Basic / Snap Action Switches

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Type	Contact Form	Switch Function	Actuator	Current Rating	Voltage Rating AC	Voltage Rating DC	Operating Force	Termination Style	Mounting Style
Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL B3-22111 OTTO 1: 34,34 € 20In Stock	Mfr. Part No. B3-22111 Mouser Part No 999-B3-22111	OTTO	Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	20In Stock	34,34 € 25,76 € 21,96 € 20,91 € View 19,14 € 18,54 € 18,53 €	Min.: 1 Mult.: 1	B3	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 SPNC-DB Turret 1/8 High Current MIL B3-22121 OTTO 1: 34,34 € 20In Stock	Mfr. Part No. B3-22121 Mouser Part No 999-B3-22121	OTTO	Basic / Snap Action Switches 8A SPNC-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	20In Stock	34,34 € 25,76 € 21,96 € 20,91 € View 19,14 € 18,54 € 18,53 €	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPST-NC		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current MIL B3-22231 OTTO 1: 35,50 € 15In Stock	Mfr. Part No. B3-22231 Mouser Part No 999-B3-22231	OTTO	Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	35,50 € 26,63 € 22,70 € 21,62 € View 19,79 € 19,17 € 19,16 € Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL B3-22242 OTTO 1: 44,84 € 15In Stock	Mfr. Part No. B3-22242 Mouser Part No 999-B3-22242	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	44,84 € 33,64 € 28,67 € 27,15 € View 24,99 € 24,21 € Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL B3-22342 OTTO 1: 47,17 € 15In Stock	Mfr. Part No. B3-22342 Mouser Part No 999-B3-22342	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	15In Stock	47,17 € 35,39 € 30,18 € 28,57 € View 26,29 € 25,48 € Quote	Min.: 1 Mult.: 1	B3	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 PC Pins High Current MIL B3-31131 OTTO 1: 32,48 € 11In Stock	Mfr. Part No. B3-31131 Mouser Part No 999-B3-31131	OTTO	Basic / Snap Action Switches 8A SPDT PC Pins High Current MIL Learn More about OTTO OTTOB3	Datasheet	11In Stock	32,48 € 24,35 € 22,69 € 21,12 € View 19,05 € 18,28 € 17,51 €	Min.: 1 Mult.: 1	B3	Subminiature	SPDT	ON - (OFF), OFF - (ON)	Button	8 A	115 VAC	28 VDC	141 gf, 170 gf	Solder Pin	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current B3-32342 OTTO 1: 46,48 € 15In Stock	Mfr. Part No. B3-32342 Mouser Part No 999-B3-32342	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 Low Current Learn More about OTTO OTTOB3	Datasheet	15In Stock	46,48 € 34,87 € 28,49 € 27,10 € View 24,70 € 23,99 € 23,98 € Quote	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	8 A	115 VAC	28 VDC	6 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current B3-42211 OTTO 1: 34,34 € 15In Stock	Mfr. Part No. B3-42211 Mouser Part No 999-B3-42211	OTTO	Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current Learn More about OTTO OTTOB3	Datasheet	15In Stock	34,34 € 25,76 € 21,96 € 20,91 € View 19,14 € 18,54 € 18,53 €	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPST-NO		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Wire Wrap High Current B3-44141 OTTO 1: 35,50 € 20In Stock	Mfr. Part No. B3-44141 Mouser Part No 999-B3-44141	OTTO	Basic / Snap Action Switches 8A SPDT-DB Wire Wrap High Current Learn More about OTTO OTTOB3	Datasheet	20In Stock	35,50 € 26,63 € 22,70 € 21,62 € View 19,79 € 19,17 € 19,16 € Quote	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz		Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Solder High Current B3-46141 OTTO 1: 31,41 € 31In Stock	Mfr. Part No. B3-46141 Mouser Part No 999-B3-46141	OTTO	Basic / Snap Action Switches 8A SPDT-DB Solder High Current Learn More about OTTO OTTOB3	Datasheet	31In Stock	31,41 € 23,55 € 21,60 € 19,13 € View 17,51 € 16,95 € 16,59 €	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Terminal	PCB Mount
Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL B3-11141 OTTO 1: 32,81 € 7In Stock	Mfr. Part No. B3-11141 Mouser Part No 999-B3-11141	OTTO	Basic / Snap Action Switches 8A SPDT-DB PC Pins High Current MIL Learn More about OTTO OTTOB3	Datasheet	7In Stock	32,81 € 26,94 € 24,65 € 23,47 € View 21,48 € 20,81 € Quote	Min.: 1 Mult.: 1	B3	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 Subminiature Basic Switch OTTO B3-33341 B3-33341 OTTO 1: 32,12 € 3In Stock	Mfr. Part No. B3-33341 Mouser Part No 999-B3-33341	OTTO	Basic / Snap Action Switches Subminiature Basic Switch	Datasheet	3In Stock	32,12 € 26,36 € 24,13 € 22,97 € View 21,02 € 20,37 € Quote	Min.: 1 Mult.: 1	B3	Commercial Grade Subminiature	SPDT		Button	5 A	115 VAC	28 VDC	5 oz	Wire Lead	PCB Mount
Basic / Snap Action Switches 8A SPNO-DB Turret 1/8 High Current MIL B3-12111 OTTO 1: 39,72 € 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 about OTTO OTTOB3	Datasheet	95In Stock	39,72 € 29,80 € 27,31 € 25,66 € View 22,15 € 21,46 € 21,45 € Quote	Min.: 1 Mult.: 1	B3	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: 31,71 € 885In 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 about OTTO OTTOB3	Datasheet	885In Stock	31,71 € 26,20 € 24,52 € 23,14 € View 21,96 € Quote	Min.: 1 Mult.: 1	B3	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: 49,06 € 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 about OTTO OTTOB3	Datasheet	15In Stock	49,06 € 36,81 € 31,38 € 29,71 € View 27,35 € 26,50 € Quote	Min.: 1 Mult.: 1	B3	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: 37,58 € 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 about OTTO OTTOB3	Datasheet	4In Stock	37,58 € 31,99 € 30,38 € 28,92 € View 26,82 € 25,66 €	Min.: 1 Mult.: 1	B3	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 B3-12241 OTTO 1: 40,88 € 9In Stock	Mfr. Part No. B3-12241 Mouser Part No 999-B3-12241	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	9In Stock	40,88 € 30,67 € 26,15 € 24,89 € View 22,79 € 22,08 € Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT Turret 3/16 HighCurrent MIL B3-13131 OTTO 1: 33,26 € 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 about OTTO OTTOB3	Datasheet	6In Stock	33,26 € 28,07 € 25,06 € 23,50 € View 21,09 € 19,72 € Quote	Min.: 1 Mult.: 1	B3	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 Low Current MIL B3-13132 OTTO 1: 48,46 € 13In Stock	Mfr. Part No. B3-13132 Mouser Part No 999-B3-13132	OTTO	Basic / Snap Action Switches 8A SPDT Turret 3/16 Low Current MIL Learn More about OTTO OTTOB3	Datasheet	13In Stock	48,46 € 36,35 € 31,00 € 29,34 € View 27,01 € 26,17 € Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		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 B3-22141 OTTO 1: 22,80 € 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 about OTTO OTTOB3	Datasheet	32In Stock	22,80 € 21,49 € 21,09 € 19,88 € View 18,45 € 18,15 € 18,07 € Quote	Min.: 1 Mult.: 1	B3	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 B3-22241 OTTO 1: 35,39 € 19In Stock	Mfr. Part No. B3-22241 Mouser Part No 999-B3-22241	OTTO	Basic / Snap Action Switches 8A SPDT-DB Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	19In Stock	35,39 € 26,67 € 24,07 € 22,43 € View 20,83 € 20,06 € 20,04 €	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	5 oz	Solder Turret	Chassis Mount
Basic / Snap Action Switches 8A SPDT-DB Solder High Current MIL B3-26141 OTTO 1: 28,23 € 13In 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 about OTTO OTTOB3	Datasheet	13In Stock	28,23 € 23,40 € 22,00 € 20,71 € View 19,08 € 17,96 € Quote	Min.: 1 Mult.: 1	B3	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: 25,71 € 8In 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 about OTTO OTTOB3	Datasheet	8In Stock	25,71 € 21,81 € 19,90 € 19,02 € View 17,86 € 17,33 € Quote	Min.: 1 Mult.: 1	B3	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: 40,89 € 23Expected 26/10/2026	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 about OTTO OTTOB3	Datasheet	23Expected 26/10/2026	40,89 € 34,45 € 31,53 € 29,89 € View 27,63 € 26,91 €	Min.: 1 Mult.: 1	B3	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 High Current MIL B3-22131 OTTO 1: 33,16 € 6Expected 03/11/2026	Mfr. Part No. B3-22131 Mouser Part No 999-B3-22131	OTTO	Basic / Snap Action Switches 8A SPDT Turret 1/8 High Current MIL Learn More about OTTO OTTOB3	Datasheet	6Expected 03/11/2026	33,16 € 24,87 € 21,21 € 20,20 € View 18,48 € 17,91 € 17,90 € Quote	Min.: 1 Mult.: 1	B3	Military Grade Subminiature Basic Switch	SPDT		Button	8 A	115 VAC	28 VDC	3 oz, 8 oz	Solder Turret	Chassis Mount

B3 Basic Subminiature Snap-Action Switches

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