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

AT Series Switch Hardware

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

Results: 300

Applied Filters:

Series = AT

Product

Type

For Use With

Designed for

Termination Style

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; }

Part #

Switch Hardware SWITCH TOGGLE

AT4181C-ASSEMBLY
NKK Switches
1: ¥1,393.6
6In Stock

Mfr. Part #
AT4181C-ASSEMBLY

Mouser Part #
633-AT4181C-ASSEMBLY

NKK Switches

Switch Hardware SWITCH TOGGLE

Datasheet

6In Stock

¥1,393.6

¥1,186

¥1,154.4

¥1,129.5

View

Min.: 1
Mult.: 1

Accessories

Boot Assembly

Switch Hardware O-RING

AT541
NKK Switches
1: ¥199.3
156In Stock

Mfr. Part #
AT541

Mouser Part #
633-AT541

NKK Switches

Switch Hardware O-RING

Datasheet

156In Stock

¥199.3

¥179.4

¥172.7

¥167.8

View

Min.: 1
Mult.: 1

Hardware

Washer

Pushbutton Switches

YB Series

Bulk

Switch Hardware RED/GRN BICOLOR LED W/24V RESISTOR YB

AT621CF24
NKK Switches
1: ¥2,900.1
20In Stock

Mfr. Part #
AT621CF24

Mouser Part #
633-AT621CF24

NKK Switches

Switch Hardware RED/GRN BICOLOR LED W/24V RESISTOR YB

Datasheet

20In Stock

¥2,900.1

¥2,737.3

¥2,584.5

¥2,368.6

Quote

Min.: 1
Mult.: 1

Accessories

LED Lamp

Pushbutton Switches

YB Series

Solder

Switch Hardware SWITCH ROCKER

AT637C
NKK Switches
1: ¥754.1
2In Stock

Mfr. Part #
AT637C

Mouser Part #
633-AT637C

NKK Switches

Switch Hardware SWITCH ROCKER

Datasheet

2In Stock

¥754.1

¥682.7

¥656.1

¥636.2

View

Min.: 1
Mult.: 1

Switch Hardware SWITCH ROCKER

AT637D
NKK Switches
1: ¥656.1
6In Stock

Mfr. Part #
AT637D

Mouser Part #
633-AT637D

NKK Switches

Switch Hardware SWITCH ROCKER

Datasheet

6In Stock

¥656.1

¥588

¥571.4

¥524.9

¥451.8

Min.: 1
Mult.: 1

Switch Hardware PC MOUNT N STYLE BATTERY HOLDER

AT094
NKK Switches
1: ¥895.3
855Expected 9/18/2026

Mfr. Part #
AT094

Mouser Part #
633-AT094

NKK Switches

Switch Hardware PC MOUNT N STYLE BATTERY HOLDER

Learn More

Datasheet

855Expected 9/18/2026

¥895.3

¥795.6

¥767.4

¥719.2

View

Min.: 1
Mult.: 1

Accessories

PCB Adapter

DSA01 Series

Solder

Switch Hardware E-stop protective guard

AT220
NKK Switches
1: ¥5,916.5
128On Order

Mfr. Part #
AT220

Mouser Part #
633-AT220

NKK Switches

Switch Hardware E-stop protective guard

Datasheet

128On Order

¥5,916.5

¥5,429.8

¥4,886.7

Quote

Min.: 1
Mult.: 1

Accessories

Protective Guard

FF01 Series Switches

E-Stop Switches

Switch Hardware PANEL FRAME .365"

AT064-2
NKK Switches
1: ¥242.5
477Expected 11/23/2026

Mfr. Part #
AT064-2

Mouser Part #
633-AT064-2

NKK Switches

Switch Hardware PANEL FRAME .365"

Datasheet

477Expected 11/23/2026

¥242.5

¥217.6

¥209.3

¥202.6

View

Min.: 1
Mult.: 1

Accessories

Frame

Toggle Switches, Miniature

M Series

Snap In

Switch Hardware PANEL FRAME

AT065-1
NKK Switches
1: ¥220.9
14Expected 10/15/2026

Mfr. Part #
AT065-1

Mouser Part #
633-AT065-1

NKK Switches

Switch Hardware PANEL FRAME

Datasheet

14Expected 10/15/2026

¥220.9

¥199.3

¥192.7

¥186

View

Min.: 1
Mult.: 1

Accessories

Frame

Toggle Switches, Miniature

M Series

Snap In

Switch Hardware KEY CKM-001

AT4146-001
NKK Switches
1: ¥971.7
25On Order

Mfr. Part #
AT4146-001

Mouser Part #
633-AT4146-001

NKK Switches

Switch Hardware KEY CKM-001

Datasheet

25On Order

¥971.7

¥906.9

¥883.7

¥858.7

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

CK Series

Bulk

Switch Hardware METRIC LOCKING RING FOR D-FLAT BUSHING

AT515M
NKK Switches
1: ¥106.3
100Expected 11/5/2026

Mfr. Part #
AT515M

Mouser Part #
633-AT515M

NKK Switches

Switch Hardware METRIC LOCKING RING FOR D-FLAT BUSHING

Datasheet

100Expected 11/5/2026

¥106.3

¥95.5

¥91.9

¥89.2

View

Min.: 1
Mult.: 1

Hardware

Ring

DIP Switches

FR01, M, MB24 Series

Switch Hardware SP PCB ADAPTOR LB

AT711
NKK Switches
1: ¥1,096.3
9In Stock

Mfr. Part #
AT711

Mouser Part #
633-AT711

NKK Switches

Switch Hardware SP PCB ADAPTOR LB

Datasheet

9In Stock

¥1,096.3

¥975

¥940.1

¥875.3

View

Min.: 1
Mult.: 1

Hardware

Contact

Pushbutton Switches

LB Series

Solder

Bulk

Switch Hardware FLAT KEY CKL 19mm

AT4153-012
NKK Switches
1: ¥1,106.2
91Factory Stock Available

Mfr. Part #
AT4153-012

Mouser Part #
633-4153-012

NKK Switches

Switch Hardware FLAT KEY CKL 19mm

Datasheet

91Factory Stock Available

More Info Available

¥1,106.2

¥921.9

¥898.6

¥873.7

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

CK Series

Bulk

Switch Hardware HEX NUT FOR CKL SERIES

AT019
NKK Switches
1: ¥506.6
490Factory Stock Available

Mfr. Part #
AT019

Mouser Part #
633-AT019

NKK Switches

Switch Hardware HEX NUT FOR CKL SERIES

Datasheet

490Factory Stock Available

More Info Available

¥506.6

¥490

¥483.4

¥480

View

Min.: 1
Mult.: 1

Hardware

Nut

Keylock Switches

CK Series

Screw

Bulk

Switch Hardware SWITCH E-STOP

AT053
NKK Switches
1: ¥182.7
8,695Stock Available

Mfr. Part #
AT053

Mouser Part #
633-AT053

NKK Switches

Switch Hardware SWITCH E-STOP

Datasheet

8,695Stock Available

More Info Available

¥182.7

¥164.3

¥158

¥130.6

Min.: 1
Mult.: 1

Switch Hardware SWITCH MEMBRANE

AT062A/1
NKK Switches
1: ¥300.6
3,978Factory Stock Available

Mfr. Part #
AT062A/1

Mouser Part #
633-AT062A/1

NKK Switches

Switch Hardware SWITCH MEMBRANE

Datasheet

3,978Factory Stock Available

More Info Available

¥300.6

¥289

¥285.7

¥282.4

View

Min.: 1
Mult.: 1

Hardware

Rocker

Switch Hardware TERMINAL SCREWS FOR S300 SERIES TOGGLES

AT082A
NKK Switches
1: ¥161.1
200Factory Stock Available

Mfr. Part #
AT082A

Mouser Part #
633-AT082A

NKK Switches

Switch Hardware TERMINAL SCREWS FOR S300 SERIES TOGGLES

Datasheet

200Factory Stock Available

More Info Available

¥161.1

¥137

¥135.2

¥133.9

View

Min.: 1
Mult.: 1

Hardware

Screw

Toggle Switches

S300 Series

Screw

Switch Hardware SCREW S-800

AT082C
NKK Switches
1: ¥172.7
87Factory Stock Available

Mfr. Part #
AT082C

Mouser Part #
633-AT082C

NKK Switches

Switch Hardware SCREW S-800

Datasheet

87Factory Stock Available

More Info Available

¥172.7

¥155.8

¥149.7

¥145.3

View

Min.: 1
Mult.: 1

Hardware

Screw

Toggle Switches

S800 Series

Screw

Switch Hardware WHITE BARRIER FOR JWL ROCKERS

AT218B
NKK Switches
1: ¥416.9
47Factory Stock Available

Mfr. Part #
AT218B

Mouser Part #
633-AT218B

NKK Switches

Switch Hardware WHITE BARRIER FOR JWL ROCKERS

Datasheet

47Factory Stock Available

More Info Available

¥416.9

¥403.6

¥395.3

¥388.7

View

Min.: 1
Mult.: 1

Accessories

Barrier

Rocker Switches

JWL Series

Snap In

Switch Hardware GRAY BARRIER FOR JWL

AT218H
NKK Switches
1: ¥421.9
60Factory Stock Available

Mfr. Part #
AT218H

Mouser Part #
633-AT218H

NKK Switches

Switch Hardware GRAY BARRIER FOR JWL

Datasheet

60Factory Stock Available

More Info Available

¥421.9

¥395.3

¥380.4

¥368.7

View

Min.: 1
Mult.: 1

Accessories

Barrier

Rocker Switches

JWL Series

Snap In

Bulk

Switch Hardware SQ SPLSH COVER LB/UB

AT4001
NKK Switches
1: ¥755.8
113Factory Stock Available

Mfr. Part #
AT4001

Mouser Part #
633-AT4001

NKK Switches

Switch Hardware SQ SPLSH COVER LB/UB

Datasheet

113Factory Stock Available

More Info Available

¥755.8

¥578

¥529.9

¥483.4

Min.: 1
Mult.: 1

Dust Cover

Pushbutton Switches

LB, UB Series

Snap On

Bulk

Switch Hardware ALL METAL KEY FOR SK PROCESS SLD KEYLOCK

AT4079
NKK Switches
1: ¥973.3
709Factory Stock Available

Mfr. Part #
AT4079

Mouser Part #
633-AT4079

NKK Switches

Switch Hardware ALL METAL KEY FOR SK PROCESS SLD KEYLOCK

Datasheet

709Factory Stock Available

More Info Available

¥973.3

¥863.7

¥832.2

¥813.9

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

SK Series

Snap On

Switch Hardware KEY RING FOR AT4080 KEYS

AT4080KR
NKK Switches
1: ¥1,096.3
34,772Factory Stock Available

Mfr. Part #
AT4080KR

Mouser Part #
633-AT4080KR

NKK Switches

Switch Hardware KEY RING FOR AT4080 KEYS

Datasheet

34,772Factory Stock Available

More Info Available

¥1,096.3

¥1,038.1

¥1,019.9

¥1,003.2

View

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

SK Series

Snap On

Switch Hardware ACTUATOR KEY FOR SK SERIES

AT4081
NKK Switches
1: ¥920.2
30Expected 9/16/2026

Mfr. Part #
AT4081

Mouser Part #
633-AT4081

NKK Switches

Switch Hardware ACTUATOR KEY FOR SK SERIES

Datasheet

30Expected 9/16/2026

¥920.2

¥862.1

¥735.8

Min.: 1
Mult.: 1

Hardware

Key

Keylock Switches

SK Series

Snap On

Bulk

Switch Hardware CENTER DIVIDER

AT4144
NKK Switches
1: ¥531.5
66Factory Stock Available

Mfr. Part #
AT4144

Mouser Part #
633-AT4144

NKK Switches

Switch Hardware CENTER DIVIDER

Datasheet

66Factory Stock Available

More Info Available

¥531.5

¥481.7

¥461.8

¥448.5

View

Min.: 1
Mult.: 1

Hardware

Spacer

Pushbutton Switches

UB2 Series

Bulk

Barrier
Battery Box
Boot
Boot Assembly
Bracket
Contact
Coupler
Diffuser, Translucent
Dust
Dust Cover
Extractor
Film Insert
Frame
Guard
Housing
Key
Kit
Knob
LED Lamp
Lens

A, AB Series
B, D2, DB, EB, FR01, M, MB20, MB25, MR, P Series
CK Series
D2, DB, EB, FR01, M, MB25, MR, P, S, SB Series
D2, DB, EB, M, MB20, MB24, MB25, MR, P Series
D2, DB, EB, M, MB20, MB24, P Series
D2, M, P Series
DSA01 Series
EB, M, MB20, MB24, P Series
EB, MB20 Series
EB Series
E-Stop Switches
FB Series
FR01, M, MB24 Series
FT Series
GB2 Series
HB, KB, LB, UB, YB Series
HB2 Series
HB Series
JB Series