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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 Cir Brkr Hyd Mag IELK1-1-51-25.0-01-V AIRPAX 1: $62.65 4In Stock	Mfr. Part No. IELK1-1-51-25.0-01-V Mouser Part No 874-IELK1151251V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	4In Stock	$62.65 $54.68 $38.04 $33.41 View $27.68 $25.37 $23.05 Quote	Min.: 1 Mult.: 1	IEL	Circuit Breakers	Hydraulic Magnetic	25 A			1 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IMLK1-1-59-1.00-01 AIRPAX 1: $69.84 1In Stock	Mfr. Part No. IMLK1-1-59-1.00-01 Mouser Part No 874-IMLK115911	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$69.84 $61.01 $42.41 $37.25 View $30.84 $28.27 Quote	Min.: 1 Mult.: 1	IAL/IDL/IML/IUL	Circuit Breakers	Hydraulic Magnetic	1 A			1 Pole	Handle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag R21-62-15.0A-32440-5-V AIRPAX 1: $42.93 2In Stock	Mfr. Part No. R21-62-15.0A-32440-5-V Mouser Part No 874-R2162150A324405V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	2In Stock	$42.93 $40.36 $39.17 $37.12 View $35.53 $34.34 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	15 A			1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MCB SU200ML 2P K 20A UL 489 SU202ML-K20 ABB 1: $144.10 4In Stock 10Expected 20/11/2026	Mfr. Part No. SU202ML-K20 Mouser Part No 894-SU202ML-K20	ABB	Circuit Breakers MCB SU200ML 2P K 20A UL 489 Learn More about ABB su200ml mini circuit breakers	Datasheet	4In Stock 10Expected 20/11/2026	$144.10 $109.41 $101.34 $89.38 View $85.25 Quote	Min.: 1 Mult.: 1	SU200ML	Circuit Breakers		20 A			2 Pole
Circuit Breakers UL489 MCB 3P Z 40A 480/277 SU203M-Z40 ABB 1: $213.70 8In Stock New At Mouser	Mfr. Part No. SU203M-Z40 Mouser Part No 894-SU203M-Z40 New At Mouser	ABB	Circuit Breakers UL489 MCB 3P Z 40A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	8In Stock	$213.70 $177.12 $164.36 View Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		40 A			3 Pole
Circuit Breakers MCB SU200ML 3P K 25A UL 489 SU203ML-K25 ABB 1: $191.20 5In Stock New At Mouser	Mfr. Part No. SU203ML-K25 Mouser Part No 894-SU203ML-K25 New At Mouser	ABB	Circuit Breakers MCB SU200ML 3P K 25A UL 489 Learn More about ABB su200ml mini circuit breakers	Datasheet	5In Stock	$191.20 $165.30 $153.13 $135.04 View Quote	Min.: 1 Mult.: 1	SU200ML	Circuit Breakers		25 A			3 Pole
Circuit Breakers COIL ST MX 24V AC/DC FOR GV4 BV4 GV4AS027 Schneider Electric 1: $183.18 1In Stock	Mfr. Part No. GV4AS027 Mouser Part No 996-GV4AS027	Schneider Electric	Circuit Breakers COIL ST MX 24V AC/DC FOR GV4 BV4	Datasheet	1In Stock	$183.18	Min.: 1 Mult.: 1
Circuit Breakers Circuit Protector NRF110R-1A IDEC 1: $16.10 2In Stock	Mfr. Part No. NRF110R-1A Mouser Part No 199-NRF110R1A	IDEC	Circuit Breakers Circuit Protector	Datasheet	2In Stock	$16.10 $13.91 $12.75 $11.01 View $9.41 $8.69 $7.82 $7.53	Min.: 1 Mult.: 1	NRF	Circuit Breakers			250 VAC	32 VDC	1 Pole		- 10 C	+ 60 C
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-1125-35A E-T-A 1: $43.06 8In Stock	Mfr. Part No. 2-5700-IG1-K10-DD-1125-35A Mouser Part No 457-0IG1K10DD112535A	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	8In Stock	$43.06 $35.72 $29.31 $26.18 View $21.38 $20.23 $19.28 Quote	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	35 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Min Ord Qty 10. 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-N31F-P7T1-SGRD-10A E-T-A 1: $32.93 7In Stock	Mfr. Part No. 3120-N31F-P7T1-SGRD-10A Mouser Part No 457-0N31FP7T1SGRD10A	E-T-A	Circuit Breakers Min Ord Qty 10. 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	7In Stock	$32.93 $27.32 $21.02 $19.30 View $15.51 $14.71 $14.07 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers Thermal circuit breaker, with controlled self-resetting mechanism, specially suited to installation in inaccessible locations. Under overload conditions the circuit breaker contacts will open to protect the load circuit. A low current 1160-02-30A E-T-A 1: $22.10 41In Stock	Mfr. Part No. 1160-02-30A Mouser Part No 457-1160-02-30A	E-T-A	Circuit Breakers Thermal circuit breaker, with controlled self-resetting mechanism, specially suited to installation in inaccessible locations. Under overload conditions the circuit breaker contacts will open to protect the load circuit. A low current	Datasheet	41In Stock	$22.10 $20.12 $18.45 $14.00	Min.: 1 Mult.: 1	1160	Thermal Circuit Breakers	Thermal	30 A		12 VDC	1 Pole		- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi E-T-A 1658-G21-07-P10-30A 1658-G21-07-P10-30A E-T-A 1: $7.28 62In Stock 250Expected 05/03/2027	Mfr. Part No. 1658-G21-07-P10-30A Mouser Part No 457-1658G2107P1030A	E-T-A	Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi	Datasheet	62In Stock 250Expected 05/03/2027	$7.28 $6.93 $6.68 $5.20 View $3.93 $3.82 $3.57 $3.50	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	30 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 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-N323-P7T1-W19DG4-15A E-T-A 1: $40.52 10In Stock	Mfr. Part No. 3120-N323-P7T1-W19DG4-15A Mouser Part No 457-323P7T1W19DG415A	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	10In Stock	$40.52 $35.16 $34.79 $33.78 View $30.23 $29.85 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	15 A	230 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw 4130-G411-K4M1-25A E-T-A 1: $95.27 6In Stock	Mfr. Part No. 4130-G411-K4M1-25A Mouser Part No 457-4130G411K4M125A	E-T-A	Circuit Breakers Single pole high performance thermal circuit breaker, with push-to-reset tease free, trip-free snap action mechanism (R-type TO CBE to EN 60934). Designed for threadneck panel mounting and for applications with a high fault current sw	Datasheet	6In Stock	$95.27 $79.70 $68.22 $61.50 View $56.08 Quote	Min.: 1 Mult.: 1	4130	Thermal Circuit Breakers	Thermal Magnetic	25 A	240 VAC	50 VDC	1 Pole	Push-Pull	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. 452-K33-LN2-100A E-T-A 1: $451.14 2In Stock	Mfr. Part No. 452-K33-LN2-100A Mouser Part No 457-452-K33-LN2-100A	E-T-A	Circuit Breakers Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position.	Datasheet	2In Stock	$451.14 $347.54 $324.50	Min.: 1 Mult.: 1	452		Thermal Magnetic	100 A		28 VDC	1 Pole	Pushbutton	- 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-N523-P7T1-W02D-10A E-T-A 1: $44.50 10In Stock	Mfr. Part No. 3120-N523-P7T1-W02D-10A Mouser Part No 457-523P7T1W02D10	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	10In Stock	$44.50 $36.92 $34.05 $27.45 $25.59	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 Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 808-H-5A E-T-A 1: $54.87 7In Stock	Mfr. Part No. 808-H-5A Mouser Part No 457-808-H-5A	E-T-A	Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac	Datasheet	7In Stock	$54.87 $46.77 $44.70 $41.05 View $40.75 $40.60 Quote	Min.: 1 Mult.: 1	808			5 A		24 VDC	1 Pole	Pushbutton	- 30 C	+ 70 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-W14QR3-20A E-T-A 1: $44.70 9In Stock	Mfr. Part No. 3130-F110-P7T1-W14QR3-20A Mouser Part No 457-F110P7T1W14QR320	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	$44.70 $37.08 $30.59 $27.57 View $26.58 $25.70	Min.: 1 Mult.: 1	3130-F	Circuit Breakers	Thermal	20 A	240 VAC, 415 VAC	50 VDC	1 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-AF1PT-000000-000-16A E-T-A 1: $29.43 9In Stock	Mfr. Part No. 3131-AF1PT-000000-000-16A Mouser Part No 457-F1PT00000000016A	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	9In Stock	$29.43 $24.42 $19.99 $17.63 View $16.71 $16.12	Min.: 1 Mult.: 1	3131-A/C	Circuit Breakers	Thermal	16 A			1 Pole	Rocker
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-X3120-S01BM-2.5A E-T-A 1: $101.51 2In Stock 70On Order	Mfr. Part No. 3120-N324-P7T1-W19FG3-X3120-S01BM-2.5A Mouser Part No 457-FG3X3120S01BM2.5	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	2In Stock 70On Order On Order Ship Dates Mfr. No: 3120-N324-P7T1-W19FG3-X3120-S01BM-2.5A Stock: 2 Can Dispatch Immediately On Order: 30 Expected 04/01/2027 40 Expected 29/01/2027 Factory Lead Time: 14 Weeks	$101.51 $99.39 $67.05 $62.58 View Quote	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 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 protectio 3120-N324-P7T1-W19FG3-X3120-S01BM-4A E-T-A 1: $101.51 19In Stock	Mfr. Part No. 3120-N324-P7T1-W19FG3-X3120-S01BM-4A Mouser Part No 457-FG3X3120S01BM4	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 protectio Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	19In Stock	$101.51 $87.04 $77.95 $67.05 View $62.60 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 inlet, pre-wired 3120-N526-P7T1-W02D-X3120-A040011M-10A E-T-A 1: $46.13 5In Stock	Mfr. Part No. 3120-N526-P7T1-W02D-X3120-A040011M-10A Mouser Part No 457-W02DA040011M10A	E-T-A	Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 inlet, pre-wired Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	5In Stock	$46.13 $38.27 $35.31 $30.00 View $28.13 $26.26 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection				1 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 std filtered inlet, pre-wired 3120-N526-P7T1-W02D-X3120-A04011011M-10A E-T-A 1: $67.78 9In Stock	Mfr. Part No. 3120-N526-P7T1-W02D-X3120-A04011011M-10A Mouser Part No 457-W02DA4011011M10A	E-T-A	Circuit Breakers AC PEM, w/ 2 pole , 10A, white rocker, C14 std filtered inlet, pre-wired Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	9In Stock	$67.78 $56.23 $51.87 $42.93 View $39.95 $37.11 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Motor Protection Cir cuit Break J7MN-3P1E-6 Omron Automation and Safety 1: $226.16 3In Stock	Mfr. Part No. J7MN-3P1E-6 Mouser Part No 653-J7MN3P1E6	Omron Automation and Safety	Circuit Breakers Motor Protection Cir cuit Break	Datasheet	3In Stock	$226.16 $179.89 $172.07 $161.74 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Motor Protection	1.6 A	690 VAC		3 Pole	Rocker	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 13A Z Characteristic UL 508 1 POLE 1Z13UM Altech 1: $58.85 11In Stock	Mfr. Part No. 1Z13UM Mouser Part No 845-1Z13UM	Altech	Circuit Breakers 13A Z Characteristic UL 508 1 POLE Learn More about Altech um v ea circuit breakers	Datasheet	11In Stock	$58.85 $50.90 $46.95 $37.24 View $36.20 $35.15 Quote	Min.: 1 Mult.: 1	UM	Circuit Breakers	Z-Trip	13 A	277 VAC	42 VDC	1 Pole	Handle	- 25 C	+ 55 C	Non-Illuminated