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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 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-W19FG3-2.5A E-T-A 1: $53.50 8In Stock	Mfr. Part No. 3120-N324-P7T1-W19FG3-2.5A Mouser Part No 457-324P7T1W19FG32.5	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	8In Stock	$53.50 $44.38 $36.77 $33.05 $31.13	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	2.5 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 3400-IG8-P10-SI-12A E-T-A 1: $90.12 6In Stock	Mfr. Part No. 3400-IG8-P10-SI-12A Mouser Part No 457-3400IG8P10SI12A	E-T-A	Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha	Datasheet	6In Stock	$90.12 $74.76 $61.50 $55.24	Min.: 1 Mult.: 1	3400	Thermal Circuit Breakers	Thermal Magnetic					Push to Reset
Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 3400-K20-H-10A E-T-A 1: $92.98 7In Stock	Mfr. Part No. 3400-K20-H-10A Mouser Part No 457-3400K20H10A	E-T-A	Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha	Datasheet	7In Stock	$92.98 $77.78 $64.48 $57.91	Min.: 1 Mult.: 1	3400	Thermal Circuit Breakers	Thermal Magnetic					Push to Reset
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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte 3500-K20-15A E-T-A 1: $84.53 7In Stock	Mfr. Part No. 3500-K20-15A Mouser Part No 457-3500K2015A	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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte	Datasheet	7In Stock	$84.53 $70.12 $57.68 $51.81	Min.: 1 Mult.: 1	3500	Thermal Circuit Breakers	Thermal Magnetic					Push to Reset
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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte 3500-P10-1A E-T-A 1: $78.14 8In Stock	Mfr. Part No. 3500-P10-1A Mouser Part No 457-3500P101A	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). Featuring a flange for panel mounting, and optional auxiliary contacts and unprotecte	Datasheet	8In Stock	$78.14 $64.83 $55.41 $48.93 View $47.03 $45.60 Quote	Min.: 1 Mult.: 1	3500	Thermal Circuit Breakers	Thermal Magnetic					Push to Reset
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 status output signals 1410-G112-P3F1-B04-1A E-T-A 1: $19.70 23In Stock	Mfr. Part No. 1410-G112-P3F1-B04-1A Mouser Part No 457-410G112P3F1B041A	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 status output signals	Datasheet	23In Stock	$19.70 $17.76 $16.27 $12.67 View $11.28 $10.47	Min.: 1 Mult.: 1	1410-G1	Thermal Circuit Breakers	Overcurrent Protection	1 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 100 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-K14-N2-30A E-T-A 1: $152.77 5In Stock	Mfr. Part No. 413-K14-N2-30A Mouser Part No 457-413-K14-N2-30A	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	5In Stock	$152.77 $125.42 $108.98 $100.32 $97.27	Min.: 1 Mult.: 1	413	Thermal Circuit Breakers	Thermal Magnetic	30 A		28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 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-LN2-70A E-T-A 1: $157.92 5In Stock	Mfr. Part No. 413-K34-LN2-70A Mouser Part No 457-413-K34-LN2-70A	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	5In Stock	$157.92 $133.79 $117.72 $113.18 View $111.21 Quote	Min.: 1 Mult.: 1	413	Thermal Circuit Breakers	Thermal Magnetic	70 A		28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 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-P7T1-W01D-3.5A E-T-A 1: $44.50 9In Stock	Mfr. Part No. 3120-N521-P7T1-W01D-3.5A Mouser Part No 457-521P7T1W01D3.5	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	9In Stock	$44.50 $36.91 $30.09 $29.76 View $26.24 $25.93 $25.82 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	3.5 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-N521-P7T1-W02D-5A E-T-A 1: $37.20 3In Stock	Mfr. Part No. 3120-N521-P7T1-W02D-5A Mouser Part No 457-521P7T1W02D5	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	3In Stock	$37.20 $33.70 $30.87 $30.25 View $26.95 $26.13 $26.04 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	5 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 pr 3120-N521-P7T1-W19DG4-2A E-T-A 1: $65.87 6In Stock	Mfr. Part No. 3120-N521-P7T1-W19DG4-2A Mouser Part No 457-521P7T1W19DG42	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 pr Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	6In Stock	$65.87 $54.65 $45.55 $43.59 View $39.15 $38.27 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	2 A	230 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-N523-P7T1-W19DG3-10A E-T-A 1: $51.02 10In Stock	Mfr. Part No. 3120-N523-P7T1-W19DG3-10A Mouser Part No 457-523P7T1W19DG310A	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	Datasheet	10In Stock	$51.02 $42.33 $39.04 $33.66 View $30.66 $29.69	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	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 sui 3120-N554-P7T1-W15DY3-3A E-T-A 1: $40.53 14In Stock	Mfr. Part No. 3120-N554-P7T1-W15DY3-3A Mouser Part No 457-554P7T1W15DY33	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 sui Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	14In Stock	$40.53 $35.16 $33.24 $31.28 View $27.61 $27.26 $27.18 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	3 A	115 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	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-N554-P7T1-W19DG3-18A E-T-A 1: $46.90 9In Stock	Mfr. Part No. 3120-N554-P7T1-W19DG3-18A Mouser Part No 457-554P7T1W19DG318	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	9In Stock	$46.90 $33.08 $31.62 $31.28 View $27.57 $27.26 $27.13 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	18 A	115 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	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-CF1HT-000000-1Y2-3A E-T-A 1: $39.43 10In Stock	Mfr. Part No. 3131-CF1HT-000000-1Y2-3A Mouser Part No 457-CF1HT0000001Y23A	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	10In Stock	$39.43 $32.70 $30.16 $23.97 View $23.11 $22.35	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	3 A			1 Pole	Rocker
Circuit Breakers Single pole three-position switch with latching or momentary switch functions. Featuring a soft-touch contoured rocker actuator with optional illumination. The 3131 is sealed to provide IP66 rated front of panel water splash protectio 3131-DF1NQ-000000-2Y2-20A E-T-A 1: $39.39 12In Stock	Mfr. Part No. 3131-DF1NQ-000000-2Y2-20A Mouser Part No 457-DF1NQ000002Y220A	E-T-A	Circuit Breakers Single pole three-position switch with latching or momentary switch functions. Featuring a soft-touch contoured rocker actuator with optional illumination. The 3131 is sealed to provide IP66 rated front of panel water splash protectio	Datasheet	12In Stock	$39.39 $32.67 $31.27 $23.96 View $23.11 $22.33	Min.: 1 Mult.: 1	3131-B/D	Circuit Breakers	Thermal	20 A		32 VDC	3 Pole	Rocker	- 20 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 protection of motors 3120-N321-H7T1-W01D-X3120-M2P7M-24V-14A E-T-A 1: $94.46 7In Stock	Mfr. Part No. 3120-N321-H7T1-W01D-X3120-M2P7M-24V-14A Mouser Part No 457-DX3120M2P7M24V14	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	7In Stock	$94.46 $79.01 $74.86 $62.39 $58.23	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 1A ATEX ESX10-103-DC24V-1A-E E-T-A 1: $111.96 2In Stock	Mfr. Part No. ESX10-103-DC24V-1A-E Mouser Part No 457-ESX10103DC24V1AE	E-T-A	Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 1A ATEX	Datasheet	2In Stock	$111.96 $96.82 $93.19 $89.69 View $88.14 Quote	Min.: 1 Mult.: 1	ESX10-E	Circuit Breakers	Electronic	1 A		24 VDC	1 Pole	Slide	0 C	+ 50 C	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-F130-H7T1-W01Q-1.5A E-T-A 1: $79.24 3In Stock	Mfr. Part No. 3130-F130-H7T1-W01Q-1.5A Mouser Part No 457-F130H7T1W01Q1.5A	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	3In Stock	$79.24 $59.51 $54.43 $49.66 $48.04	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	1.5 A	415 VAC	50 VDC	3 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-F130-P7T1-W02Q-X288 E-T-A 1: $62.48 8In Stock	Mfr. Part No. 3130-F130-P7T1-W02Q-X288 Mouser Part No 457-F130P7T1W02QX288	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	8In Stock	$62.48 $53.74 $43.09 $38.54 $37.20	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent		415 VAC	50 VDC	3 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers 3130-F1B0-N7Q1-W19QG7-20A E-T-A 1: $41.71 5In Stock	Mfr. Part No. 3130-F1B0-N7Q1-W19QG7-20A Mouser Part No 457-F1B0N7Q1W19QG720	E-T-A	Circuit Breakers	Datasheet	5In Stock	$41.71 $34.60 $31.91 $26.75 View $25.07 $23.40 $21.72	Min.: 1 Mult.: 1	3130-F	Circuit Breakers	Thermal	20 A	240 VAC, 415 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	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-AF1HT-000000-1Y2-15A E-T-A 1: $39.43 10In Stock	Mfr. Part No. 3131-AF1HT-000000-1Y2-15A Mouser Part No 457-F1HT0000001Y215A	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	10In Stock	$39.43 $32.70 $30.16 $23.97 View $23.11 $22.35	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	15 A			1 Pole	Rocker
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-AF1NQ-000000-1T2-20A E-T-A 1: $35.96 4In Stock	Mfr. Part No. 3131-AF1NQ-000000-1T2-20A Mouser Part No 457-F1NQ0000001T220A	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	4In Stock	$35.96 $29.83 $24.59 $21.69 View $20.72 $20.04	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	20 A			1 Pole	Rocker
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-000000-1Y7-10A E-T-A 1: $39.43 3In Stock	Mfr. Part No. 3131-AF1PT-000000-1Y7-10A Mouser Part No 457-F1PT0000001Y710A	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	3In Stock	$39.43 $32.70 $27.12 $23.97 View $23.11 $22.35	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 ETA Circuit Breakers 3140-F270-P7T1-SGRX-16A E-T-A 1: $184.59 5In Stock	Mfr. Part No. 3140-F270-P7T1-SGRX-16A Mouser Part No 457-F270P7T1SGRX16	E-T-A	Circuit Breakers ETA Circuit Breakers	Datasheet	5In Stock	$184.59 $153.06 $127.10 $118.70	Min.: 1 Mult.: 1	3140