Toggle Switches – Mouser United Kingdom

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Miniature T3 Commercial & MIL-Grade Toggles

OTTO Miniature T3 Commercial- and Military-Grade Toggles are rugged, highly reliable switches offering positive detent action for safe switching operation. These OTTO devices feature snap-action switch actuation with a unique toggle actuator design. High contact pressure and superior wiping action make the T3 series an excellent choice for switching loads from logic level up to 5A. Choose sealed one- or two-pole circuitry and momentary and/or maintained operation. The 15/32-32 bushing model is also available with a lever lockout toggle feature or thumb button actuators.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Illuminated	Contact Form	Switch Function	Mounting Style	Termination Style	Current Rating	Voltage Rating AC	Voltage Rating DC	Bushing Size	Actuator	Terminal Seal	Contact Plating	IP Rating	Series
Toggle Switches Snap Action Dbl Pole (ON) OFF (ON) T3-11251 OTTO 1: £37.25 23In Stock	Mfr. Part No. T3-11251 Mouser Part No 999-T3-11251	OTTO	Toggle Switches Snap Action Dbl Pole (ON) OFF (ON) Learn More about OTTO miniature t3 toggles	Datasheet	23In Stock	£37.25 £34.73 £33.51 £31.53 View £29.35 £28.10 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	(ON) - OFF - (ON)	Panel Mount	Solder Pin	5 A	115 VAC	28 VDC	15/32-32	Bat	Sealed	Silver		T3
Toggle Switches Snap Action Dbl Pole (ON) OFF ON T3-11261 OTTO 1: £40.14 16In Stock	Mfr. Part No. T3-11261 Mouser Part No 999-T3-11261	OTTO	Toggle Switches Snap Action Dbl Pole (ON) OFF ON Learn More about OTTO miniature t3 toggles	Datasheet	16In Stock	£40.14 £36.49 £34.56 £31.72 View £30.32 £28.94 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	(ON) - OFF - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Silver, Gold		T3
Toggle Switches Snap Action Dbl Pole OFF NONE ON T3-21221 OTTO 1: £29.11 9In Stock	Mfr. Part No. T3-21221 Mouser Part No 999-T3-21221	OTTO	Toggle Switches Snap Action Dbl Pole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	9In Stock	£29.11 £23.89 £22.95 £21.33 View £19.75 £18.85 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPST	OFF - NONE - ON	Panel Mount	Solder Pin	5 A	115 VAC	28 VDC	1/4-40	Bat	Unsealed	Silver		T3
Toggle Switches Snap Action Dbl Pole ON NONE ON T3-21231 OTTO 1: £29.37 9In Stock	Mfr. Part No. T3-21231 Mouser Part No 999-T3-21231	OTTO	Toggle Switches Snap Action Dbl Pole ON NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	9In Stock	£29.37 £23.34 £22.65 £20.62 View £18.60 £17.99 £17.45 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	1/4-40	Bat	Unsealed	Silver		T3
Toggle Switches Snap Action SnglPole OFF NONE ON T3-31121D OTTO 1: £85.04 7In Stock	Mfr. Part No. T3-31121D Mouser Part No 999-T3-31121D	OTTO	Toggle Switches Snap Action SnglPole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	7In Stock	£85.04 £74.88 £72.51 £68.54 View £63.57 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	OFF - NONE - ON	Panel Mount	Quick Connect	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Silver, Gold		T3
Toggle Switches Snap Action SnglPole ON NONE ON T3-31131D OTTO 1: £79.44 9In Stock	Mfr. Part No. T3-31131D Mouser Part No 999-T3-31131D	OTTO	Toggle Switches Snap Action SnglPole ON NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	9In Stock	£79.44 £73.16 £70.74 £68.91 View £63.36 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Silver, Gold		T3
Toggle Switches Snap Action Dbl Pole (ON) NONE ON T3-31241F OTTO 1: £82.06 3In Stock	Mfr. Part No. T3-31241F Mouser Part No 999-T3-31241F	OTTO	Toggle Switches Snap Action Dbl Pole (ON) NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	3In Stock	£82.06 £76.06 £72.96 £70.84 View £64.57 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Silver, Gold		T3
Toggle Switches Snap Action SnglPole (ON) OFF (ON) T3-21151 OTTO 1: £30.69 7Expected 16/11/2026	Mfr. Part No. T3-21151 Mouser Part No 999-T3-21151	OTTO	Toggle Switches Snap Action SnglPole (ON) OFF (ON) Learn More about OTTO miniature t3 toggles	Datasheet	7Expected 16/11/2026	£30.69 £24.86 £23.93 £21.97 View £20.38 £19.84	Min.: 1 Mult.: 1	Non-Illuminated	SPDT	(ON) - OFF - (ON)	Panel Mount	Solder Pin	5 A	115 VAC	28 VDC	1/4-40	Bat	Unsealed	Silver		T3
Toggle Switches Snap Action SnglPole OFF NONE ON T3-31122D OTTO 1: £92.71 3Expected 13/11/2026	Mfr. Part No. T3-31122D Mouser Part No 999-T3-31122D	OTTO	Toggle Switches Snap Action SnglPole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	3Expected 13/11/2026	£92.71 £77.63 £74.48 £70.08 View £65.36 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	OFF - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action Dbl Pole ON OFF ON T3-31211A OTTO 1: £114.65 11Expected 18/12/2026	Mfr. Part No. T3-31211A Mouser Part No 999-T3-31211A	OTTO	Toggle Switches Snap Action Dbl Pole ON OFF ON Learn More about OTTO miniature t3 toggles	Datasheet	11Expected 18/12/2026	£114.65 £102.53 £100.08 £97.04 View £88.16 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	ON - OFF - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Silver, Gold		T3
Toggle Switches T3-40028 OTTO 1: £115.05 5Expected 17/12/2026	Mfr. Part No. T3-40028 Mouser Part No 999-T3-40028	OTTO	Toggle Switches Learn More about OTTO miniature t3 toggles	Datasheet	5Expected 17/12/2026	£115.05 View £99.22 £94.48 £89.41 £85.49 Quote	Min.: 1 Mult.: 1	Non-Illuminated		OFF - NONE - ON	Panel Mount		5 A	115 VAC	28 VDC	15/32-32	Thumb	Sealed			T3
Toggle Switches Snap Action Dbl Pole OFF NONE ON T3-31222D OTTO 1: £86.51 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-31222D Mouser Part No 999-T3-31222D	OTTO	Toggle Switches Snap Action Dbl Pole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£86.51 £78.83 £75.65 £71.17 View £66.38 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPST	OFF - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action SnglPole ON OFF ON T3-11112 OTTO 1: £41.05 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11112 Mouser Part No 999-T3-11112	OTTO	Toggle Switches Snap Action SnglPole ON OFF ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£41.05 £37.91 £36.19 £33.05 View £31.39 £29.62 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPDT	ON - OFF - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action SnglPole OFF NONE ON T3-11122 OTTO 1: £39.64 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11122 Mouser Part No 999-T3-11122	OTTO	Toggle Switches Snap Action SnglPole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£39.64 £36.60 £34.94 £31.93 View £30.32 £28.61 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	OFF - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action SnglPole ON NONE ON T3-11132 OTTO 1: £41.05 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11132 Mouser Part No 999-T3-11132	OTTO	Toggle Switches Snap Action SnglPole ON NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£41.05 £37.91 £36.19 £33.05 View £31.39 £29.62 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action SnglPole (ON) NONE ON T3-11142 OTTO 1: £41.90 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11142 Mouser Part No 999-T3-11142	OTTO	Toggle Switches Snap Action SnglPole (ON) NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£41.90 £38.94 £37.43 £34.19 View £32.48 £30.63 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action SnglPole (ON) OFF (ON) T3-11152 OTTO 1: £40.89 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. T3-11152 Mouser Part No 999-T3-11152	OTTO	Toggle Switches Snap Action SnglPole (ON) OFF (ON) Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 9 Weeks	£40.89 £38.31 £36.88 £33.50 View £31.91 £31.08	Min.: 1 Mult.: 1	Non-Illuminated	SPDT	(ON) - OFF - (ON)	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action Dbl Pole ON NONE ON T3-11232 OTTO 1: £41.90 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11232 Mouser Part No 999-T3-11232	OTTO	Toggle Switches Snap Action Dbl Pole ON NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£41.90 £38.94 £37.43 £34.19 View £32.48 £30.63 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action Dbl Pole (ON) NONE ON T3-11242 OTTO 1: £43.28 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11242 Mouser Part No 999-T3-11242	OTTO	Toggle Switches Snap Action Dbl Pole (ON) NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£43.28 £40.24 £38.66 £35.32 View £33.55 £31.65 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	ON - NONE - ON	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action Dbl Pole (ON) OFF (ON) T3-11252 OTTO 1: £43.28 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-11252 Mouser Part No 999-T3-11252	OTTO	Toggle Switches Snap Action Dbl Pole (ON) OFF (ON) Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£43.28 £40.24 £38.66 £35.32 View £33.55 £31.65 Quote	Min.: 1 Mult.: 1	Non-Illuminated	DPDT	(ON) - OFF - (ON)	Panel Mount	Solder Turret	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold		T3
Toggle Switches Snap Action SnglPole ON OFF ON T3-14111 OTTO 1: £40.76 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-14111 Mouser Part No 999-T3-14111	OTTO	Toggle Switches Snap Action SnglPole ON OFF ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£40.76 £34.01 £32.46 £29.66 View £28.17 £26.72 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	ON - OFF - ON	Panel Mount	PC Pin	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold	IP68S	T3
Toggle Switches Snap Action SnglPole ON OFF ON T3-14112 OTTO 1: £41.76 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-14112 Mouser Part No 999-T3-14112	OTTO	Toggle Switches Snap Action SnglPole ON OFF ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£41.76 £38.55 £36.80 £33.62 View £31.94 £30.14 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	ON - OFF - ON	Panel Mount	PC Pin	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold	IP68S	T3
Toggle Switches Snap Action SnglPole OFF NONE ON T3-14121 OTTO 1: £35.44 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-14121 Mouser Part No 999-T3-14121	OTTO	Toggle Switches Snap Action SnglPole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£35.44 £32.72 £31.23 £29.01 View £27.10 £25.70 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	OFF - NONE - ON	Panel Mount	PC Pin	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold	IP68S	T3
Toggle Switches Snap Action SnglPole OFF NONE ON T3-14122 OTTO 1: £40.35 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-14122 Mouser Part No 999-T3-14122	OTTO	Toggle Switches Snap Action SnglPole OFF NONE ON Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£40.35 £37.25 £35.57 £32.49 View £30.87 £29.12 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	OFF - NONE - ON	Panel Mount	PC Pin	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold	IP68S	T3
Toggle Switches Miniature Toggle Switch T3-14122-A OTTO 1: £45.11 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. T3-14122-A Mouser Part No 999-T3-14122-A	OTTO	Toggle Switches Miniature Toggle Switch Learn More about OTTO miniature t3 toggles	Datasheet	Non-Stocked Lead-Time 8 Weeks	£45.11 £41.94 £40.28 £36.81 View £34.96 £32.99 Quote	Min.: 1 Mult.: 1	Non-Illuminated	SPST	OFF - NONE - ON	Panel Mount	PC Pin	5 A	115 VAC	28 VDC	15/32-32	Toggle	Sealed	Gold	IP68S	T3

Miniature T3 Commercial & MIL-Grade Toggles

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Miniature T3 Commercial & MIL-Grade Toggles

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