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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 508, 1P, DM, 24VDC, 1CH, 4A, No Comm REX12-TA1-107-DC24V-4A E-T-A 1: $49.40 43In Stock	Mfr. Part # REX12-TA1-107-DC24V-4A Mouser Part # 457-T1107DC24V4	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	43In Stock	$49.40 $44.21 $41.20 $37.00 View $34.77 $31.57	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	4 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr,HydMag IELHK11-1REC4-62-20.0-E-01-V AIRPAX 1: $169.26 13In Stock	Mfr. Part # IELHK11-1REC4-62-20.0-E-01-V Mouser Part # 874-HK111REC46220E1V	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	13In Stock	$169.26 $153.99 $106.98 $94.04 View $77.79 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers Cir Brkr Hyd Mag PP21-1-15.0A-OA-V AIRPAX 1: $41.13 48In Stock	Mfr. Part # PP21-1-15.0A-OA-V Mouser Part # 874-PP211150AOAV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	48In Stock	$41.13 $40.36 $39.17 $37.12 View $35.53 $34.27 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: $392.80 10In Stock	Mfr. Part # 3RV10111AA10 Mouser Part # 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	$392.80 $326.45 $296.82 View Quote	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: $399.73 6In Stock	Mfr. Part # 3RV20214AA15 Mouser Part # 982-3RV20214AA15	Siemens	Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC Learn More about Siemens 3rv2 circuit breakers	Datasheet	6In Stock	$399.73 $337.29 $316.86	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: $548.86 6In Stock	Mfr. Part # 3RV20314PA10 Mouser Part # 982-3RV20314PA10	Siemens	Circuit Breakers MSP S2 CLASS 10 28-36A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	6In Stock	$548.86 $482.30 $453.09	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	36 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMCB UL489 S00 3.2A SCREW 3RV27111DD10 Siemens 1: $557.69 4In Stock	Mfr. Part # 3RV27111DD10 Mouser Part # 982-3RV27111DD10	Siemens	Circuit Breakers TMCB UL489 S00 3.2A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$557.69 $490.05 $460.38	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 MCB 5SJ4 2P 240V 10A 14K C-TRIP 5SJ42107HG41 Siemens 1: $162.90 38In Stock	Mfr. Part # 5SJ42107HG41 Mouser Part # 982-5SJ42107HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	38In Stock	$162.90 $142.52 $134.59 $110.84 View $102.95 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	10 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 1620-3-7.5A E-T-A 1: $10.75 483In Stock	Mfr. Part # 1620-3-7.5A Mouser Part # 457-1620-3-7.5A	E-T-A	Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	483In Stock	$10.75 $10.03 $9.47 $7.48 View $6.37 $5.98 $5.64 $5.29	Min.: 1 Mult.: 1	1620	Miniature Circuit Breakers	Automotive	7.5 A		24 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEG111-1-61-20.0-A-01-V AIRPAX 1: $177.47 9In Stock	Mfr. Part # IEG111-1-61-20.0-A-01-V Mouser Part # 874-IEG111161200A01V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	9In Stock	$177.47 $154.98 $107.71 $94.64 View $78.32 Quote	Min.: 1 Mult.: 1	217	Circuit Breakers	Hydraulic Magnetic	20 A			3 Pole	Handle	- 40 C	+ 85 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 # 1140-G151-P7M1-15A Mouser Part # 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 # 3130-F120-P7T1-W14QR6-12A Mouser Part # 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 # 3120-N321-P7T1-W01D-3A Mouser Part # 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 # 2907196 Mouser Part # 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 # IPA-1-1-52-10.0-01-T Mouser Part # 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: $286.49 7In Stock	Mfr. Part # 3RV20111EA10 Mouser Part # 982-3RV20111EA10	Siemens	Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$286.49 $248.72 $219.48 $190.20	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 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 # 1170-21-8A Mouser Part # 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 # 1170-22-30A Mouser Part # 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 # 3131-AF1PT-000000-1Y2-10A Mouser Part # 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 $22.54 $22.43	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: $141.69 33In Stock	Mfr. Part # IUGN11-35721-15 Mouser Part # 874-IUGN113572115	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$141.69 $128.90 $89.55 $78.71 View $65.11 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: $286.49 13In Stock	Mfr. Part # 3RV20111FA10 Mouser Part # 982-3RV20111FA10	Siemens	Circuit Breakers CIRCUIT BREAKER SIZE S00, CLASS 10 Learn More about Siemens 3rv2 circuit breakers	Datasheet	13In Stock	$286.49 $248.72 $219.48 $190.20	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 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) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 104-P10-4A E-T-A 1: $22.20 297In Stock	Mfr. Part # 104-P10-4A Mouser Part # 457-104-P10-4A	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	297In Stock	$22.20 $18.42 $17.00 $15.21 View $13.37 $12.54 $11.69 $11.68	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	4 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 1110-F112-P1M1-2.5A E-T-A 1: $24.09 92In Stock	Mfr. Part # 1110-F112-P1M1-2.5A Mouser Part # 457-1110F112P1M12.5A	E-T-A	Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe	Datasheet	92In Stock	$24.09 $22.41 $17.70 $17.67 View $15.89 Quote	Min.: 1 Mult.: 1	1110-Fx12-P1M1	Circuit Breakers	Thermal	2.5 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 1620-2-15A E-T-A 1: $10.30 403In Stock	Mfr. Part # 1620-2-15A Mouser Part # 457-1620-2-15A	E-T-A	Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	403In Stock	$10.30 $8.55 $7.89 $6.54 View $6.03 $5.47 $4.98 $4.58	Min.: 1 Mult.: 1	1620	Miniature Circuit Breakers	Automotive	15 A		12 VDC	1 Pole		- 40 C	+ 85 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 statu 1410-G111-L2F1-S01-2A E-T-A 1: $17.68 190In Stock	Mfr. Part # 1410-G111-L2F1-S01-2A Mouser Part # 457-410G111L2F1S012A	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 statu	Datasheet	190In Stock	$17.68 $14.68 $13.54 $11.22 View $10.34 $9.28 $9.22 Quote	Min.: 1 Mult.: 1	1410-G1	Thermal Circuit Breakers	Overcurrent Protection	2 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Non-Illuminated