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18 mm Circuit Breakers

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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.	Series	Product	Type	Current Rating	Voltage Rating AC	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated
Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 482-G323-J1M1-B2S1-6A E-T-A 1: £185.07 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-6A Mouser Part No 457-82G323J1M1B2S16A	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	1In Stock	£185.07 £140.14 £127.13	Min.: 1 Mult.: 1	482-G	Thermal Circuit Breakers		6 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers 482-G323-J1M1-B2S1-4A E-T-A 1: £181.44 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-4A Mouser Part No 457-82G323J1M1B2S14A	E-T-A	Circuit Breakers		1In Stock	£181.44 £150.39 £138.62 £114.56 View Quote	Min.: 1 Mult.: 1	482-G	Thermal Circuit Breakers		4 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 1A 14K D-TRIP 5SJ41018HG41 Siemens 1: £66.38 5In Stock	Mfr. Part No. 5SJ41018HG41 Mouser Part No 982-5SJ41018HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 1A 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	£66.38 £53.76 £51.93 £48.15 View £46.61 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K D-TRIP 5SJ41048HG40 Siemens 1: £57.40 5In Stock	Mfr. Part No. 5SJ41048HG40 Mouser Part No 982-5SJ41048HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	£57.40 £49.02 £39.34 £37.76 View £36.47 £35.37 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP 5SJ41027HG40 Siemens 1: £58.26 15In Stock	Mfr. Part No. 5SJ41027HG40 Mouser Part No 982-5SJ41027HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	15In Stock	£58.26 £49.08 £42.70 £37.30 View £34.88 £33.54	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP 5SJ41067HG41 Siemens 1: £56.80 23In Stock	Mfr. Part No. 5SJ41067HG41 Mouser Part No 982-5SJ41067HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	23In Stock	£56.80 £47.91 £45.02 £40.64 View £37.92 £37.65 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	6 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP 5SJ41118HG40 Siemens 1: £52.68 16In Stock	Mfr. Part No. 5SJ41118HG40 Mouser Part No 982-5SJ41118HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	16In Stock	£52.68 £43.11 £40.62 £36.92 View £34.68 £33.28 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	5 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 482-G323-J1M1-B2S0T-20A E-T-A 1: £136.35 7In Stock	Mfr. Part No. 482-G323-J1M1-B2S0T-20A Mouser Part No 457-2G323J1M1B2S0T20	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	7In Stock	£136.35 £135.36 £97.57 £89.74 £87.68	Min.: 1 Mult.: 1	482-G	Thermal Circuit Breakers		20 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 10A SAME PH 14K C-TRIP 5SJ41107HG40 Siemens 1: £52.68 36In Stock	Mfr. Part No. 5SJ41107HG40 Mouser Part No 982-5SJ41107HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 10A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	36In Stock	£52.68 £45.57 £42.65 £36.92 View £34.68 £33.28 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	10 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 5SY41066 Siemens 1: £54.25 44In Stock	Mfr. Part No. 5SY41066 Mouser Part No 982-5SY41066	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	44In Stock	£54.25 £49.41 £45.82 £41.93 View £40.58 £39.39 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	6 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP 5SY41187 Siemens 1: £47.52 33In Stock	Mfr. Part No. 5SY41187 Mouser Part No 982-5SY41187	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	33In Stock	£47.52 £42.98 £39.70 £35.09 View £32.69 £31.16	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	15 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers ETA Circuit Breakers 4130-G411-K4M1-50A E-T-A 1: £71.07 53In Stock	Mfr. Part No. 4130-G411-K4M1-50A Mouser Part No 457-4130G411K4M150A	E-T-A	Circuit Breakers ETA Circuit Breakers	Datasheet	53In Stock	£71.07 £58.73 £53.95 £45.92 £44.56	Min.: 1 Mult.: 1	4130	Thermal Circuit Breakers	Thermal Magnetic	50 A	240 VAC	50 VDC	1 Pole	Push-Pull	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 1A SAME PH 14K C-TRIP 5SJ41017HG40 Siemens 1: £58.48 5In Stock	Mfr. Part No. 5SJ41017HG40 Mouser Part No 982-5SJ41017HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 1A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	£58.48 £49.29 £45.77 £37.30 View £34.88 £33.99 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	1 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 1A 14K C-TRIP 5SJ41017HG41 Siemens 1: £63.35 6In Stock	Mfr. Part No. 5SJ41017HG41 Mouser Part No 982-5SJ41017HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 1A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	6In Stock	£63.35 £53.85 £49.77 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	1 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 1A 10K D-TRIP 5SJ41018HG42 Siemens 1: £63.52 1In Stock	Mfr. Part No. 5SJ41018HG42 Mouser Part No 982-5SJ41018HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 1A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	£63.52 £53.86 £49.77 £41.18 £37.92	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 2A 14K C-TRIP 5SJ41027HG41 Siemens 1: £57.18 11In Stock	Mfr. Part No. 5SJ41027HG41 Mouser Part No 982-5SJ41027HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 2A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	11In Stock	£57.18 £49.80 £46.60 £40.34 View £37.89 £37.44 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 2A 10K C-TRIP 5SJ41027HG42 Siemens 1: £63.35 16In Stock	Mfr. Part No. 5SJ41027HG42 Mouser Part No 982-5SJ41027HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 2A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	16In Stock	£63.35 £53.85 £49.77 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 2A 10K D-TRIP 5SJ41028HG42 Siemens 1: £63.35 3In Stock	Mfr. Part No. 5SJ41028HG42 Mouser Part No 982-5SJ41028HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 2A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	3In Stock	£63.35 £50.55 £47.22 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K C-TRIP 5SJ41037HG40 Siemens 1: £58.48 15In Stock	Mfr. Part No. 5SJ41037HG40 Mouser Part No 982-5SJ41037HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	15In Stock	£58.48 £49.29 £45.77 £37.30 View £34.88 £33.99 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 3A 14K C-TRIP 5SJ41037HG41 Siemens 1: £63.35 5In Stock	Mfr. Part No. 5SJ41037HG41 Mouser Part No 982-5SJ41037HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 3A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	£63.35 £53.85 £49.77 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 5SJ41037HG42 Siemens 1: £63.35 13In Stock	Mfr. Part No. 5SJ41037HG42 Mouser Part No 982-5SJ41037HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	13In Stock	£63.35 £53.76 £50.93 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K C-TRIP 5SJ41047HG40 Siemens 1: £52.68 12In Stock	Mfr. Part No. 5SJ41047HG40 Mouser Part No 982-5SJ41047HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	12In Stock	£52.68 £49.29 £45.77 £36.92 View £34.68 £33.28 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 4A 14K C-TRIP 5SJ41047HG41 Siemens 1: £63.35 4In Stock	Mfr. Part No. 5SJ41047HG41 Mouser Part No 982-5SJ41047HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 4A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	4In Stock	£63.35 £53.85 £49.77 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 4A 10K C-TRIP 5SJ41047HG42 Siemens 1: £63.35 9In Stock	Mfr. Part No. 5SJ41047HG42 Mouser Part No 982-5SJ41047HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 4A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	9In Stock	£63.35 £53.85 £49.77 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 4A 10K D-TRIP 5SJ41048HG42 Siemens 1: £63.35 10In Stock	Mfr. Part No. 5SJ41048HG42 Mouser Part No 982-5SJ41048HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 4A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	10In Stock	£63.35 £55.05 £50.93 £40.80 £37.92	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated

18 mm Circuit Breakers

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1 A
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16 A
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