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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 Cir Brkr Hyd Mag PP21-1-15.0A-OA-V AIRPAX 1: $42.83 48In Stock	Mfr. Part No. PP21-1-15.0A-OA-V Mouser Part No 874-PP211150AOAV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	48In Stock	$42.83 $40.37 $40.36 $39.17 View $37.12 $35.55 $35.54 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Thermal	15 A			2 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 3RV10111AA10 Siemens 1: $344.62 10In Stock	Mfr. Part No. 3RV10111AA10 Mouser Part No 982-3RV10111AA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	10In Stock	$344.62 $303.22 $286.90	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	1.6 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 3RV20214AA15 Siemens 1: $380.36 6In Stock	Mfr. Part No. 3RV20214AA15 Mouser Part No 982-3RV20214AA15	Siemens	Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC Learn More about Siemens 3rv2 circuit breakers	Datasheet	6In Stock	$380.36 $320.94 $301.58 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	16 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 3RV20314PA10 Siemens 1: $549.35 6In Stock	Mfr. Part No. 3RV20314PA10 Mouser Part No 982-3RV20314PA10	Siemens	Circuit Breakers MSP S2 CLASS 10 28-36A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	6In Stock	$549.35 $459.68 $424.06	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	36 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW 3RV24111HA10 Siemens 1: $278.18 9In Stock	Mfr. Part No. 3RV24111HA10 Mouser Part No 982-3RV24111HA10	Siemens	Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	9In Stock	$278.18 $251.16 $232.77 $196.63	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Transformer Protection	8 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMCB UL489 S00 3.2A SCREW 3RV27111DD10 Siemens 1: $557.76 5In Stock	Mfr. Part No. 3RV27111DD10 Mouser Part No 982-3RV27111DD10	Siemens	Circuit Breakers TMCB UL489 S00 3.2A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$557.76 $466.70 $430.21	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	System Protection	3.2 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
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 1170-21-8A E-T-A 1: $18.61 348In Stock	Mfr. Part No. 1170-21-8A Mouser Part No 457-1170-21-8A	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	348In Stock	$18.61 $15.45 $14.25 $11.80 View $10.88 $9.76 $8.99 $8.60	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 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 1170-22-30A E-T-A 1: $19.96 166In Stock	Mfr. Part No. 1170-22-30A Mouser Part No 457-1170-22-30A	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	166In Stock	$19.96 $16.57 $15.29 $12.66 View $11.67 $10.47 $9.63 $9.28	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	30 A		28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 3131-AF1PT-000000-1Y2-10A E-T-A 1: $39.40 341In Stock	Mfr. Part No. 3131-AF1PT-000000-1Y2-10A Mouser Part No 457-F1PT0000001Y210A	E-T-A	Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated	Datasheet	341In Stock	$39.40 $32.68 $26.73 $23.79 View $22.64 $22.61	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	10 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr Hyd Mag IUGN11-35721-15 AIRPAX 1: $147.57 33In Stock	Mfr. Part No. IUGN11-35721-15 Mouser Part No 874-IUGN113572115	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$147.57 $119.59 $112.21 $89.70 View Quote	Min.: 1 Mult.: 1	IUGN	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic		240 VAC	80 VDC	2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SIZE S00, CLASS 10 3RV20111FA10 Siemens 1: $254.08 13In Stock	Mfr. Part No. 3RV20111FA10 Mouser Part No 982-3RV20111FA10	Siemens	Circuit Breakers CIRCUIT BREAKER SIZE S00, CLASS 10 Learn More about Siemens 3rv2 circuit breakers	Datasheet	13In Stock	$254.08 $223.21 $212.40 $179.33	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MAN-START 600VAC 65AMP IEC GV3P65 Schneider Electric 1: $496.50 5In Stock	Mfr. Part No. GV3P65 Mouser Part No 996-GV3P65	Schneider Electric	Circuit Breakers MAN-START 600VAC 65AMP IEC Learn More about Schneider Electric schneider gv3 manual starters protectors	Datasheet	5In Stock	$496.50	Min.: 1 Mult.: 1	GV	Circuit Breakers	Thermal Magnetic	65 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC QBHW3100HS Eaton Electrical 1: $1,593.20 1In Stock New At Mouser	Mfr. Part No. QBHW3100HS Mouser Part No 504-QBHW3100HS New At Mouser	Eaton Electrical	Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC	Datasheet	1In Stock	$1,593.20	Min.: 1 Mult.: 1
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 1077, 3P, DM, 480VAC/60VDC, D, 30A 4230-T130-K0DE-30A E-T-A 1: $36.86 140In Stock	Mfr. Part No. 4230-T130-K0DE-30A Mouser Part No 457-4230T130K0DE30	E-T-A	Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 30A Learn More about E-T-A eta 4230 t mcb	Datasheet	140In Stock	$36.86 $32.16 $29.71 $27.37 View $27.36 $22.82 Quote	Min.: 1 Mult.: 1	4230-T	Miniature Circuit Breakers	Thermal Magnetic	30 A	415 VAC		3 Pole	Toggle	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers CAPAROC E2 12-24DC/2-10A 1110984 Phoenix Contact 1: $85.67 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	$85.67	Min.: 1 Mult.: 1	CAPAROC E2	Circuit Breakers	Electronic	10 A		24 VDC	2 Pole	Lever	- 30 C	+ 65 C	Non-Illuminated
Circuit Breakers TMC 81C 25A 2907574 Phoenix Contact 1: $20.12 295In Stock	Mfr. Part No. 2907574 Mouser Part No 651-2907574	Phoenix Contact	Circuit Breakers TMC 81C 25A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	295In Stock	$20.12 $16.73	Min.: 1 Mult.: 1	TMC 8	Circuit Breakers	Thermal Magnetic	25 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IELHK11-1REC4-62-30.0-E-01-V AIRPAX 1: $176.55 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	$176.55 $154.00 $153.95 $107.16 View $94.25 $78.04 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers Cir Brkr,HydMag IULNK1-1-51-7.00-K AIRPAX 1: $95.40 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	$95.40 $83.27 $75.54 $58.16 View $38.73 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 S2 CLASS 10 42-52A SCREW 3RV20314WA10 Siemens 1: $641.68 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	$641.68 $552.67 $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 482-G323-J1M1-B2S1-4A E-T-A 1: $241.68 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-4A Mouser Part No 457-82G323J1M1B2S14A	E-T-A	Circuit Breakers		1In Stock	$241.68 $200.31 $184.64 $152.58 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 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 $45.98 $42.53 $37.95 $37.94	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 174In 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	174In 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