Basic / Snap Action Switches – Mouser United Kingdom

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B3 Basic Subminiature Snap-Action Switches

OTTO B3 Basic Subminiature Snap-Action Switches are SPDT, double-break, 2-circuit (Form Z), commercial and military-grade switches that meet all requirements of MIL-PRF-8805/76 (0.200" wide) or MIL-PRF-8805/101. The 0.156" thick components (MIL-PRF-8805/101) feature a minimum of one million mechanical cycles, contact resistance less than 25mΩ, and standard silver with gold contacts. For commercial applications, a variety of contact forms, special forces, and gold plate contacts are available. Most versions are also UL recognized and CSA certified.

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Part #

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

B3-14132
OTTO
1: £33.85
10In Stock

Mfr. Part No.
B3-14132

Mouser Part No
999-B3-14132

OTTO

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

Learn More

Datasheet

10In Stock

£33.85

£30.45

£26.98

£25.67

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Chassis Mount

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

B3-14332
OTTO
1: £33.44
10In Stock

Mfr. Part No.
B3-14332

Mouser Part No
999-B3-14332

OTTO

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

Learn More

Datasheet

10In Stock

£33.44

£31.57

£29.12

£27.68

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

6 oz

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins Low Current MIL

B3-15242
OTTO
1: £33.44
10In Stock

Mfr. Part No.
B3-15242

Mouser Part No
999-B3-15242

OTTO

Basic / Snap Action Switches 8A SPDT-DB RA PC Pins Low Current MIL

Learn More

Datasheet

10In Stock

£33.44

£31.57

£29.12

£27.68

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin, Right Angle

PCB Mount

Basic / Snap Action Switches 8A SPDT-DB PC Pins Low Current MIL

B3-21142
OTTO
1: £28.48
15In Stock

Mfr. Part No.
B3-21142

Mouser Part No
999-B3-21142

OTTO

Basic / Snap Action Switches 8A SPDT-DB PC Pins Low Current MIL

Learn More

Datasheet

15In Stock

£28.48

£23.83

£21.80

£20.93

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Pin

PCB Mount

Basic / Snap Action Switches 8A SPNO-DB PC Pins Low Current MIL

B3-21212
OTTO
1: £29.59
15In Stock

Mfr. Part No.
B3-21212

Mouser Part No
999-B3-21212

OTTO

Basic / Snap Action Switches 8A SPNO-DB PC Pins Low Current MIL

Learn More

Datasheet

15In Stock

£29.59

£26.61

£23.59

£22.42

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin

PCB Mount

Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL

B3-21341
OTTO
1: £25.27
15In Stock

Mfr. Part No.
B3-21341

Mouser Part No
999-B3-21341

OTTO

Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL

Learn More

Datasheet

15In Stock

£25.27

£21.17

£19.35

£18.58

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

6 oz

Solder Pin

PCB Mount

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL

B3-22142
OTTO
1: £35.71
10In Stock

Mfr. Part No.
B3-22142

Mouser Part No
999-B3-22142

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL

Learn More

Datasheet

10In Stock

£35.71

£26.79

£21.80

£20.93

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current MIL

B3-22332
OTTO
1: £39.81
5In Stock

Mfr. Part No.
B3-22332

Mouser Part No
999-B3-22332

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current MIL

Learn More

Datasheet

5In Stock

£39.81

£27.35

£24.25

£23.06

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

6 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

B3-24232
OTTO
1: £31.92
15In Stock

Mfr. Part No.
B3-24232

Mouser Part No
999-B3-24232

OTTO

Basic / Snap Action Switches 8A SPDT Wire Wrap Low Current MIL

Learn More

Datasheet

15In Stock

£31.92

£28.70

£25.44

£24.18

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Chassis Mount

Basic / Snap Action Switches 8A SPDT Solder High Current MIL

B3-26131
OTTO
1: £22.41
9In Stock

Mfr. Part No.
B3-26131

Mouser Part No
999-B3-26131

OTTO

Basic / Snap Action Switches 8A SPDT Solder High Current MIL

Learn More

Datasheet

9In Stock

£22.41

£18.77

£17.16

£16.47

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Terminal

PCB Mount

Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current

B3-32232
OTTO
1: £29.24
15In Stock

Mfr. Part No.
B3-32232

Mouser Part No
999-B3-32232

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current

Learn More

Datasheet

15In Stock

£29.24

£25.11

£22.71

£21.59

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB RA PC Low Current

B3-45242
OTTO
1: £32.01
10In Stock

Mfr. Part No.
B3-45242

Mouser Part No
999-B3-45242

OTTO

Basic / Snap Action Switches 8A SPDT-DB RA PC Low Current

Learn More

Datasheet

10In Stock

£32.01

£28.77

£25.50

£24.26

View

Min.: 1
Mult.: 1

Commercial Grade Subminiature

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin, Right Angle

PCB Mount

Basic / Snap Action Switches Sub-Min 8A SPST/SPDT Single Break Switch

B3-46131
OTTO
1: £20.95
20In Stock

Mfr. Part No.
B3-46131

Mouser Part No
999-B3-46131

OTTO

Basic / Snap Action Switches Sub-Min 8A SPST/SPDT Single Break Switch

Learn More

Datasheet

20In Stock

£20.95

£17.55

£16.05

£15.40

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Terminal

PCB Mount

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL

B3-12111
OTTO
1: £26.52
95In Stock

Mfr. Part No.
B3-12111

Mouser Part No
999-B3-12111

OTTO

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL

Learn More

Datasheet

95In Stock

£26.52

£22.20

£20.30

£19.49

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

B3-12141
OTTO
1: £24.38
1,010In Stock

Mfr. Part No.
B3-12141

Mouser Part No
999-B3-12141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

Learn More

Datasheet

1,010In Stock

£24.38

£19.99

£19.00

£18.06

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 Low Current MIL

B3-12112
OTTO
1: £31.62
15In Stock

Mfr. Part No.
B3-12112

Mouser Part No
999-B3-12112

OTTO

Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 Low Current MIL

Learn More

Datasheet

15In Stock

£31.62

£28.43

£25.20

£23.96

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPST-NO

Button

8 A

115 VAC

28 VDC

3 oz, 8 oz

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL

B3-12142
OTTO
1: £30.33
4In Stock

Mfr. Part No.
B3-12142

Mouser Part No
999-B3-12142

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL

Learn More

Datasheet

4In Stock

£30.33

£27.23

£24.24

£23.18

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT Turret 3/16 HighCurrent MIL

B3-13131
OTTO
1: £32.15
6In Stock

Mfr. Part No.
B3-13131

Mouser Part No
999-B3-13131

OTTO

Basic / Snap Action Switches 8A SPDT Turret 3/16 HighCurrent MIL

Learn More

Datasheet

6In Stock

£32.15

£23.47

£20.77

£19.53

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

B3-22141
OTTO
1: £21.92
32In Stock

Mfr. Part No.
B3-22141

Mouser Part No
999-B3-22141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL

Learn More

Datasheet

32In Stock

£21.92

£20.17

£19.90

Quote

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT-DB Solder High Current MIL

B3-26141
OTTO
1: £25.33
5In Stock

Mfr. Part No.
B3-26141

Mouser Part No
999-B3-26141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Solder High Current MIL

Learn More

Datasheet

5In Stock

£25.33

£19.18

£18.00

£16.88

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Terminal

PCB Mount

Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current

B3-32131
OTTO
1: £34.34
20In Stock

Mfr. Part No.
B3-32131

Mouser Part No
999-B3-32131

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current

Learn More

Datasheet

20In Stock

£34.34

£21.30

£18.59

£17.40

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches 8A SPDT PC Pins Low Current MIL

B3-11232
OTTO
1: £32.37
18Expected 30/03/2026

Mfr. Part No.
B3-11232

Mouser Part No
999-B3-11232

OTTO

Basic / Snap Action Switches 8A SPDT PC Pins Low Current MIL

Learn More

Datasheet

18Expected 30/03/2026

£32.37

£29.11

£25.79

£24.53

View

Min.: 1
Mult.: 1

Military Grade Subminiature Basic Switch

SPDT

Button

8 A

115 VAC

28 VDC

5 oz

Solder Pin

PCB Mount

Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current MIL

B3-12132
OTTO
1: £32.41
8Expected 13/04/2026

Mfr. Part No.
B3-12132

Mouser Part No
999-B3-12132

OTTO

Basic / Snap Action Switches 8A SPDT Turret 1/8 Low Current MIL

Learn More

Datasheet

8Expected 13/04/2026

£32.41

£28.00

£24.99

£23.70

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

Basic / Snap Action Switches Subminiature Basic Switch

B3-12212
OTTO
1: £30.28
7Expected 20/03/2026

Mfr. Part No.
B3-12212

Mouser Part No
999-B3-12212

OTTO

Basic / Snap Action Switches Subminiature Basic Switch

Learn More

Datasheet

7Expected 20/03/2026

£30.28

£28.70

£24.77

£23.70

View

Min.: 1
Mult.: 1

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current

B3-42141
OTTO
1: £21.52
18Expected 12/03/2026

Mfr. Part No.
B3-42141

Mouser Part No
999-B3-42141

OTTO

Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current

Learn More

Datasheet

18Expected 12/03/2026

£21.52

£17.58

£16.08

£15.36

View

Min.: 1
Mult.: 1

Subminiature

SPDT

ON - (OFF), OFF - (ON)

Button

8 A

115 VAC

28 VDC

141 gf, 170 gf

Solder Turret

Chassis Mount

B3 Basic Subminiature Snap-Action Switches

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