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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	Packaging
Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for 8340-F110-P1M2-KLH0-5A E-T-A 1: $90.15 8In Stock	Mfr. Part No. 8340-F110-P1M2-KLH0-5A Mouser Part No 457-834110P1M2KLH05	E-T-A	Circuit Breakers Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for	Datasheet	8In Stock	$90.15 $74.78 $70.31 $59.02 View $56.86 Quote	Min.: 1 Mult.: 1	8340-F	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic	5 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 3120-N521-P7T1-W19DG2-3A E-T-A 1: $51.00 5In Stock	Mfr. Part No. 3120-N521-P7T1-W19DG2-3A Mouser Part No 457-N521P7T1W19DG23A	E-T-A	Circuit Breakers	Datasheet	5In Stock	$51.00 $42.31 $39.03 $33.57 View $31.48 $29.39 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection					Rocker
Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 std filtered inlet, pre-wired 3120-N526-P7T1-W02D-X3120-A04010311M-3A E-T-A 1: $67.78 10In Stock	Mfr. Part No. 3120-N526-P7T1-W02D-X3120-A04010311M-3A Mouser Part No 457-W02DA04010311M3A	E-T-A	Circuit Breakers AC PEM, w/ 2 pole , 3A, white rocker, C14 std filtered inlet, pre-wired Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	10In Stock	$67.78 $56.23 $51.87 $42.93 View $39.95 $37.11 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection	3 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers AC PEM, w/ 2 pole , 15A, white rocker, C20 inlet, pre-wired 3120-N526-P7T1-W02D-15A-X3120-B-04-00-11 E-T-A 1: $46.13 7In Stock	Mfr. Part No. 3120-N526-P7T1-W02D-15A-X3120-B-04-00-11 Mouser Part No 457-W02DB040011M15A	E-T-A	Circuit Breakers AC PEM, w/ 2 pole , 15A, white rocker, C20 inlet, pre-wired Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	7In Stock	$46.13 $38.27 $35.31 $30.00 View $28.13 $26.26 Quote	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Overcurrent Protection	15 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 4P 50A C CURVE FAZ-C50/4 Eaton Electrical 1: $924.63 1In Stock	Mfr. Part No. FAZ-C50/4 Mouser Part No 504-FAZ-C50/4	Eaton Electrical	Circuit Breakers FAZ UL 1077 4P 50A C CURVE	Datasheet	1In Stock	$924.63	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	50 A	240 VAC, 415 VAC		4 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers IUGN6-1-51-1.00 Sensata Technologies 1: $101.82 3In Stock	Mfr. Part No. IUGN6-1-51-1.00 Mouser Part No 682-IUGN6-1-51-1.00	Sensata Technologies	Circuit Breakers	Datasheet	3In Stock	$101.82 $93.32 $86.16 $86.15 View $86.14 Quote	Min.: 1 Mult.: 1	IUGN
Circuit Breakers IMG1-1RLS5-33601-20-V Sensata Technologies 1: $74.44 3In Stock	Mfr. Part No. IMG1-1RLS5-33601-20-V Mouser Part No 682-MG11RLS53360120V	Sensata Technologies	Circuit Breakers	Datasheet	3In Stock	$74.44 $74.43	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag IAGH666-1-65-40.0-01 AIRPAX 1: $188.03 1In Stock	Mfr. Part No. IAGH666-1-65-40.0-01 Mouser Part No 874-IAGH666165401	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	1In Stock	$188.03 $164.22 $114.11 $100.24 View $83.01 Quote	Min.: 1 Mult.: 1		Circuit Breakers		40 A			3 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IUG66-1-62-30.0-20 AIRPAX 1: $110.94 1In Stock	Mfr. Part No. IUG66-1-62-30.0-20 Mouser Part No 874-IUG661623020	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata iug breaker	Datasheet	1In Stock	$110.94 $96.94 $67.37 $59.17 View $49.00 $44.90 Quote	Min.: 1 Mult.: 1	IUG	Circuit Breakers		30 A			2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers IUGH11-3176-1 AIRPAX 1: $81.99 1In Stock	Mfr. Part No. IUGH11-3176-1 Mouser Part No 874-IUGH11-3176-1	AIRPAX	Circuit Breakers	Datasheet	1In Stock	$81.99 $77.68 $73.37 $70.06 $67.44	Min.: 1 Mult.: 1		Circuit Breakers	Hydraulic Magnetic		240 VAC	80 VDC	2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr,HydMag IMLK1-1RLS5-29789-90 AIRPAX 1: $94.69 2In Stock	Mfr. Part No. IMLK1-1RLS5-29789-90 Mouser Part No 874-MLK11RLS52978990	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	2In Stock	$94.69 $82.75 $57.45 $50.52 View $41.81 $38.31 Quote	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag PR21-61-15.0A-XX-V AIRPAX 1: $42.84 2In Stock	Mfr. Part No. PR21-61-15.0A-XX-V Mouser Part No 874-PR2161150AXXV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	2In Stock	$42.84 $40.36 $39.17 $37.12 View $35.53 $34.27 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	15 A			2 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers R21-61-5.00A-W02EV AIRPAX 1: $78.94 1In Stock	Mfr. Part No. R21-61-5.00A-W02EV Mouser Part No 874-R21-61-500AW02EV	AIRPAX	Circuit Breakers	Datasheet	1In Stock	$78.94	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Thermal	5 A			2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers UL489 MCB 2P C 0.5A 480/277 SU202M-C0.5 ABB 1: $144.10 3In Stock 3Expected 01/03/2027 New At Mouser	Mfr. Part No. SU202M-C0.5 Mouser Part No 894-SU202M-C0.5 New At Mouser	ABB	Circuit Breakers UL489 MCB 2P C 0.5A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	3In Stock 3Expected 01/03/2027	$144.10 $114.15 $104.43 $95.70 View $91.18 Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		500 mA			2 Pole
Circuit Breakers MCB SU200MR RTT 2P K 4A BCP SU202MR-K4 ABB 1: $146.99 2In Stock 3On Order New At Mouser	Mfr. Part No. SU202MR-K4 Mouser Part No 894-SU202MR-K4 New At Mouser	ABB	Circuit Breakers MCB SU200MR RTT 2P K 4A BCP Learn More about ABB su200mr mini circuit breakers	Datasheet	2In Stock 3On Order On Order Ship Dates Mfr. No: SU202MR-K4 Stock: 2 Can Dispatch Immediately On Order: 1 Expected 01/01/2027 2 Expected 05/02/2027 Factory Lead Time: 22 Weeks	$146.99 $127.84 $116.91 $101.53 View $94.95 Quote	Min.: 1 Mult.: 1	SU200MR	Circuit Breakers		4 A			2 Pole
Circuit Breakers MCB SU200MR RTT 2P K 5A BCP SU202MR-K5 ABB 1: $161.98 9In Stock New At Mouser	Mfr. Part No. SU202MR-K5 Mouser Part No 894-SU202MR-K5 New At Mouser	ABB	Circuit Breakers MCB SU200MR RTT 2P K 5A BCP Learn More about ABB su200mr mini circuit breakers	Datasheet	9In Stock	$161.98 $141.28 $129.20 $115.50 View $111.08 Quote	Min.: 1 Mult.: 1	SU200MR	Circuit Breakers		5 A			2 Pole
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-G41-02-P10-5A 1658-G41-02-P10-5A E-T-A 1: $7.28 247In Stock	Mfr. Part No. 1658-G41-02-P10-5A Mouser Part No 457-1658G4102P105A	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	247In Stock	$7.28 $6.93 $6.68 $5.03 View $3.88 $3.82 $3.58 $3.40	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 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 3300-IG8-K20-15A E-T-A 1: $82.84 19In Stock	Mfr. Part No. 3300-IG8-K20-15A Mouser Part No 457-3300IG8K2015A	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	19In Stock	$82.84 $72.63 $66.69 $59.34 View $56.82 Quote	Min.: 1 Mult.: 1	3300	Thermal Circuit Breakers	Thermal Magnetic					Push to Reset
Circuit Breakers TMC 1 F1 100 16,0A 0914183 Phoenix Contact 1: $85.48 11In Stock	Mfr. Part No. 0914183 Mouser Part No 651-0914183	Phoenix Contact	Circuit Breakers TMC 1 F1 100 16,0A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	11In Stock	$85.48 $78.62	Min.: 1 Mult.: 1		Circuit Breakers	Thermal Magnetic	16 A		65 VDC	1 Pole	Lever	- 30 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers TMC 72C 32A 1020010 Phoenix Contact 1: $34.51 69In Stock	Mfr. Part No. 1020010 Mouser Part No 651-1020010	Phoenix Contact	Circuit Breakers TMC 72C 32A Learn More about Phoenix Contact control cabinets	Datasheet	69In Stock	$34.51	Min.: 1 Mult.: 1	TMC 7	Circuit Breakers	Thermal Magnetic	32 A	277 VAC	125 VDC	2 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers TMC 82B 05A 2907506 Phoenix Contact 1: $49.87 41In Stock 42Expected 11/11/2026	Mfr. Part No. 2907506 Mouser Part No 651-2907506	Phoenix Contact	Circuit Breakers TMC 82B 05A Learn More about Phoenix Contact control cabinets	Datasheet	41In Stock 42Expected 11/11/2026	$49.87	Min.: 1 Mult.: 1	TMC 8	Circuit Breakers	Thermal Magnetic	5 A	240 VAC	125 VDC	2 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers W67-X2Q50-30 M6/M7/M9/W6/W7 7-1393252-8 TE Connectivity / AMP 1: $65.48 111In Stock	Mfr. Part No. 7-1393252-8 Mouser Part No 655-7-1393252-8	TE Connectivity / AMP	Circuit Breakers W67-X2Q50-30 M6/M7/M9/W6/W7	Datasheet	111In Stock	$65.48 $65.47	Min.: 1 Mult.: 1	W6	Circuit Breakers	Hydraulic Magnetic	30 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE W67-X2Q12-7 TE Connectivity / P&B 1: $100.79 93In Stock	Mfr. Part No. W67-X2Q12-7 Mouser Part No 655-W67-X2Q12-7	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE	Datasheet	93In Stock	$100.79 $88.29 $84.48 $81.75 View $79.02 Quote	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	7 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 5A WHITE W67-X2Q52-5 TE Connectivity 1: $78.21 102In Stock	Mfr. Part No. W67-X2Q52-5 Mouser Part No 655-W67-X2Q52-5	TE Connectivity	Circuit Breakers CIRCUIT BREAKER SWITCH 5A WHITE	Datasheet	102In Stock	$78.21 $70.59 $65.49 $61.95	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	5 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 20AMP 277VAC TOGGLE 2 POLE W92-X113-20 TE Connectivity / Raychem 1: $386.82 57In Stock	Mfr. Part No. W92-X113-20 Mouser Part No 655-W92-X113-20	TE Connectivity / Raychem	Circuit Breakers 20AMP 277VAC TOGGLE 2 POLE	Datasheet	57In Stock	$386.82 $383.92 $262.51 $167.51 View Quote	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	20 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated