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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	Packaging
Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 3RV20214AA15 Siemens 1: $399.73 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	$399.73 $332.29 $306.29	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 S0 34-40A SCREW 3RV20214FA10 Siemens 1: $635.91 4In Stock	Mfr. Part No. 3RV20214FA10 Mouser Part No 982-3RV20214FA10	Siemens	Circuit Breakers MSP S0 34-40A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$635.91 $526.81 $485.35	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	40 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 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	$548.86 $460.25 $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 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: $22.61 297In Stock	Mfr. Part No. 104-P10-4A Mouser Part No 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	$22.61 $18.76 $17.31 $15.34 View $13.49 $12.90 $11.61	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 No. 1110-F112-P1M1-2.5A Mouser Part No 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 401In Stock	Mfr. Part No. 1620-2-15A Mouser Part No 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	401In 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 No. 1410-G111-L2F1-S01-2A Mouser Part No 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
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-20A E-T-A 1: $36.26 190In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-20A Mouser Part No 457-N321P7T1W01D20	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	190In Stock	$36.26 $30.08 $27.75 $22.98 View $22.50 $21.98 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 2-13-DM-KM-15 9926252015 Weidmuller 1: $109.01 72In Stock	Mfr. Part No. 9926252015 Mouser Part No 470-9926252015	Weidmuller	Circuit Breakers 2-13-DM-KM-15	Datasheet	72In Stock	$109.01 $90.27 $79.55 $69.70 $64.60	Min.: 1 Mult.: 1	9926 QL	Circuit Breakers	Hydraulic Magnetic	15 A	120 VAC, 240 VAC		2 Pole	Lever	- 40 C	+ 65 C	Non-Illuminated	Bulk
Circuit Breakers Cir Brkr Hyd Mag AP17-1-72-302 AIRPAX 1: $1,255.94 2In Stock	Mfr. Part No. AP17-1-72-302 Mouser Part No 874-AP17-1-72-302	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	2In Stock	$1,255.94 $1,196.13	Min.: 1 Mult.: 1	AP	Circuit Breakers	Hydraulic Magnetic	3 A	240 VAC	50 VDC	2 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M55629/5-390L AIRPAX 1: $1,469.96 2In Stock	Mfr. Part No. M55629/5-390L Mouser Part No 874-M55629/5-390L	AIRPAX	Circuit Breakers CIRCUIT BREAKER		2In Stock	$1,469.96 $1,014.24 $760.66 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 1.1-1.6A SCREW 3RV20111AA10 Siemens 1: $235.28 15In Stock	Mfr. Part No. 3RV20111AA10 Mouser Part No 982-3RV20111AA10	Siemens	Circuit Breakers MSP S00 1.1-1.6A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	15In Stock	$235.28 $207.86 $191.85 $173.09 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	1.6 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 4.5-6.3A AUX 1NO 1NC SCREW 3RV20111GA15 Siemens 1: $313.56 7In Stock	Mfr. Part No. 3RV20111GA15 Mouser Part No 982-3RV20111GA15	Siemens	Circuit Breakers MSP S00 4.5-6.3A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$313.56 $276.72 $262.60 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	6.3 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW 3RV20114AA15 Siemens 1: $390.03 5In Stock	Mfr. Part No. 3RV20114AA15 Mouser Part No 982-3RV20114AA15	Siemens	Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$390.03 $328.11 $298.93	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	16 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 $22.54 $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 CIRCUIT BREAKER SIZE S00, CLASS 10 3RV20111FA10 Siemens 1: $247.55 12In 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	12In Stock	$247.55 $219.03 $202.34 $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 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 1620-3-30A E-T-A 1: $10.30 404In Stock	Mfr. Part No. 1620-3-30A Mouser Part No 457-1620-3-30A	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	404In Stock	$10.30 $8.55 $7.89 $6.54 View $6.03 $5.41 $5.13 Quote	Min.: 1 Mult.: 1	1620	Miniature Circuit Breakers	Automotive	30 A		24 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-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 protection of motors 3120-N521-H7T1-W01D-8A E-T-A 1: $48.43 413In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-8A Mouser Part No 457-521H7T1W01D8	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	413In Stock	$48.43 $40.17 $32.65 $29.66 View $24.77 $23.74 $23.70 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-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-10A E-T-A 1: $34.20 141In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-10A Mouser Part No 457-N321P7T1W01D10	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	141In Stock	$34.20 $28.38 $26.95 $23.79 View $22.05 $17.91 $16.78	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers CBMC E4 24DC/1-10A S-R 1065729 Phoenix Contact 1: $116.29 90In Stock	Mfr. Part No. 1065729 Mouser Part No 651-1065729	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-10A S-R Learn More about Phoenix Contact cbmc circuit breakers	Datasheet	90In Stock	$116.29	Min.: 1 Mult.: 1	CBMC	Circuit Breakers	Electronic	40 A		24 VDC	1 Pole	Pushbutton	- 25 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr,HydMag IAGN66-1-72-30.0 AIRPAX 1: $137.89 24In Stock	Mfr. Part No. IAGN66-1-72-30.0 Mouser Part No 874-IAGN6617230	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	24In Stock	$137.89 $125.47 $87.17 $76.60 View $63.40 Quote	Min.: 1 Mult.: 1		Circuit Breakers		30 A			2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP,GROUP TAP,S00,CL10,4.5-6.3A,SCREW 3RV10111GA10 Siemens 1: $334.72 5In Stock	Mfr. Part No. 3RV10111GA10 Mouser Part No 982-3RV10111GA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,4.5-6.3A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	5In Stock	$334.72 $324.72	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	6.3 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 3.5 - 5A SCREW 3RV20211FA10 Siemens 1: $295.18 29In Stock	Mfr. Part No. 3RV20211FA10 Mouser Part No 982-3RV20211FA10	Siemens	Circuit Breakers MSP S0 3.5 - 5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	29In Stock	$295.18 $243.79 $226.70 $186.99	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated