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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 UL489 MCB 3P Z 10A 480/277 SU203M-Z10 ABB 1: $217.72 5In Stock New At Mouser	Mfr. Part No. SU203M-Z10 Mouser Part No 894-SU203M-Z10 New At Mouser	ABB	Circuit Breakers UL489 MCB 3P Z 10A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	5In Stock	$217.72 $180.54 $153.13 $135.05 View Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		10 A			3 Pole
Circuit Breakers MCB SUP200M 3P K 1A UL 489 SUP203M-K1 ABB 1: $271.42 1In Stock New At Mouser	Mfr. Part No. SUP203M-K1 Mouser Part No 894-SUP203M-K1 New At Mouser	ABB	Circuit Breakers MCB SUP200M 3P K 1A UL 489	Datasheet	1In Stock	$271.42 $224.96 $207.37 $171.38 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1 A	400 VAC		3 Pole	Handle			Non-Illuminated
Circuit Breakers MCB SUP200M 3P K 10A UL 489 SUP203M-K10 ABB 1: $262.84 1In Stock New At Mouser	Mfr. Part No. SUP203M-K10 Mouser Part No 894-SUP203M-K10 New At Mouser	ABB	Circuit Breakers MCB SUP200M 3P K 10A UL 489	Datasheet	1In Stock	$262.84 $242.19 $220.15 $197.02 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	10 A	400 VAC		3 Pole	Handle			Non-Illuminated
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 50A QOB250H APC by Schneider Electric 1: $244.80 3In Stock	Mfr. Part No. QOB250H Mouser Part No 996-QOB250H	APC by Schneider Electric	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 50A	Datasheet	3In Stock	$244.80	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	50 A	120 VAC, 240 VAC		2 Pole	Toggle			Non-Illuminated
Circuit Breakers HB2201UC HYD.MCB UL489 2P,Curve2,1.0A 2822170000 Weidmuller 1: $80.83 18In Stock	Mfr. Part No. 2822170000 Mouser Part No 470-2822170000	Weidmuller	Circuit Breakers HB2201UC HYD.MCB UL489 2P,Curve2,1.0A Learn More about Weidmuller hb circuit breakers	Datasheet	18In Stock	$80.83 $70.06 $65.54 $60.44 View $58.07 Quote	Min.: 1 Mult.: 1	HB	Circuit Breakers	Hydraulic Magnetic	1 A	120 VAC, 240 VAC	80 VDC	2 Pole	Lever	- 40 C	+ 85 C	Non-Illuminated	Bulk
Circuit Breakers CB4201-10, 2.5A/TS35 7940102159 Weidmuller 1: $99.65 14In Stock	Mfr. Part No. 7940102159 Mouser Part No 470-7940102159	Weidmuller	Circuit Breakers CB4201-10, 2.5A/TS35	Datasheet	14In Stock	$99.65 $85.25 $71.61 $65.07 $59.91	Min.: 1 Mult.: 1	CB4201		AC
Circuit Breakers 120/240V 50A 2P CIRCUIT BREAKER, LUGS HCBY2P50GG850 Hartland Controls / Littelfuse 1: $92.11 22In Stock	Mfr. Part No. HCBY2P50GG850 Mouser Part No 576-HCBY2P50GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 50A 2P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	22In Stock	$92.11 $76.39 $72.00 $62.51 View $61.92 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers		50 A	120 VAC, 240 VAC		2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers TMC 72D 08A 1020068 Phoenix Contact 1: $34.51 65In Stock	Mfr. Part No. 1020068 Mouser Part No 651-1020068	Phoenix Contact	Circuit Breakers TMC 72D 08A Learn More about Phoenix Contact control cabinets	Datasheet	65In Stock	$34.51	Min.: 1 Mult.: 1	TMC 7	Circuit Breakers	Thermal Magnetic	8 A	277 VAC	125 VDC	2 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers CB TM1 16A SFB P 2800845 Phoenix Contact 1: $48.71 204In Stock	Mfr. Part No. 2800845 Mouser Part No 651-2800845	Phoenix Contact	Circuit Breakers CB TM1 16A SFB P Learn More about Phoenix Contact phoenix_cb_pluggable	Datasheet	204In Stock	$48.71	Min.: 1 Mult.: 1	CB TM1	Circuit Breakers	Thermal Magnetic	16 A		50 VDC	1 Pole	Slide	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers TMC 83C 16A 2907620 Phoenix Contact 1: $64.70 26In Stock	Mfr. Part No. 2907620 Mouser Part No 651-2907620	Phoenix Contact	Circuit Breakers TMC 83C 16A Learn More about Phoenix Contact control cabinets	Datasheet	26In Stock	$64.70	Min.: 1 Mult.: 1	TMC 8	Circuit Breakers	Thermal Magnetic	16 A	240 VAC		3 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers CKTBKR,THERM,ROCK W51-A151A1-5 TE Connectivity 1: $4.78 708In Stock	Mfr. Part No. W51-A151A1-5 Mouser Part No 655-W51-A151A1-5	TE Connectivity	Circuit Breakers CKTBKR,THERM,ROCK	Datasheet	708In Stock	$4.78 $4.21 $4.09 $3.77 View $3.74 $3.26 $3.18	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	5 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Non-Illuminated
Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn W58-XC1A4A-16 TE Connectivity / P&B 1: $8.04 247In Stock	Mfr. Part No. W58-XC1A4A-16 Mouser Part No 655-W58-XC1A4A-16	TE Connectivity / P&B	Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn	Datasheet	247In Stock	$8.04 $7.18 $6.34 $6.08 View $5.84 $5.64 $5.53 $5.40 Quote	Min.: 1 Mult.: 1	W58	Thermal Circuit Breakers	Thermal Magnetic	16 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated	Tray
Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker W67-X2Q12-10 TE Connectivity / P&B 1: $69.01 94In Stock	Mfr. Part No. W67-X2Q12-10 Mouser Part No 655-W67-X2Q12-10	TE Connectivity / P&B	Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker	Datasheet	94In Stock	$69.01 $67.67 $65.98 $63.39 View $62.41 Quote	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	10 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated	Tray
Circuit Breakers CIRCUIT BREAKER SWITCH 3A WHITE W67-X2Q12-3 TE Connectivity / P&B 1: $78.77 89In Stock	Mfr. Part No. W67-X2Q12-3 Mouser Part No 655-W67-X2Q12-3	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 3A WHITE	Datasheet	89In Stock	$78.77 $71.12 $71.11 $65.98 $62.41	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	3 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 10A 1 POLE TOGGLE W67-X2Q52-10 TE Connectivity / P&B 1: $78.21 127In Stock	Mfr. Part No. W67-X2Q52-10 Mouser Part No 655-W67-X2Q52-10	TE Connectivity / P&B	Circuit Breakers 10A 1 POLE TOGGLE	Datasheet	127In Stock	$78.21 $70.59 $65.49 $61.95	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	10 A		65 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 1A WHITE W68-X2Q12-1 TE Connectivity / P&B 1: $413.41 68In Stock	Mfr. Part No. W68-X2Q12-1 Mouser Part No 655-W68-X2Q12-1	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 1A WHITE	Datasheet	68In Stock	$413.41 $254.44 $225.63 $181.80 Quote Quote	Min.: 1 Mult.: 1	W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	1 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1A 2 POLE 2 TOGGLE W92-X112-1 TE Connectivity / P&B 1: $183.21 70In Stock	Mfr. Part No. W92-X112-1 Mouser Part No 655-W92-X112-1	TE Connectivity / P&B	Circuit Breakers 1A 2 POLE 2 TOGGLE	Datasheet	70In Stock	$183.21 $151.83 $138.50	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	1 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MAN-START 575VAC IEC UNDERVOLTAGE TRIP GVAX385 Schneider Electric 1: $230.70 5In Stock	Mfr. Part No. GVAX385 Mouser Part No 996-GVAX385	Schneider Electric	Circuit Breakers MAN-START 575VAC IEC UNDERVOLTAGE TRIP	Datasheet	5In Stock	$230.70	Min.: 1 Mult.: 1	GV	Circuit Breakers			440 VAC, 380 VAC to 400 VAC						Non-Illuminated
Circuit Breakers Circuit Protector 15A NRAS1100-15A-AD IDEC 1: $32.16 4In Stock	Mfr. Part No. NRAS1100-15A-AD Mouser Part No 199-NRAS110015AAD	IDEC	Circuit Breakers Circuit Protector 15A	Datasheet	4In Stock	$32.16 $22.75 $20.74 $18.69 View $17.09 $16.93 $16.54 Quote	Min.: 1 Mult.: 1	NRA	Circuit Breakers	Magnetic	15 A	250 VAC	65 VDC	1 Pole	Lever	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Circuit Protector 7.5A NRBM2100-F-7.5A-AA IDEC 1: $98.60 1In Stock	Mfr. Part No. NRBM2100-F-7.5A-AA Mouser Part No 199-NRBM2100F75AAA	IDEC	Circuit Breakers Circuit Protector 7.5A	Datasheet	1In Stock	$98.60 $84.59 $79.85 $74.89 View $73.09 Quote	Min.: 1 Mult.: 1	NRB	Circuit Breakers		7.5 A	250 VAC	65 VDC	2 Pole	Lever	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Circuit Protector NRF210W-5A IDEC 1: $19.20 1In Stock	Mfr. Part No. NRF210W-5A Mouser Part No 199-NRF210W5A	IDEC	Circuit Breakers Circuit Protector	Datasheet	1In Stock	$19.20 $17.30 $15.86 $13.69 View $11.53 $10.81 $9.73 $9.37	Min.: 1 Mult.: 1	NRF	Circuit Breakers			250 VAC	32 VDC	1 Pole		- 10 C	+ 60 C
Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 35A 4230-T110-K0CE-35A E-T-A 1: $18.49 5In Stock	Mfr. Part No. 4230-T110-K0CE-35A Mouser Part No 457-4230T110K0CE35	E-T-A	Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 35A Learn More about E-T-A eta 4230 t mcb	Datasheet	5In Stock	$18.49 $16.19 $14.49 $13.57 View $12.51 $12.09 $11.62 $11.46 Quote	Min.: 1 Mult.: 1	4230-T	Miniature Circuit Breakers	Thermal Magnetic					Toggle
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-W19DG3-10A E-T-A 1: $44.26 13In Stock	Mfr. Part No. 3120-N521-P7T1-W19DG3-10A Mouser Part No 457-521P7T1W19DG310	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	13In Stock	$44.26 $37.72 $34.79 $33.78 View $30.23 $29.84 Quote	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 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-N551-P7T1-W12DY4-20A E-T-A 1: $41.69 10In Stock	Mfr. Part No. 3120-N551-P7T1-W12DY4-20A Mouser Part No 457-551P7T1W12DY420	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	10In Stock	$41.69 $34.58 $28.69 $25.34 $23.63	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	20 A	230 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
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-K3M2-A2H0-20A E-T-A 1: $86.88 1In Stock	Mfr. Part No. 8340-F110-K3M2-A2H0-20A Mouser Part No 457-834110K3M2A2H020	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	1In Stock	$86.88 $72.07 $67.76 $56.89 View $54.80 Quote	Min.: 1 Mult.: 1	8340-F	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic	20 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated