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Circuit Breakers

Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
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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 TMC 82C 01A 2907582 Phoenix Contact 1: £27.78 53In Stock	Mfr. Part No. 2907582 Mouser Part No 651-2907582	Phoenix Contact	Circuit Breakers TMC 82C 01A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	53In Stock	£27.78 £26.36	Min.: 1 Mult.: 1	TMC 8	Circuit Breakers	Thermal Magnetic	1 A	240 VAC	125 VDC	2 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 1423695-7 TE Connectivity / P&B 1: £5.50 416In Stock	Mfr. Part No. 1423695-7 Mouser Part No 655-1423695-7	TE Connectivity / P&B	Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q	Datasheet	416In Stock	£5.50 £4.90 £4.73 £3.99 View £3.55 £3.38 £3.22 £3.18	Min.: 1 Mult.: 1	W58	Thermal Circuit Breakers	Thermal Magnetic	3 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 5A ROCKR ACT RED ILL W51-A121B1-5 TE Connectivity / P&B 1: £4.59 1,794In Stock	Mfr. Part No. W51-A121B1-5 Mouser Part No 655-W51-A121B1-5	TE Connectivity / P&B	Circuit Breakers 5A ROCKR ACT RED ILL	Datasheet	1,794In Stock	£4.59 £4.10 £3.55 £3.17 View £2.93 £2.84 £2.79 £2.76	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	5 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH W67-X2Q12-30 TE Connectivity / P&B 1: £52.18 87In Stock	Mfr. Part No. W67-X2Q12-30 Mouser Part No 655-W67-X2Q12-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A WH	Datasheet	87In Stock	£52.18	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH W68-X2Q13-15 TE Connectivity / P&B 1: £130.24 46In Stock	Mfr. Part No. W68-X2Q13-15 Mouser Part No 655-W68-X2Q13-15	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 15A WH	Datasheet	46In Stock	£130.24 £119.31 £119.30 £112.84	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	15 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK W91-X152-30 TE Connectivity / P&B 1: £53.60 150In Stock	Mfr. Part No. W91-X152-30 Mouser Part No 655-W91-X152-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK	Datasheet	150In Stock	£53.60 £52.18	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER PP21-2-5.00A-OB-V AIRPAX 1: £33.44 34In Stock	Mfr. Part No. PP21-2-5.00A-OB-V Mouser Part No 874-PP21-2-500A-OB-V	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	34In Stock	£33.44	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	5 A	250 VAC	65 VDC	2 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 3A CIRCUIT PROTECTOR NRF110-3A IDEC 1: £12.88 7In Stock	Mfr. Part No. NRF110-3A Mouser Part No 199-NRF1103A	IDEC	Circuit Breakers 3A CIRCUIT PROTECTOR	Datasheet	7In Stock	£12.88 £12.71 £9.06 £8.14 View £7.51 £6.63 £6.53 Quote	Min.: 1 Mult.: 1	NRF	Circuit Breakers			250 VAC	32 VDC	1 Pole		- 10 C	+ 60 C
Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suited for overload p 3120-N324-H7T1-W01D-X3120-U0200M-16A E-T-A 1: £77.03 7In Stock	Mfr. Part No. 3120-N324-H7T1-W01D-X3120-U0200M-16A Mouser Part No 457-01DX3120U0200M16	E-T-A	Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suited for overload p Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	7In Stock	£77.03 £66.63 £59.72 £51.34 View £47.92 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 3120-N521-H7T1-W02L-X3120-U0203M-20A E-T-A 1: £83.53 6In Stock	Mfr. Part No. 3120-N521-H7T1-W02L-X3120-U0203M-20A Mouser Part No 457-02LX3120U0203M20	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	6In Stock	£83.53 £72.10 £64.93 £55.67 View £51.96 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-15A 94 2210-S221-P1M1-H111-16A E-T-A 1: £185.39 3In Stock	Mfr. Part No. 2210-S221-P1M1-H111-16A Mouser Part No 457-0S221P1M1H11116A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-15A 94 Learn More about E-T-A e t a 2210 s2 thermal magnetic circuit breakers	Datasheet	3In Stock	£185.39 £132.41 £128.63 £127.34	Min.: 1 Mult.: 1	2210-S2	Thermal Circuit Breakers	Thermal Magnetic	16 A	250 VAC, 433 VAC	65 VDC	2 Pole	Toggle	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NO AUX, 2.5A 2210-T210-K0M1-H121-2.5A E-T-A 1: £40.83 6In Stock	Mfr. Part No. 2210-T210-K0M1-H121-2.5A Mouser Part No 457-0T210K0M1H12125A	E-T-A	Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NO AUX, 2.5A Learn More about E-T-A e t a 2210 t2 thermal magnetic circuit breakers	Datasheet	6In Stock	£40.83 £38.28 £37.15 £35.64 View £35.14 £34.55 Quote	Min.: 1 Mult.: 1	2210-T2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 104-P30-0.5A E-T-A 1: £17.02 31In Stock	Mfr. Part No. 104-P30-0.5A Mouser Part No 457-104-P30-0.5A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see	Datasheet	31In Stock	£17.02 £15.50 £14.20 £10.76 View £10.09 £9.41 £8.97 £8.94 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	500 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 104-PR-0.3A E-T-A 1: £17.02 9In Stock	Mfr. Part No. 104-PR-0.3A Mouser Part No 457-104-PR-0.3A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings	Datasheet	9In Stock	£17.02 £15.50 £14.20 £10.76 View £10.09 £9.41 £8.97 £8.94 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	300 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 104-PR3-0.7A E-T-A 1: £17.02 39In Stock	Mfr. Part No. 104-PR3-0.7A Mouser Part No 457-104-PR3-0.7A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings	Datasheet	39In Stock	£17.02 £15.50 £14.20 £10.76 View £10.09 £9.41 £8.97 £8.94 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	700 mA	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2 REX12-TA2-107-DC24V-4A/4A-CL2 E-T-A 1: £74.32 18In Stock 32Expected 07/10/2026	Mfr. Part No. REX12-TA2-107-DC24V-4A/4A-CL2 Mouser Part No 457-107DC24V4A/4ACL2	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 2CH, ,4A/4A, No Comm CL2	Datasheet	18In Stock 32Expected 07/10/2026	£74.32 £64.49 £55.16 £53.35 View Quote	Min.: 1 Mult.: 1								Push to Reset
Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.2A 2210-T210-K0M1-H131-0.2A E-T-A 1: £45.57 1In Stock	Mfr. Part No. 2210-T210-K0M1-H131-0.2A Mouser Part No 457-10K0M1H13102	E-T-A	Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.2A Learn More about E-T-A e t a 2210 t2 thermal magnetic circuit breakers	Datasheet	1In Stock	£45.57 £37.09 £35.46 £33.13 View £32.29 £31.24 Quote	Min.: 1 Mult.: 1	2210-T2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 2A 2210-T210-K0M1-H131-2A E-T-A 1: £45.57 1In Stock	Mfr. Part No. 2210-T210-K0M1-H131-2A Mouser Part No 457-10K0M1H1312	E-T-A	Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 2A Learn More about E-T-A e t a 2210 t2 thermal magnetic circuit breakers	Datasheet	1In Stock	£45.57 £37.09 £35.46 £33.13 View £32.29 £31.24 Quote	Min.: 1 Mult.: 1	2210-T2	Thermal Circuit Breakers	Thermal Magnetic	2 A	250 VAC, 433 VAC	65 VDC	1 Pole	Toggle	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,T1, 1NC AUX, 20A 2210-T210-K0T1-H131-20A E-T-A 1: £41.14 1In Stock	Mfr. Part No. 2210-T210-K0T1-H131-20A Mouser Part No 457-10K0T1H13120	E-T-A	Circuit Breakers 1077, 1P, DM, 277VAC/65VDC,T1, 1NC AUX, 20A Learn More about E-T-A e t a 2210 t2 thermal magnetic circuit breakers	Datasheet	1In Stock	£41.14 £36.82 £35.69 £34.34 View £33.99 £33.31 Quote	Min.: 1 Mult.: 1	2210-T2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers MoQ=10 508, 1P, DM, 48VDC, N/O, 12.5A ESX10-TC-101-DC48V-12.5A E-T-A 1: £84.06 4In Stock	Mfr. Part No. ESX10-TC-101-DC48V-12.5A Mouser Part No 457-10TC101DC48V125A	E-T-A	Circuit Breakers MoQ=10 508, 1P, DM, 48VDC, N/O, 12.5A	Datasheet	4In Stock	£84.06 £64.71 £56.95 £54.62 View £52.85 Quote	Min.: 1 Mult.: 1	ESX10-TC	Circuit Breakers	Electronic					Slide
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-8A E-T-A 1: £19.28 45In Stock	Mfr. Part No. 1170-22-8A Mouser Part No 457-1170-22-8A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	45In Stock	£19.28 £17.80 £16.32 £9.73 View £9.70 £9.07 £8.97 £8.92 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	8 A		28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 127-T12-H-15A E-T-A 1: £43.30 21In Stock	Mfr. Part No. 127-T12-H-15A Mouser Part No 457-127-T12-H-15A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m	Datasheet	21In Stock	£43.30 £35.92 £33.44 £27.60 View £25.17 £23.80 Quote	Min.: 1 Mult.: 1	127	Thermal Circuit Breakers	Overcurrent Protection	15 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing status output signals 1410-G112-P3F1-B04-2A E-T-A 1: £16.76 44In Stock	Mfr. Part No. 1410-G112-P3F1-B04-2A Mouser Part No 457-1410G112P3F1B042	E-T-A	Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing status output signals	Datasheet	44In Stock	£16.76 £9.38 £8.75 £8.13 View £7.75 £7.61	Min.: 1 Mult.: 1	1410-G1	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 3130-F150-P7T1-W19QG7-10A E-T-A 1: £61.35 2In Stock	Mfr. Part No. 3130-F150-P7T1-W19QG7-10A Mouser Part No 457-150P7T1W19QG710A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double	Datasheet	2In Stock	£61.35 £40.60 £33.33 £33.02 View £31.89 £30.54 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Thermal	10 A	240 VAC, 415 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers 1077, 1P, DN, 120-240VAC/80VDC, 6A 201-6A E-T-A 1: £35.45 5In Stock	Mfr. Part No. 201-6A Mouser Part No 457-2016	E-T-A	Circuit Breakers 1077, 1P, DN, 120-240VAC/80VDC, 6A Learn More about E-T-A e t a 201 thermal magnetic circuit breakers	Datasheet	5In Stock	£35.45 £28.98 £27.43 £25.61 View £24.66 £23.96 Quote	Min.: 1 Mult.: 1	201	Thermal Circuit Breakers	Thermal Magnetic					Pushbutton Dual