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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 (EUR) 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 CIRCUIT-BREAKER SCREW CONNECTION 0.32A 3RV20210DA10 Siemens 1: 219,43 € 1In Stock	Mfr. Part No. 3RV20210DA10 Mouser Part No 982-3RV20210DA10	Siemens	Circuit Breakers CIRCUIT-BREAKER SCREW CONNECTION 0.32A Learn More about Siemens 3rv2 circuit breakers	Datasheet	1In Stock	219,43 € 190,50 € 168,10 € 145,68 €	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	320 mA	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers BRKR 3VA51 3P 20A 65KA FTAM 3VA51206EC310AA0 Siemens 1: 832,32 € 1In Stock	Mfr. Part No. 3VA51206EC310AA0 Mouser Part No 982-3VA51206EC310AA0	Siemens	Circuit Breakers BRKR 3VA51 3P 20A 65KA FTAM Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	832,32 €	Min.: 1 Mult.: 1	3VA	Thermal Magnetic Circuit Breakers	System Protection	20 A	690 VAC	500 VDC	3 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K D-TRIP 5SJ41048HG40 Siemens 1: 67,11 € 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	67,11 € 58,20 € 55,15 € 45,96 € 42,89 €	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 2P 480/277 5A 10K D-TRIP 5SJ42118HG42 Siemens 1: 140,09 € 1In Stock	Mfr. Part No. 5SJ42118HG42 Mouser Part No 982-5SJ42118HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 5A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	140,09 € 137,89 € 133,87 € 122,52 € View 118,77 € Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	5 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A QOB2305252 Square D 1: 259,65 € 2In Stock	Mfr. Part No. QOB2305252 Mouser Part No 996-QOB2305252	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 120/240V 30A	Datasheet	2In Stock	259,65 €	Min.: 1 Mult.: 1	QOB	Circuit Breakers	Miniature	30 A	120 VAC, 240 VAC		2 Pole	Toggle			Non-Illuminated
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A QOU215H Square D 1: 144,51 € 1In Stock New At Mouser	Mfr. Part No. QOU215H Mouser Part No 996-QOU215H New At Mouser	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 15A	Datasheet	1In Stock	144,51 €	Min.: 1 Mult.: 1
Circuit Breakers Circuit Protector 30A NRAS1100-30A-AD IDEC 1: 24,73 € 4In Stock Restricted Availability	Mfr. Part No. NRAS1100-30A-AD Mouser Part No 199-NRAS110030AAD	IDEC	Circuit Breakers Circuit Protector 30A Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	4In Stock	24,73 € 20,66 € 19,66 € 18,35 € View 17,69 € 17,23 € 16,89 € Quote	Min.: 1 Mult.: 1 Restricted Availability	NRA	Circuit Breakers	Magnetic	30 A	250 VAC	65 VDC	1 Pole	Lever	- 40 C	+ 85 C	Non-Illuminated
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: 88,24 € 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	88,24 € 76,32 € 68,41 € 58,81 € View 54,89 € 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: 95,68 € 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	95,68 € 82,59 € 74,37 € 63,77 € View 59,52 € 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: 212,36 € 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	212,36 € 151,67 € 147,34 € 145,86 €	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: 52,20 € 5In 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	5In Stock	52,20 € 43,30 € 35,89 € 32,26 € View 31,41 € 30,38 €	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: 19,50 € 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	19,50 € 17,75 € 16,27 € 12,33 € View 11,56 € 10,78 € 10,28 € 10,24 € 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: 19,50 € 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	19,50 € 17,75 € 16,27 € 12,33 € View 11,56 € 10,78 € 10,28 € 10,24 € 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: 19,50 € 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	19,50 € 17,75 € 16,27 € 12,33 € View 11,56 € 10,78 € 10,28 € 10,24 € 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 1077, 1P, DM, 277VAC/65VDC,M1, 1NC AUX, 0.2A 2210-T210-K0M1-H131-0.2A E-T-A 1: 52,20 € 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	52,20 € 42,49 € 40,62 € 37,95 € View 36,99 € 35,78 € 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: 52,20 € 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	52,20 € 42,49 € 40,62 € 37,95 € View 37,05 € 35,78 €	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: 47,13 € 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	47,13 € 42,18 € 40,88 € 39,33 € View 38,94 € 38,16 € 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: 96,29 € 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	96,29 € 74,12 € 65,24 € 62,57 € View 60,54 € 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: 17,63 € 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	17,63 € 15,88 € 14,56 € 11,33 € View 10,04 € 9,37 €	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: 49,60 € 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	49,60 € 41,15 € 38,30 € 31,62 € View 28,83 € 27,26 € 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: 16,94 € 43In 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	43In Stock	16,94 € 15,27 € 13,99 € 10,89 € View 9,70 € 9,00 €	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: 70,27 € 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	70,27 € 46,51 € 38,18 € 37,82 € View 36,53 € 34,98 € 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: 41,43 € 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	41,43 € 33,20 € 27,70 € 24,72 € View 23,80 € 23,01 €	Min.: 1 Mult.: 1	201	Thermal Circuit Breakers	Thermal Magnetic					Pushbutton Dual
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-T210-K0M1-H131-10A 94 2210-T210-K0M1-H0-10A E-T-A 1: 96,66 € 1In Stock	Mfr. Part No. 2210-T210-K0M1-H0-10A Mouser Part No 457-210T210K0M1H010A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-T210-K0M1-H131-10A 94 Learn More about E-T-A e t a 2210 t2 thermal magnetic circuit breakers	Datasheet	1In Stock	96,66 € 74,42 € 68,91 € 66,58 € View 65,40 € Quote	Min.: 1 Mult.: 1	2210-T2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en 8340-G221-K4R2-A4H0-15A E-T-A 1: 193,38 € 1In Stock	Mfr. Part No. 8340-G221-K4R2-A4H0-15A Mouser Part No 457-221K4R24H015	E-T-A	Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en	Datasheet	1In Stock	193,38 € 160,28 € 143,17 € 132,83 €	Min.: 1 Mult.: 1	8340-G	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic	15 A	240 VAC, 415 VAC	80 VDC	2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated