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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 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-IG2-P10-3A E-T-A 1: $79.98 8In Stock	Mfr. Part No. 3400-IG2-P10-3A Mouser Part No 457-3400IG2P103A	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	8In Stock	$79.98 $66.35 $54.82 $48.49	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-IG8-P10-1.2A E-T-A 1: $79.98 9In Stock	Mfr. Part No. 3400-IG8-P10-1.2A Mouser Part No 457-3400IG8P101.2A	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	9In Stock	$79.98 $66.35 $54.82 $48.49	Min.: 1 Mult.: 1	3400	Thermal Circuit Breakers	Thermal Magnetic	1.2 A	240 VAC	65 VDC	1 Pole	Push to Reset	- 30 C	+ 60 C	Non-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-P10-15A E-T-A 1: $79.98 9In Stock	Mfr. Part No. 3400-IG8-P10-15A Mouser Part No 457-3400IG8P1015A	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	9In Stock	$79.98 $66.35 $54.82 $48.49	Min.: 1 Mult.: 1	3400	Thermal Circuit Breakers	Thermal Magnetic					Push to Reset
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 412-K54-LN2-25A E-T-A 1: $133.78 4In Stock 3Expected 27/11/2026	Mfr. Part No. 412-K54-LN2-25A Mouser Part No 457-412-K54-LN2-25A	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 412 circuit breakers	Datasheet	4In Stock 3Expected 27/11/2026	$133.78 $97.82 $82.25	Min.: 1 Mult.: 1	412	Circuit Breakers	Thermal	25 A	115 VAC	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-K54-N2-30A E-T-A 1: $160.18 2In Stock	Mfr. Part No. 413-K54-N2-30A Mouser Part No 457-413-K54-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	2In Stock	$160.18 $132.74 $115.17 $105.99 View $102.73 Quote	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 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-20A E-T-A 1: $44.50 5In Stock	Mfr. Part No. 3120-N521-P7T1-W02D-20A Mouser Part No 457-521P7T1W02D20	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	5In Stock	$44.50 $36.92 $30.45 $27.45 $25.59	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 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-W02D-15A E-T-A 1: $44.50 3In Stock	Mfr. Part No. 3120-N523-P7T1-W02D-15A Mouser Part No 457-523P7T1W02D15	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	$44.50 $36.92 $30.45 $27.45 $25.59	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	15 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 protection of motors 3120-N523-P7T1-W02D-4A E-T-A 1: $44.50 2In Stock	Mfr. Part No. 3120-N523-P7T1-W02D-4A Mouser Part No 457-523P7T1W02D4	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	2In Stock	$44.50 $36.92 $30.45 $27.45 $25.59	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	4 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 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-P10-DD-0.1A E-T-A 1: $41.50 12In Stock	Mfr. Part No. 2-5700-IG1-P10-DD-0.1A Mouser Part No 457-5700IG1P10DD0.1A	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	12In Stock	$41.50 $40.34 $25.24 $20.60 View $19.49 $18.57	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	100 mA	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 8340-F410-P1M1-ALH0-2A E-T-A 1: $87.85 1In Stock New At Mouser	Mfr. Part No. 8340-F410-P1M1-ALH0-2A Mouser Part No 457-8340F410P1M1ALH0 New At Mouser	E-T-A	Circuit Breakers		1In Stock	$87.85 $72.87 $68.53 $57.11 $53.86	Min.: 1 Mult.: 1
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-000000-000-8A E-T-A 1: $29.41 2In Stock	Mfr. Part No. 3131-AF1PT-000000-000-8A Mouser Part No 457-AF1PT0000000008A	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	2In Stock	$29.41 $24.40 $19.97 $17.61 View $16.69 $16.10	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	8 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 60 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-000000-3Y2-10A E-T-A 1: $39.42 5In Stock	Mfr. Part No. 3131-AF1PT-000000-3Y2-10A Mouser Part No 457-AF1PT000003Y210A	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	5In Stock	$39.42 $32.70 $27.12 $23.96 View $23.11 $22.35	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	10 A			1 Pole	Rocker
Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 3A ATEX ESX10-103-DC24V-3A-E E-T-A 1: $111.95 1In Stock	Mfr. Part No. ESX10-103-DC24V-3A-E Mouser Part No 457-ESX10103DC24V3AE	E-T-A	Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 3A ATEX	Datasheet	1In Stock	$111.95 $93.99 $89.53 $83.74 View $81.13 Quote	Min.: 1 Mult.: 1	ESX10-E	Circuit Breakers	Electronic	3 A		24 VDC		Slide	0 C	+ 50 C	Non-Illuminated
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-BF1NQ-000000-000-20A E-T-A 1: $29.42 7In Stock	Mfr. Part No. 3131-BF1NQ-000000-000-20A Mouser Part No 457-F1NQ00000000020A	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	7In Stock	$29.42 $24.41 $20.71 $19.08 View $18.23 $17.53 $16.92 Quote	Min.: 1 Mult.: 1	3131-B/D	Circuit Breakers	Thermal	20 A		32 VDC	3 Pole	Rocker	- 20 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-N523-P7T1-W19DG3-5A E-T-A 1: $44.26 8In Stock	Mfr. Part No. 3120-N523-P7T1-W19DG3-5A Mouser Part No 457-N523P7T1W19DG35A	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	8In Stock	$44.26 $37.71 $34.73 $33.05 View $28.92 $28.20 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers Min Ord Qty 10. 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-N524-P7T1-W12LY4-6A E-T-A 1: $56.61 5In Stock	Mfr. Part No. 3120-N524-P7T1-W12LY4-6A Mouser Part No 457-N524P7T1W12LY46A	E-T-A	Circuit Breakers Min Ord Qty 10. 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	Datasheet	5In Stock	$56.61 $46.96 $40.11 $37.21 View $33.89 $32.95	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection					Rocker
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-W02D-X3120-U0100M-4A E-T-A 1: $111.25 6In Stock	Mfr. Part No. 3120-N521-H7T1-W02D-X3120-U0100M-4A Mouser Part No 457-W02DX3120U0100M4	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	6In Stock	$111.25 $93.92 $88.98 $74.15 $69.93	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers QL-2-13-DM-KM-13.0 7940102652 Weidmuller 1: $105.99 5In Stock	Mfr. Part No. 7940102652 Mouser Part No 470-7940102652	Weidmuller	Circuit Breakers QL-2-13-DM-KM-13.0	Datasheet	5In Stock	$105.99 $85.57 $71.27	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag IELBXK1-1-72-100.-GK-N6-V AIRPAX 1: $124.90 2In Stock	Mfr. Part No. IELBXK1-1-72-100.-GK-N6-V Mouser Part No 682-BXK1172100.GKN6V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	2In Stock	$124.90 $98.37 $94.95 $84.55 View $72.90 $67.49 Quote	Min.: 1 Mult.: 1	IEL
Circuit Breakers Cir Brkr Hyd Mag LELB1-1REC4-52-50.0-A1-01-V AIRPAX 1: $96.93 1In Stock	Mfr. Part No. LELB1-1REC4-52-50.0-A1-01-V Mouser Part No 682-LELB1152500A101V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$96.93 $85.42 $84.60 $66.26 View $51.64 $42.79 $40.26 Quote	Min.: 1 Mult.: 1	LEL/LML	Circuit Breakers	Hydraulic Magnetic	50 A			1 Pole	Handle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag PP21-62-.500A-OB-V AIRPAX 1: $57.98 2In Stock	Mfr. Part No. PP21-62-.500A-OB-V Mouser Part No 682-PP2162.500AOBV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	2In Stock	$57.98 $50.02 $49.73 $46.81 View $45.08 $43.90 $42.74 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	500 mA			2 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Equipment breaker TR11-C-Y-63-B-0-C-6.5A Altech 1: $8.72 33In Stock	Mfr. Part No. TR11-C-Y-63-B-0-C-6.5A Mouser Part No 845-TR11-CY63B0C6.5A	Altech	Circuit Breakers Equipment breaker Learn More about Altech tr circuit breakers	Datasheet	33In Stock	$8.72 $8.61 $7.31 $6.05 View $5.15 $4.84 $4.28 $4.08	Min.: 1 Mult.: 1	TR11	Circuit Breakers	Supplementary Protector	6.5 A	240 VAC	50 VDC	1 Pole	Pushbutton	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag 209-1-1-62F-3-2-12 AIRPAX 1: $113.75 1In Stock	Mfr. Part No. 209-1-1-62F-3-2-12 Mouser Part No 874-2091162F3212	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata 209 219 229 249 279 circuit breakers	Datasheet	1In Stock	$113.75 $96.94 $96.91 $84.58 View $81.62 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Magnetic Branch	100 A	120 VAC, 240 VAC		1 Pole	Handle			Non-Illuminated
Circuit Breakers Cir Brkr,HydMag IALN1-1-52-25.0 AIRPAX 1: $91.48 1In Stock	Mfr. Part No. IALN1-1-52-25.0 Mouser Part No 874-IALN1-1-52-25.0	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	1In Stock	$91.48 $79.90 $55.54 $48.80 View $40.41 $37.05 Quote	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag IALNK1-1-51-15.0-K AIRPAX 1: $95.36 1In Stock	Mfr. Part No. IALNK1-1-51-15.0-K Mouser Part No 874-IALNK115115K	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$95.36 $84.06 $83.27 $65.22 View $50.85 $42.07 $39.62 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	15 A			1 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated