #
51-155.025D

Mouser Part #
123-51-155.025D

EAO

Keylock Switches LENS REC CCVE TPT YLW

Datasheet

12In Stock

$105.61

$105.21

$104.05

$104.04

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches KYLK REC MNT 2POS

51-195.022D
EAO
1: $115.31
10In Stock

Mfr. Part #
51-195.022D

Mouser Part #
123-51-195.022D

EAO

Keylock Switches KYLK REC MNT 2POS

Learn More

Datasheet

10In Stock

$115.31

$115.29

$114.39

$112.74

View

Min.: 1
Mult.: 1

Non-Illuminated

DPST

5 A

250 VAC

Solder Lug

Flat

90 deg

2 Position

Diallyl Phthalate (DAP)

Keylock Switches KYLK RND MNT 3POS

51-382.022D
EAO
1: $157.33
1In Stock

Mfr. Part #
51-382.022D

Mouser Part #
123-51-382.022D

EAO

Keylock Switches KYLK RND MNT 3POS

Datasheet

1In Stock

$157.33

$154.07

$150.04

$145.74

View

Min.: 1
Mult.: 1

Non-Illuminated

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: $157.33
9On Order

Mfr. Part #
51-378.F22D

Mouser Part #
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

9On Order

$157.33

$154.07

$149.63

$146.64

View

Min.: 1
Mult.: 1

Non-Illuminated

Bulk

Keylock Switches DIFFUSER OPAL FOR

51-414.036D
EAO
1: $115.08

Mfr. Part #
51-414.036D

Mouser Part #
123-51-414.036D

EAO

Keylock Switches DIFFUSER OPAL FOR

Datasheet

More Info Available

$115.08

$115.06

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches LENS FLUSH HALO STYLE W-SLVR-GRAY

51-295.025D
EAO
1: $105.68
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
51-295.025D

Mouser Part #
123-51-295.025D

EAO

Keylock Switches LENS FLUSH HALO STYLE W-SLVR-GRAY

Datasheet

Non-Stocked Lead-Time 4 Weeks

$105.68

$105.67

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches LIGHTED PSHBUTN SQ MNT BLK SLGP SLDR

51-445.036D
EAO
1: $116.80
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
51-445.036D

Mouser Part #
123-51-445.036D

EAO

Keylock Switches LIGHTED PSHBUTN SQ MNT BLK SLGP SLDR

Datasheet

Non-Stocked Lead-Time 12 Weeks

$116.80

$116.78

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches IND RND BLK UNV LL

51-135.022D
EAO
1: $115.31
Non-Stocked

Mfr. Part #
51-135.022D

Mouser Part #
123-51-135.022D

EAO

Keylock Switches IND RND BLK UNV LL

Datasheet

Non-Stocked

$115.31

$115.27

$113.66

$112.33

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches

51-137.025D2
EAO
1: $118.11
Non-Stocked

Mfr. Part #
51-137.025D2

Mouser Part #
123-51-137.025D2

EAO

Keylock Switches

Datasheet

Non-Stocked

$118.11

$104.78

$97.75

$93.92

View

Min.: 1
Mult.: 1

Non-Illuminated

SPST

OFF - (ON)

5 A

250 VAC

2 Position

IP65

Keylock Switches LEG PLATEBLANK

51-155.012D
EAO
1: $64.43
Non-Stocked

Mfr. Part #
51-155.012D

Mouser Part #
123-51-155.012D

EAO

Keylock Switches LEG PLATEBLANK

Datasheet

Non-Stocked

$64.43

$56.99

$54.34

$50.69

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches KYLK RND MNT 2POS

51-155.022D
EAO
1: $115.31
Non-Stocked

Mfr. Part #
51-155.022D

Mouser Part #
123-51-155.022D

EAO

Keylock Switches KYLK RND MNT 2POS

Datasheet

Non-Stocked

$115.31

$115.27

$113.66

$112.33

View

Min.: 1
Mult.: 1

Non-Illuminated

Keylock Switches IND REC BLK UNV LL

51-155.022K
EAO
1: $112.85
Non-Stocked

Mfr. Part #
51-155.022K

Mouser Part #
123-51-155.022K

EAO

Keylock Switches IND REC BLK UNV LL

Datasheet

Non-Stocked

$112.85

$105.18

$102.13

$100.82

View

Min.: 1
Mult.: 1

Non-Illuminated

51 Series Keylock Switches

Mouser Electronics®

Company

Resources

Support