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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 CIRCUIT BREAKER PR21-4-10.0A-XX-V AIRPAX 1: $45.82 23In Stock	Mfr. Part No. PR21-4-10.0A-XX-V Mouser Part No 874-PR21-4-100A-XX-V	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	23In Stock	$45.82 $44.90 $43.52 $41.27 View $39.48 $38.18 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	10 A			2 Pole	Push to Reset
Circuit Breakers MSP S00 0.9-1.25A AUX 1NO 1NC SCREW 3RV20110KA15 Siemens 1: $332.73 3In Stock	Mfr. Part No. 3RV20110KA15 Mouser Part No 982-3RV20110KA15	Siemens	Circuit Breakers MSP S00 0.9-1.25A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$332.73 $269.13 $252.21 $239.74 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	1.25 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 11-16A SPRING 3RV20114AA20 Siemens 1: $298.33 3In Stock	Mfr. Part No. 3RV20114AA20 Mouser Part No 982-3RV20114AA20	Siemens	Circuit Breakers MSP S00 11-16A SPRING Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$298.33 $269.85 $248.79 $220.99 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 S0 0.9 - 1.25A SCREW 3RV20210KA10 Siemens 1: $285.71 4In Stock	Mfr. Part No. 3RV20210KA10 Mouser Part No 982-3RV20210KA10	Siemens	Circuit Breakers MSP S0 0.9 - 1.25A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$285.71 $236.83 $218.29 $180.29	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	1.25 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S2 CLASS 10 32-40A SCREW 3RV20314UA10 Siemens 1: $587.01 3In Stock	Mfr. Part No. 3RV20314UA10 Mouser Part No 982-3RV20314UA10	Siemens	Circuit Breakers MSP S2 CLASS 10 32-40A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$587.01 $487.78 $449.41	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	40 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT-BREAKER S0 25A NO OVERLOAD 3RV23214DC10 Siemens 1: $392.22 3In Stock	Mfr. Part No. 3RV23214DC10 Mouser Part No 982-3RV23214DC10	Siemens	Circuit Breakers CIRCUIT-BREAKER S0 25A NO OVERLOAD Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$392.22 $370.38 $310.20 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Starter Combination	25 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr 413-K34-N2-90A E-T-A 1: $135.36 8In Stock	Mfr. Part No. 413-K34-N2-90A Mouser Part No 457-413-K34-N2-90A	E-T-A	Circuit Breakers Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Thr Learn More about E-T-A e t a 413 circuit breakers	Datasheet	8In Stock	$135.36 $117.71 $98.68 $90.66 View $87.47 Quote	Min.: 1 Mult.: 1	413	Thermal Circuit Breakers	Thermal Magnetic	90 A		28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite 3120-N324-P7T1-W02D-10A E-T-A 1: $49.12 25In Stock	Mfr. Part No. 3120-N324-P7T1-W02D-10A Mouser Part No 457-N324P7T1W02D10	E-T-A	Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	25In Stock	$49.12 $40.29 $35.54 $31.38 View $28.91 $25.91	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 Cir Brkr Hyd Mag IELK1-33195-6 AIRPAX 1: $60.55 14In Stock	Mfr. Part No. IELK1-33195-6 Mouser Part No 874-IELK1331956	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	14In Stock	$60.55 $55.07 $38.24 $33.61 View $27.80 $25.49 $23.18 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic		240 VAC	80 VDC	1 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag R11-3-20.0A-R121EV AIRPAX 1: $35.51 30In Stock	Mfr. Part No. R11-3-20.0A-R121EV Mouser Part No 874-R113200AR121EV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	30In Stock	$35.51 $34.80 $33.82 $32.03 View $30.64 $29.59 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	20 A			1 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers MSP,GROUP TAP,S00,CL10,0.55-0.8A,SCREW 3RV10110HA10 Siemens 1: $373.15 4In Stock	Mfr. Part No. 3RV10110HA10 Mouser Part No 982-3RV10110HA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,0.55-0.8A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	4In Stock	$373.15 $298.67 $280.89 View Quote	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	800 mA	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT-BREAKER SIZE S00,1.4...2A, N-REL 3RV10111BA10 Siemens 1: $352.70 4In Stock	Mfr. Part No. 3RV10111BA10 Mouser Part No 982-3RV10111BA10	Siemens	Circuit Breakers CIRCUIT-BREAKER SIZE S00,1.4...2A, N-REL Learn More about Siemens 3rv1 motor starter protectors	Datasheet	4In Stock	$352.70 $313.94 $296.54 View Quote	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	2 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers SWITCH_MOTOR_3RV2011-1CA15 3RV20111CA15 Siemens 1: $341.78 4In Stock	Mfr. Part No. 3RV20111CA15 Mouser Part No 982-3RV20111CA15	Siemens	Circuit Breakers SWITCH_MOTOR_3RV2011-1CA15 Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$341.78 $284.83 $261.37 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	2.5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 0.45 - 0.63A SCREW 3RV20210GA10 Siemens 1: $254.00 5In Stock	Mfr. Part No. 3RV20210GA10 Mouser Part No 982-3RV20210GA10	Siemens	Circuit Breakers MSP S0 0.45 - 0.63A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$254.00 $216.71 $195.35 $161.37	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	630 mA	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMCB UL489 FOR XFRMR S00 5A SCREW 3RV28111FD10 Siemens 1: $602.61 3In Stock	Mfr. Part No. 3RV28111FD10 Mouser Part No 982-3RV28111FD10	Siemens	Circuit Breakers TMCB UL489 FOR XFRMR S00 5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$602.61 $500.18 $460.83	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Transformer Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 3P 480V 4A 5K C-TRIP 5SY43047 Siemens 1: $173.67 5In Stock	Mfr. Part No. 5SY43047 Mouser Part No 982-5SY43047	Siemens	Circuit Breakers SUP PTOR 5SY4 3P 480V 4A 5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$173.67 $161.09 $132.65	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	3 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers Threadneck Panel Mounting 3/8-27UNS, Blade Terminals, 7A Circuit Breaker 106-M2-P10-7A E-T-A 1: $15.81 96In Stock	Mfr. Part No. 106-M2-P10-7A Mouser Part No 457-106-M2-P10-7A	E-T-A	Circuit Breakers Threadneck Panel Mounting 3/8-27UNS, Blade Terminals, 7A Circuit Breaker	Datasheet	96In Stock	$15.81 $12.87 $12.08 $10.68 View $9.14 $8.29 $7.64 $7.18	Min.: 1 Mult.: 1	106-M2	Thermal Circuit Breakers	Overcurrent Protection	7 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CB TM1 0.5A SFB P 2800835 Phoenix Contact 1: $48.71 23In Stock	Mfr. Part No. 2800835 Mouser Part No 651-2800835	Phoenix Contact	Circuit Breakers CB TM1 0.5A SFB P Learn More about Phoenix Contact phoenix_cb_pluggable	Datasheet	23In Stock	$48.71	Min.: 1 Mult.: 1	CB TM1	Circuit Breakers	Thermal Magnetic	500 mA		50 VDC	1 Pole	Slide	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP, SZ S0, 1.4-2A, SCREW TERMINAL 3RV20211BA10 Siemens 1: $295.17 5In Stock	Mfr. Part No. 3RV20211BA10 Mouser Part No 982-3RV20211BA10	Siemens	Circuit Breakers MSP, SZ S0, 1.4-2A, SCREW TERMINAL Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$295.17 $243.79 $226.42 $186.99	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	2 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP 5SJ41067HG41 Siemens 1: $78.17 23In Stock	Mfr. Part No. 5SJ41067HG41 Mouser Part No 982-5SJ41067HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	23In Stock	$78.17 $68.36 $63.89 $54.85 $50.51	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	6 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP 5SJ41118HG40 Siemens 1: $66.31 16In Stock	Mfr. Part No. 5SJ41118HG40 Mouser Part No 982-5SJ41118HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	16In Stock	$66.31 $55.04 $52.52 $48.47 View $46.45 $45.81	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	5 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Circuit Protector 2A NRAN1100-2A-MA IDEC 1: $32.43 3In Stock	Mfr. Part No. NRAN1100-2A-MA Mouser Part No 199-NRAN11002AMA	IDEC	Circuit Breakers Circuit Protector 2A	Datasheet	3In Stock	$32.43 $26.92 $25.29 $23.57 View $22.60 $22.05 $21.62 Quote	Min.: 1 Mult.: 1	NRA	Circuit Breakers	Magnetic	2 A	250 VAC	65 VDC	1 Pole	Lever	- 40 C	+ 85 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-IG1-P10-DD-1125-2A E-T-A 1: $38.33 6In Stock	Mfr. Part No. 2-5700-IG1-P10-DD-1125-2A Mouser Part No 457-00IG1P10DD11252A	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	6In Stock	$38.33 $31.80 $26.21 $23.13 View $18.70 $17.69 $16.77 Quote	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	2 A	250 VAC	28 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-F110-P7T1-W01Q-15A E-T-A 1: $29.17 7In Stock	Mfr. Part No. 3130-F110-P7T1-W01Q-15A Mouser Part No 457-0F110P7T1W01Q15A	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	7In Stock	$29.17 $24.20 $22.15 $21.14 View $20.35 $19.86 $19.40 Quote	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	15 A	240 VAC	50 VDC	1 Pole	Rocker	- 30 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-F110-P7T1-W04Q-12A E-T-A 1: $30.22 9In Stock	Mfr. Part No. 3130-F110-P7T1-W04Q-12A Mouser Part No 457-0F110P7T1W04Q12A	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	9In Stock	$30.22 $25.97 $20.84 $19.56 View $18.70 $17.97 $17.36 Quote	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	12 A	240 VAC	50 VDC	1 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated