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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 (CLP) 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 S00 2.8-4A AUX 1NO 1NC SCREW 3RV20111EA15 Siemens 1: $353.346 10In Stock	Mfr. Part # 3RV20111EA15 Mouser Part # 982-3RV20111EA15	Siemens	Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	10In Stock	$353.346 $304.870 $294.013 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: $320.854 11In Stock	Mfr. Part # 3RV20111KA10 Mouser Part # 982-3RV20111KA10	Siemens	Circuit Breakers MSP S00 9-12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	11In Stock	$320.854 $286.665 $268.618 $226.522 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: $631.956 7In Stock	Mfr. Part # 3RV20214EA15 Mouser Part # 982-3RV20214EA15	Siemens	Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$631.956 $526.607 $485.206	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: $749.188 7In Stock	Mfr. Part # 3RV20314WA10 Mouser Part # 982-3RV20314WA10	Siemens	Circuit Breakers MSP S2 CLASS 10 42-52A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$749.188 $661.441 $571.552	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	52 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 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: $39.727 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	$39.727 $34.110 $31.581 $27.946 View $25.508 $22.877 $22.364 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: $60.006 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	$60.006 $53.603 $47.029 $43.201 View $40.991 $40.729 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: $38.963 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	$38.963 $32.333 $29.815 $24.699 View $22.763 $20.404 $19.117	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: $223.788 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	$223.788	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: $50.413 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	$50.413	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: $299.265 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	$299.265 $268.379 $247.371 $204.306	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: $21.202 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	$21.202 $17.602 $16.235 $13.443 View $12.395 $11.119 $10.242 $9.798	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: $22.740 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	$22.740 $18.878 $17.420 $14.423 View $13.295 $11.928 $10.971 $10.572	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: $44.887 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	$44.887 $37.232 $30.453 $27.103 View $25.679 $25.554	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: $161.424 33In Stock	Mfr. Part # IUGN11-35721-15 Mouser Part # 874-IUGN113572115	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$161.424 $146.853 $102.022 $89.672 View $74.178 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: $282.028 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	$282.028 $249.536 $230.521 $204.306	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: $11.735 404In Stock	Mfr. Part # 1620-3-30A Mouser Part # 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	$11.735 $9.741 $8.989 $7.451 View $6.870 $6.163 $5.844 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: $55.175 413In Stock	Mfr. Part # 3120-N521-H7T1-W01D-8A Mouser Part # 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	$55.175 $45.765 $37.197 $33.791 View $28.220 $27.046 $27.001 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: $38.963 141In Stock	Mfr. Part # 3120-N321-P7T1-W01D-10A Mouser Part # 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	$38.963 $32.333 $30.703 $27.103 View $25.121 $20.404 $19.117	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: $132.486 90In Stock	Mfr. Part # 1065729 Mouser Part # 651-1065729	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-10A S-R Learn More about Phoenix Contact cbmc circuit breakers	Datasheet	90In Stock	$132.486	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: $157.095 24In Stock	Mfr. Part # IAGN66-1-72-30.0 Mouser Part # 874-IAGN6617230	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	24In Stock	$157.095 $142.945 $99.311 $87.269 View $72.230 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: $381.338 5In Stock	Mfr. Part # 3RV10111GA10 Mouser Part # 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	$381.338 $369.946	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: $336.291 29In Stock	Mfr. Part # 3RV20211FA10 Mouser Part # 982-3RV20211FA10	Siemens	Circuit Breakers MSP S0 3.5 - 5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	29In Stock	$336.291 $277.744 $258.274 $213.033	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 23-28A SCREW 3RV20214NA10 Siemens 1: $573.238 12In Stock	Mfr. Part # 3RV20214NA10 Mouser Part # 982-3RV20214NA10	Siemens	Circuit Breakers MSP S0 23-28A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	12In Stock	$573.238 $474.827 $437.562 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: $722.768 5In Stock	Mfr. Part # 3RV20314EB10 Mouser Part # 982-3RV20314EB10	Siemens	Circuit Breakers MSP S2 CLASS 20 22-32A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$722.768 $617.282 $551.592 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: $75.990 44In Stock	Mfr. Part # 5SY41066 Mouser Part # 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	$75.990 $66.158 $63.640 $62.649 View $50.288 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	6 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated