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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.	RoHS	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 SWITCH 30A BLK W91-X112-30 TE Connectivity / P&B 1: $97.95 152In Stock	Mfr. Part No. W91-X112-30 Mouser Part No 655-W91-X112-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK	Datasheet	152In Stock	$97.95 $88.80 $82.68 $81.38	Min.: 1 Mult.: 1		W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 50A 2 POLE 2 TOGGLE W92-X112-50 TE Connectivity / P&B 1: $179.20 71In Stock	Mfr. Part No. W92-X112-50 Mouser Part No 655-W92-X112-50	TE Connectivity / P&B	Circuit Breakers 50A 2 POLE 2 TOGGLE	Datasheet	71In Stock	$179.20	Min.: 1 Mult.: 1		W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	50 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-215 AIRPAX 1: $850.69 2In Stock	Mfr. Part No. M39019/01-215 Mouser Part No 874-M39019/01-215	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	2In Stock	$850.69 $737.41	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A	250 VAC	50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag AP116-7064-258 AIRPAX 1: $1,591.90 1In Stock	Mfr. Part No. AP116-7064-258 Mouser Part No 874-AP116-7064-258	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	1In Stock	$1,591.90 $1,537.10	Min.: 1 Mult.: 1	No	AP	Circuit Breakers	Hydraulic Magnetic	20 A	250 VAC	80 VDC	3 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-212 AIRPAX 1: $773.44 10In Stock	Mfr. Part No. M39019/01-212 Mouser Part No 874-M39019/01-212	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	10In Stock	$773.44 $737.41	Min.: 1 Mult.: 1	No	AP	Circuit Breakers	Hydraulic Magnetic	750 mA	240 VAC	50 VDC	1 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/03-321S AIRPAX 1: $1,600.35 31In Stock	Mfr. Part No. M39019/03-321S Mouser Part No 874-M39019/03-321S	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	31In Stock	$1,600.35	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		5 A	250 VAC	50 VDC	2 Pole	Toggle			Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M39019/01-255S AIRPAX 1: $833.09 2In Stock	Mfr. Part No. M39019/01-255S Mouser Part No 874-M39019/01-255S	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	2In Stock	$833.09	Min.: 1 Mult.: 1	No	AP	Circuit Breakers	Hydraulic Magnetic	15 A	240 VAC	50 VDC	1 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-8A 92 2210-S211-P1F1-H111-8A E-T-A 1: $246.97 10In Stock	Mfr. Part No. 2210-S211-P1F1-H111-8A Mouser Part No 457-10S211P1F1H1118A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-8A 92 Learn More about E-T-A e t a 2210 s2 thermal magnetic circuit breakers	Datasheet	10In Stock	$246.97 $172.86 $163.42 $159.03 View Quote	Min.: 1 Mult.: 1		2210-S2	Thermal Circuit Breakers	Thermal Magnetic					Toggle
Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 0.5A 1180-01-0.5A E-T-A 1: $24.00 53In Stock	Mfr. Part No. 1180-01-0.5A Mouser Part No 457-1180-01-0.5A	E-T-A	Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 0.5A Learn More about E-T-A e t a 1180 circuit breakers	Datasheet	53In Stock	$24.00 $20.43 $18.91 $16.19 View $15.48 $14.13 $13.64	Min.: 1 Mult.: 1		1180	Circuit Breakers	Overcurrent Protection	500 mA	250 VAC	65 VDC	1 Pole	Push-Push	- 20 C	+ 60 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-W19DG4-8A E-T-A 1: $45.54 20In Stock	Mfr. Part No. 3120-N324-P7T1-W19DG4-8A Mouser Part No 457-324P7T1W19DG48A	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	20In Stock	$45.54 $38.96 $36.26 $35.20 View $32.10 $30.88 Quote	Min.: 1 Mult.: 1		3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	230 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or 3600-P10-SI-0.5A E-T-A 1: $117.32 15In Stock	Mfr. Part No. 3600-P10-SI-0.5A Mouser Part No 457-3600-P10-SI-0.5A	E-T-A	Circuit Breakers Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si; or	Datasheet	15In Stock	$117.32 $95.19 $90.60 $88.06 View $85.75 Quote	Min.: 1 Mult.: 1		3600	Thermal Circuit Breakers	Thermal Magnetic	500 mA	240 VAC	65 VDC	1 Pole	Pushbutton Dual	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers 489, 2P, DM, 480VAC/60VDC, C, 15A 4230-T120-K0CU-15A E-T-A 1: $57.14 19In Stock	Mfr. Part No. 4230-T120-K0CU-15A Mouser Part No 457-4230T120K0CU15	E-T-A	Circuit Breakers 489, 2P, DM, 480VAC/60VDC, C, 15A Learn More about E-T-A eta 4230 t mcb	Datasheet	19In Stock	$57.14 $49.11 $45.48 $39.72 View $36.59 $36.04	Min.: 1 Mult.: 1		4230-T	Miniature Circuit Breakers	Thermal Magnetic	15 A	415 VAC	125 VDC	2 Pole	Toggle	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers Cir Brkr,HydMag IULNK1-1-51-2.00-K AIRPAX 1: $99.17 13In Stock	Mfr. Part No. IULNK1-1-51-2.00-K Mouser Part No 874-IULNK11512K	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	13In Stock	$99.17	Min.: 1 Mult.: 1		IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	2 A				Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag PR11-0-1.00A-XX AIRPAX 1: $18.71 48In Stock	Mfr. Part No. PR11-0-1.00A-XX Mouser Part No 874-PR110100AXX	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	48In Stock	$18.71	Min.: 1 Mult.: 1		Snapak	Thermal Circuit Breakers	Thermal	1 A			1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP,GROUP TAP,S00,CL10,5.5-8A,SCREW 3RV10111HA10 Siemens 1: $410.05 3In Stock	Mfr. Part No. 3RV10111HA10 Mouser Part No 982-3RV10111HA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,5.5-8A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	3In Stock	$410.05 $345.99 $325.04	Min.: 1 Mult.: 1		3RV1	Circuit Breakers	Motor Protection	8 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 0.55 - 0.8A SCREW 3RV20210HA10 Siemens 1: $270.96 4In Stock	Mfr. Part No. 3RV20210HA10 Mouser Part No 982-3RV20210HA10	Siemens	Circuit Breakers MSP S0 0.55 - 0.8A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$270.96 $235.23 $207.57 $179.89	Min.: 1 Mult.: 1		3RV2	Circuit Breakers	Motor Protection	800 mA	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 7-10A SCREW 3RV20211JA10 Siemens 1: $328.91 5In Stock	Mfr. Part No. 3RV20211JA10 Mouser Part No 982-3RV20211JA10	Siemens	Circuit Breakers MSP S0 7-10A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$328.91 $272.56 $253.77 $222.25	Min.: 1 Mult.: 1		3RV2	Circuit Breakers	Motor Protection	10 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP 5SJ41027HG40 Siemens 1: $78.05 15In Stock	Mfr. Part No. 5SJ41027HG40 Mouser Part No 982-5SJ41027HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	15In Stock	$78.05 $67.69 $64.14 $53.45 $49.88	Min.: 1 Mult.: 1		5SJ4	Circuit Breakers	Miniature	2 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers 8345-C11A-U3M1-DB1B2B-8A E-T-A 1: $143.04 11In Stock	Mfr. Part No. 8345-C11A-U3M1-DB1B2B-8A Mouser Part No 457-8345C11AU3M1DB1B	E-T-A	Circuit Breakers	Datasheet	11In Stock	$143.04 $118.60 $110.52 $91.02 View $84.55 Quote	Min.: 1 Mult.: 1		8345	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	8 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 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), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang 1410-L210-L2F1-S02-4.5A E-T-A 1: $15.08 148In Stock	Mfr. Part No. 1410-L210-L2F1-S02-4.5A Mouser Part No 457-0L210L2F1S024.5A	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), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang Learn More about E-T-A eta 1410 L2 thermal circuit breakers	Datasheet	148In Stock	$15.08 $12.53 $11.55 $9.57 View $8.83 $8.13	Min.: 1 Mult.: 1		1410-L2	Thermal Circuit Breakers	Overcurrent Protection	4.5 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 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) for PCB mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings 104-PR-10A E-T-A 1: $18.43 96In Stock	Mfr. Part No. 104-PR-10A Mouser Part No 457-104-PR-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	96In Stock	$18.43 $15.31 $14.12 $11.69 $11.08	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 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-P1M1-0.5A E-T-A 1: $32.52 44In Stock	Mfr. Part No. 1110-F112-P1M1-0.5A Mouser Part No 457-1110F112P1M10.5A	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	44In Stock	$32.52 $26.97 $21.76 $18.48 View $18.40 $17.68 $16.36 Quote	Min.: 1 Mult.: 1		1110-Fx12-P1M1		Thermal Overcurrent	500 mA	250 VAC	50 VDC	1 Pole	Push to Reset	- 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-P7M1-0.15A E-T-A 1: $46.61 50In Stock	Mfr. Part No. 1140-G151-P7M1-0.15A Mouser Part No 457-140G151P7M10.15A	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	50In Stock	$46.61 $38.68 $32.96 $28.56 View $27.20 $25.03	Min.: 1 Mult.: 1		1140	Miniature Circuit Breakers	Overcurrent Protection	150 mA	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-IG1-K10-DD-32A E-T-A 1: $44.79 42In Stock	Mfr. Part No. 2-5700-IG1-K10-DD-32A Mouser Part No 457-25700IG1K10DD32A	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	42In Stock	$44.79 $39.38 $34.40 $32.28 $27.87	Min.: 1 Mult.: 1		2-5700	Thermal Circuit Breakers	Overcurrent Protection	32 A	250 VAC	28 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-15A E-T-A 1: $37.13 39In Stock	Mfr. Part No. 2-5700-IG2-P10-DD-15A Mouser Part No 457-25700IG2P10DD15A	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	39In Stock	$37.13 $30.82 $25.02 $23.95 View $21.34 $20.47 $19.76 Quote	Min.: 1 Mult.: 1		2-5700	Thermal Circuit Breakers	Overcurrent Protection	15 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated