Rocker Switches – Mouser United Kingdom

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K1 & K2 Rockers with Illumination Option

OTTO K1 and K2 Rocker Switches are rugged, high-performance switches that are sealed to IP68S and IP69K, are ignition-protected, and include an optional panel gasket. OTTO K1 rockers are offered in a single-pole configuration. K2 models come in single- or double-pole. Both series have illuminated models with incandescent, LED, or neon light sources and easily snap into a wide range of panel openings from the front.

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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.	Product	Type	Illuminated	Illumination Colour	Lamp Type	Contact Form	Switch Function	Current Rating	Voltage Rating AC	Voltage Rating DC	Termination Style	Actuator	Color	Mounting Style	Terminal Seal	Contact Plating	IP Rating
Rocker Switches RockerSwitch Sealed 1-C1 NONE OFF SPST K2BBAPCABA OTTO 1: £24.77 10In Stock	Mfr. Part No. K2BBAPCABA Mouser Part No 999-K2BBAPCABA	OTTO	Rocker Switches RockerSwitch Sealed 1-C1 NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	10In Stock	£24.77 £21.82 £19.14 £18.32 View £17.08 £16.22 £15.57	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Green	LED	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Screw	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ABAAAAAF-USA OTTO 1: £15.03 18In Stock	Mfr. Part No. K1ABAAAAAF-USA Mouser Part No 999-K1ABAAAAAF-USA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	18In Stock	£15.03 £12.96 £12.39 £11.75 View £11.32 £10.61 £10.08 £9.64 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std (1-C) NONE OFF SPST K1ABCAAAAA OTTO 1: £12.42 202In Stock 539Expected 30/11/2026	Mfr. Part No. K1ABCAAAAA Mouser Part No 999-K1ABCAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std (1-C) NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	202In Stock 539Expected 30/11/2026	£12.42 £11.55 £10.60 £10.39 View £9.04 £8.40 £7.97 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	(ON) - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAAAAAAA OTTO 1: £16.58 15In Stock	Mfr. Part No. K1AAAAAAAA Mouser Part No 999-K1AAAAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	15In Stock	£16.58 £15.43 £12.42 £11.42 View £10.88 £9.88 £9.35 £8.98 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAAAAAAR OTTO 1: £16.96 45In Stock	Mfr. Part No. K1AAAAAAAR Mouser Part No 999-K1AAAAAAAR	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	45In Stock	£16.96 £14.81 £14.16 £12.41 View £11.93 £11.13 £10.48 £10.47	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ABAAAAAD OTTO 1: £17.83 12In Stock	Mfr. Part No. K1ABAAAAAD Mouser Part No 999-K1ABAAAAAD	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	12In Stock	£17.83 £16.88 £14.06 £13.08 View £12.20 £11.45 £10.86 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ABAAAAAP OTTO 1: £14.65 46In Stock	Mfr. Part No. K1ABAAAAAP Mouser Part No 999-K1ABAAAAAP	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	46In Stock	£14.65 £13.69 £12.58 £12.06 View £11.31 £10.73 £9.89 £9.59	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ABAAAAAR OTTO 1: £13.40 111In Stock	Mfr. Part No. K1ABAAAAAR Mouser Part No 999-K1ABAAAAAR	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	111In Stock	£13.40 £12.48 £11.90 £11.31 View £10.89 £10.26 £9.66 £9.01 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ABAPCABA OTTO 1: £19.70 44In Stock	Mfr. Part No. K1ABAPCABA Mouser Part No 999-K1ABAPCABA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	44In Stock	£19.70 £17.56 £16.73 £15.88 View £15.03 £14.14 £13.28 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Green	LED	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE 2-C SPDT K1ABBAAAAA OTTO 1: £15.43 31In Stock	Mfr. Part No. K1ABBAAAAA Mouser Part No 999-K1ABBAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE 2-C SPDT Learn More about OTTO k1 k2 rocker switches	Datasheet	31In Stock	£15.43 £14.33 £11.73 £10.88 View £10.27 £9.38 £8.99 £8.79	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	ON - NONE - ON	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std (1-C) OFF (2-C) SPD K1ABEAAAAA OTTO 1: £12.18 116In Stock	Mfr. Part No. K1ABEAAAAA Mouser Part No 999-K1ABEAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std (1-C) OFF (2-C) SPD Learn More about OTTO k1 k2 rocker switches	Datasheet	116In Stock	£12.18 £11.30 £10.45 £10.21 View £8.84 £8.49 £8.01	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	(ON) - OFF - (ON)	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C OFF 2-C SPDT K1ABFAAAAA OTTO 1: £12.00 156In Stock	Mfr. Part No. K1ABFAAAAA Mouser Part No 999-K1ABFAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C OFF 2-C SPDT Learn More about OTTO k1 k2 rocker switches	Datasheet	156In Stock	£12.00 £11.12 £10.62 £10.36 View £9.16 £8.79	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	ON - OFF - ON	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C OFF 2-C SPDT K1ABFNBBFA OTTO 1: £26.22 3In Stock 7Expected 30/11/2026	Mfr. Part No. K1ABFNBBFA Mouser Part No 999-K1ABFNBBFA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C OFF 2-C SPDT Learn More about OTTO k1 k2 rocker switches	Datasheet	3In Stock 7Expected 30/11/2026	£26.22 £24.05 £22.34 £21.36 View £19.93 £18.93 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Red	LED	SPDT	ON - OFF - ON	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std (1-C) OFF 2-C SPDT K1ABGAAAAA OTTO 1: £12.20 15In Stock	Mfr. Part No. K1ABGAAAAA Mouser Part No 999-K1ABGAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std (1-C) OFF 2-C SPDT Learn More about OTTO k1 k2 rocker switches	Datasheet	15In Stock	£12.20 £11.32 £10.41 £10.01 View £9.40 £9.03 £8.79	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	(ON) - OFF - ON	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ACAAAAAA OTTO 1: £15.06 54In Stock 152Expected 20/11/2026	Mfr. Part No. K1ACAAAAAA Mouser Part No 999-K1ACAAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	54In Stock 152Expected 20/11/2026	£15.06 £14.18 £11.92 £10.93 View £10.37 £9.45 £8.93 £8.79	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	White	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches Thermoplastic Black Solder Snap-IN (1-C) OFF (2-C) K1CBEAAAAA OTTO 1: £14.42 144In Stock 648Expected 14/12/2026	Mfr. Part No. K1CBEAAAAA Mouser Part No 999-K1CBEAAAAA	OTTO	Rocker Switches Thermoplastic Black Solder Snap-IN (1-C) OFF (2-C) Learn More about OTTO k1 k2 rocker switches	Datasheet	144In Stock 648Expected 14/12/2026	£14.42 £12.45 £11.89 £11.28 View £10.86 £10.18 £9.67 £9.25	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	(ON) - OFF - (ON)	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Solder Lug	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Snap In (1-C) OFF 2-C SPDT K1CBGAAAAA OTTO 1: £14.42 24In Stock 14On Order	Mfr. Part No. K1CBGAAAAA Mouser Part No 999-K1CBGAAAAA	OTTO	Rocker Switches RockerSwitch Snap In (1-C) OFF 2-C SPDT Learn More about OTTO k1 k2 rocker switches	Datasheet	24In Stock 14On Order	£14.42 £12.46 £11.90 £10.15 View £9.74 £9.16 £8.62 £8.06 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	(ON) - OFF - ON	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Solder Lug	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1ABAPEABA OTTO 1: £21.62 10Expected 10/12/2026	Mfr. Part No. K1ABAPEABA Mouser Part No 999-K1ABAPEABA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	10Expected 10/12/2026	£21.62 £19.69 £18.15 £16.89 View £15.84 £14.51 £14.10 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Green	LED	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std (1-C) NONE OFF SPST K1ABCNBABA OTTO 1: £21.62 9Expected 20/11/2026	Mfr. Part No. K1ABCNBABA Mouser Part No 999-K1ABCNBABA	OTTO	Rocker Switches RockerSwitch Q.C.Std (1-C) NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	9Expected 20/11/2026	£21.62 £17.52 £16.43 £15.71 View £14.88 £14.06 £13.65 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Red	LED	SPST	(ON) - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Black	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAAAAAAP OTTO 1: £15.59 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. K1AAAAAAAP Mouser Part No 999-K1AAAAAAAP	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	Non-Stocked Lead-Time 6 Weeks	£15.59 £14.40 £13.13 £12.48 View £11.70 £11.07 £10.25 £10.09 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAAEDABA OTTO 1: £21.07 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. K1AAAEDABA Mouser Part No 999-K1AAAEDABA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	Non-Stocked Lead-Time 6 Weeks	£21.07 £18.96 £17.79 £17.01 View £15.86 £15.07 £14.61 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Clear	Neon	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAANEABA OTTO 1: £19.47 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. K1AAANEABA Mouser Part No 999-K1AAANEABA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	Non-Stocked Lead-Time 6 Weeks	£19.47 £17.52 £16.43 £15.71 View £14.88 £14.06 £13.65 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Red	LED	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAAPAEEA OTTO 1: £19.47 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. K1AAAPAEEA Mouser Part No 999-K1AAAPAEEA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	Non-Stocked Lead-Time 6 Weeks	£19.47 £17.52 £16.43 £15.71 View £14.88 £14.06 £13.65 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Green	LED	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST K1AAARBABA OTTO 1: £19.47 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. K1AAARBABA Mouser Part No 999-K1AAARBABA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE OFF SPST Learn More about OTTO k1 k2 rocker switches	Datasheet	Non-Stocked Lead-Time 6 Weeks	£19.47 £17.52 £16.43 £15.71 View £14.88 £14.06 £13.65 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Illuminated	Red	LED	SPST	ON - NONE - OFF	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K
Rocker Switches RockerSwitch Q.C.Std 1-C NONE 2-C SPDT K1AABAAAAA OTTO 1: £13.20 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. K1AABAAAAA Mouser Part No 999-K1AABAAAAA	OTTO	Rocker Switches RockerSwitch Q.C.Std 1-C NONE 2-C SPDT Learn More about OTTO k1 k2 rocker switches	Datasheet	Non-Stocked Lead-Time 6 Weeks	£13.20 £12.11 £11.03 £10.48 View £9.89 £9.29 £8.68 £8.30 Quote	Min.: 1 Mult.: 1	Rocker Switches	Sealed Rocker Switch	Non-Illuminated			SPDT	ON - NONE - ON	5 A, 16 A	125 VAC, 250 VAC	28 VDC	Quick Connect	Rocker	Red	Panel Mount	Sealed	Silver	IP68S, IP69K

K1 & K2 Rockers with Illumination Option

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K1 & K2 Rockers with Illumination Option

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