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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 (USD) 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 MSP S0 23-28A SCREW 3RV20214NA10 Siemens 1: $503.16 12In Stock	Mfr. Part No. 3RV20214NA10 Mouser Part No 982-3RV20214NA10	Siemens	Circuit Breakers MSP S0 23-28A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	12In Stock	$503.16 $416.78 $384.07 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	28 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 20 22-32A SCREW 3RV20314EB10 Siemens 1: $634.41 5In Stock	Mfr. Part No. 3RV20314EB10 Mouser Part No 982-3RV20314EB10	Siemens	Circuit Breakers MSP S2 CLASS 20 22-32A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$634.41 $541.82 $484.16 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	32 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 5SY41066 Siemens 1: $66.70 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	$66.70 $58.07 $55.86 $54.99 View $44.14 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: $67.06 32In 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	32In Stock	$67.06 $56.71 $53.43 $47.60 View $43.83 $41.94 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	15 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers MAN-START 600VAC 40AMP IEC GV3P25 Schneider Electric 1: $398.52 6In Stock	Mfr. Part No. GV3P25 Mouser Part No 996-GV3P25	Schneider Electric	Circuit Breakers MAN-START 600VAC 40AMP IEC Learn More about Schneider Electric schneider gv3 manual starters protectors	Datasheet	6In Stock	$398.52	Min.: 1 Mult.: 1	GV
Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 1140-G151-P7M1-15A E-T-A 1: $34.87 65In Stock	Mfr. Part No. 1140-G151-P7M1-15A Mouser Part No 457-1140G151P7M115A	E-T-A	Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op	Datasheet	65In Stock	$34.87 $29.94 $27.72 $24.53 View $22.39 $20.08 $19.63 Quote	Min.: 1 Mult.: 1	1140	Miniature Circuit Breakers	Overcurrent Protection	15 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
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-F120-P7T1-W14QR6-12A E-T-A 1: $52.67 190In Stock	Mfr. Part No. 3130-F120-P7T1-W14QR6-12A Mouser Part No 457-120P7T1W14QR612A	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	190In Stock	$52.67 $47.05 $41.28 $37.92 View $35.98 $35.75 Quote	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	12 A	415 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
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 prot 3120-N321-P7T1-W01D-3A E-T-A 1: $34.20 172In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-3A Mouser Part No 457-N321P7T1W01D3	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 prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	172In Stock	$34.20 $28.38 $26.17 $21.68 View $19.98 $17.91 $16.78	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	3 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers HMC11 120AC 10A C1D2 2907196 Phoenix Contact 1: $196.43 34In Stock	Mfr. Part No. 2907196 Mouser Part No 651-2907196	Phoenix Contact	Circuit Breakers HMC11 120AC 10A C1D2 Learn More about Phoenix Contact hmc circuit breakers	Datasheet	34In Stock	$196.43	Min.: 1 Mult.: 1	HMC	Circuit Breakers	Hydraulic Magnetic	10 A	120 VAC	50 VDC	4 Pole	Toggle	- 40 C	+ 65 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IPA-1-1-52-10.0-01-T AIRPAX 1: $44.25 33In Stock	Mfr. Part No. IPA-1-1-52-10.0-01-T Mouser Part No 874-IPA1152101T	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$44.25	Min.: 1 Mult.: 1		Circuit Breakers	Hydraulic Magnetic	10 A			1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 3RV20111EA10 Siemens 1: $262.68 7In Stock	Mfr. Part No. 3RV20111EA10 Mouser Part No 982-3RV20111EA10	Siemens	Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$262.68 $235.57 $217.13 $179.33	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers FAZ 3P 16A D CURVE ring term FAZ-D16/3-RT Eaton Electrical 1: $788.16 3In Stock	Mfr. Part No. FAZ-D16/3-RT Mouser Part No 504-FAZ-D16/3-RT	Eaton Electrical	Circuit Breakers FAZ 3P 16A D CURVE ring term Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	$788.16 $523.15 $498.98 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	16 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers Multi9 C60BPR 1P C 30A 10kA 277V UL489 M9F52130 Schneider Electric 1: $126.00 19In Stock 4Expected 16/11/2026 New At Mouser	Mfr. Part No. M9F52130 Mouser Part No 996-M9F52130 New At Mouser	Schneider Electric	Circuit Breakers Multi9 C60BPR 1P C 30A 10kA 277V UL489	Datasheet	19In Stock 4Expected 16/11/2026	$126.00	Min.: 1 Mult.: 1	Multi9
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-PR3-10A E-T-A 1: $22.69 131In Stock	Mfr. Part No. 104-PR3-10A Mouser Part No 457-104-PR3-10A	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	131In Stock	$22.69 $17.67 $16.12 $14.53 View $12.96 $12.53 $11.98 $11.92 Quote	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 2-5700-IG2-P10-DD-20A E-T-A 1: $35.04 108In Stock	Mfr. Part No. 2-5700-IG2-P10-DD-20A Mouser Part No 457-25700IG2P10DD20A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ	Datasheet	108In Stock	$35.04 $29.07 $25.52 $22.26 View $19.17 $18.35 $17.38	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	20 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CAPAROC E2 12-24DC/2-10A 1110984 Phoenix Contact 1: $93.14 152In Stock	Mfr. Part No. 1110984 Mouser Part No 651-1110984	Phoenix Contact	Circuit Breakers CAPAROC E2 12-24DC/2-10A Learn More about Phoenix Contact caparoc circuit breaker system	Datasheet	152In Stock	$93.14	Min.: 1 Mult.: 1	CAPAROC E2	Circuit Breakers	Electronic	10 A		24 VDC	2 Pole	Lever	- 30 C	+ 65 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IELHK11-1REC4-62-30.0-E-01-V AIRPAX 1: $169.26 12In Stock	Mfr. Part No. IELHK11-1REC4-62-30.0-E-01-V Mouser Part No 874-HK111REC46230E1V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	12In Stock	$169.26 $153.99 $106.98 $94.04 View $77.79 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers CIRCUIT BREAKER IUGN66-1-61-10.0 AIRPAX 1: $137.89 9In Stock	Mfr. Part No. IUGN66-1-61-10.0 Mouser Part No 874-IUGN66-1-61-10.0	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata iug breaker	Datasheet	9In Stock	$137.89 $125.47 $87.17 $76.60 View $63.40 Quote	Min.: 1 Mult.: 1	IUGN	Circuit Breakers	Hydraulic Magnetic	10 A	240 VAC	80 VDC	2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr,HydMag IULNK1-1-51-7.00-K AIRPAX 1: $91.53 14In Stock	Mfr. Part No. IULNK1-1-51-7.00-K Mouser Part No 874-IULNK11517K	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	14In Stock	$91.53 $83.27 $57.85 $50.85 View $42.07 $38.57 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	7 A				Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW 3RV20111EA15 Siemens 1: $310.15 10In Stock	Mfr. Part No. 3RV20111EA15 Mouser Part No 982-3RV20111EA15	Siemens	Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	10In Stock	$310.15 $267.60 $258.07 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 9-12.5A SCREW 3RV20111KA10 Siemens 1: $281.63 11In Stock	Mfr. Part No. 3RV20111KA10 Mouser Part No 982-3RV20111KA10	Siemens	Circuit Breakers MSP S00 9-12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	11In Stock	$281.63 $251.62 $235.78 $198.83 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	12.5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW 3RV20214EA15 Siemens 1: $554.70 7In Stock	Mfr. Part No. 3RV20214EA15 Mouser Part No 982-3RV20214EA15	Siemens	Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$554.70 $462.23 $425.89	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	32 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 3RV20314WA10 Siemens 1: $657.60 7In Stock	Mfr. Part No. 3RV20314WA10 Mouser Part No 982-3RV20314WA10	Siemens	Circuit Breakers MSP S2 CLASS 10 42-52A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$657.60 $580.58 $501.68	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	52 A	690 VAC		3 Pole	Rotary	- 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: $98.99 32In Stock	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	32In Stock	$98.99 $85.90 $73.47 $71.06 View Quote	Min.: 1 Mult.: 1								Push to Reset
Circuit Breakers THQB MCB 10KA 3P 240V THQB32020 ABB 1: $987.01 3In Stock New At Mouser	Mfr. Part No. THQB32020 Mouser Part No 894-THQB32020 New At Mouser	ABB	Circuit Breakers THQB MCB 10KA 3P 240V	Datasheet	3In Stock	$987.01 $606.05	Min.: 1 Mult.: 1