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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 508, 1P, DM, 48VDC, N/O, 10A ESX10-TC-101-DC48V-10A E-T-A 1: $113.81 13In Stock 175On Order	Mfr. Part No. ESX10-TC-101-DC48V-10A Mouser Part No 457-X10TC101DC48V10A	E-T-A	Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A	Datasheet	13In Stock 175On Order On Order Ship Dates Mfr. No: ESX10-TC-101-DC48V-10A Stock: 13 Can Dispatch Immediately On Order: 90 Expected 12/10/2026 85 Expected 21/12/2026 Factory Lead Time: 12 Weeks	$113.81 $113.05 $89.68 $88.13 View Quote	Min.: 1 Mult.: 1	ESX10-TC	Circuit Breakers	Electronic	10 A		48 VDC	1 Pole	Slide	- 25 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr Hyd Mag 219-3-8303-11 AIRPAX 1: $342.16 4In Stock	Mfr. Part No. 219-3-8303-11 Mouser Part No 874-2193830311	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata 209 219 229 249 279 circuit breakers	Datasheet	4In Stock	$342.16 $300.59 $300.43 $299.23 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Manual Motor Controller	100 A	120 VAC, 240 VAC		3 Pole	Handle			Non-Illuminated
Circuit Breakers MCB S800S 2P C 20A S802S-C20 ABB 1: $578.71 3In Stock New At Mouser	Mfr. Part No. S802S-C20 Mouser Part No 894-S802S-C20 New At Mouser	ABB	Circuit Breakers MCB S800S 2P C 20A	Datasheet	3In Stock	$578.71 $514.19 $490.10 View Quote	Min.: 1 Mult.: 1		Circuit Breakers		20 A			2 Pole
Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2 C10H32D100 Schneider Electric 1: $2,064.00 1In Stock New At Mouser	Mfr. Part No. C10H32D100 Mouser Part No 996-C10H32D100 New At Mouser	Schneider Electric	Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2	Datasheet	1In Stock	$2,064.00	Min.: 1 Mult.: 1	C10
Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A HGF36090 Square D 1: $1,701.00 1In Stock New At Mouser	Mfr. Part No. HGF36090 Mouser Part No 996-HGF36090 New At Mouser	Square D	Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A	Datasheet	1In Stock	$1,701.00	Min.: 1 Mult.: 1	HGF
Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en 8340-G231-K4E1-A4H0-50A E-T-A 1: $275.63 19In Stock	Mfr. Part No. 8340-G231-K4E1-A4H0-50A Mouser Part No 457-231K4E14H050	E-T-A	Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en	Datasheet	19In Stock	$275.63 $228.45 $210.58 $189.32	Min.: 1 Mult.: 1	8340-G	Hydraulic Magnetic Circuit Breakers	Thermal Magnetic		240 VAC, 415 VAC	80 VDC	3 Pole	Toggle	- 40 C	+ 85 C
Circuit Breakers MCSW 3VA53 3P 400A 65KA 3VA53400BB310AA0 Siemens 1: $2,983.45 1In Stock	Mfr. Part No. 3VA53400BB310AA0 Mouser Part No 982-3VA53400BB310AA0	Siemens	Circuit Breakers MCSW 3VA53 3P 400A 65KA Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	$2,983.45	Min.: 1 Mult.: 1	3VA	Thermal Magnetic Circuit Breakers	System Protection	400 A	690 VAC	500 VDC	3 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL 3VA62256HL360AA0 Siemens 1: $3,837.89 1In Stock	Mfr. Part No. 3VA62256HL360AA0 Mouser Part No 982-3VA62256HL360AA0	Siemens	Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	$3,837.89	Min.: 1 Mult.: 1	3VA	Electronic Circuit Breakers	System Protection	250 A	690 VAC		3 Pole	Paddle	- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR ED4 2P 480V 20A ED42B020 Siemens 1: $1,755.83 1In Stock	Mfr. Part No. ED42B020 Mouser Part No 982-ED42B020	Siemens	Circuit Breakers BRKR ED4 2P 480V 20A	Datasheet	1In Stock	$1,755.83	Min.: 1 Mult.: 1		Circuit Breakers	Low Voltage	20 A	480 VAC		2 Pole	Handle			Non-Illuminated
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 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 1658-F01-00-P10-20A E-T-A 1: $7.28 1,909In Stock	Mfr. Part No. 1658-F01-00-P10-20A Mouser Part No 457-1658F0100P1020A	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	1,909In Stock	$7.28 $6.93 $4.46 $3.72 View $3.29 $3.26	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 10A RCKR ACT NON-ILL W51-A152A1-10 TE Connectivity / P&B 1: $5.87 961In Stock	Mfr. Part No. W51-A152A1-10 Mouser Part No 655-W51-A152A1-10	TE Connectivity / P&B	Circuit Breakers 10A RCKR ACT NON-ILL	Datasheet	961In Stock	$5.87 $5.05 $4.96 $4.54 View $4.10 $3.85 $3.57 $3.48	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	10 A	250 VAC	50 VDC	1 Pole	Rocker	0 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK W91-X112-30 TE Connectivity / P&B 1: $97.93 155In Stock	Mfr. Part No. W91-X112-30 Mouser Part No 655-W91-X112-30	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK	Datasheet	155In Stock	$97.93 $88.79 $88.78 $82.66 $78.41	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	30 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 50A 2 POLE 2 TOGGLE W92-X112-50 TE Connectivity / P&B 1: $154.96 71In Stock	Mfr. Part No. W92-X112-50 Mouser Part No 655-W92-X112-50	TE Connectivity / P&B	Circuit Breakers 50A 2 POLE 2 TOGGLE	Datasheet	71In Stock	$154.96 $146.82 $146.81 $137.76 View Quote	Min.: 1 Mult.: 1	W9	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	50 A	277 VAC		2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor 2-6500-P10-2A E-T-A 1: $39.96 92In Stock	Mfr. Part No. 2-6500-P10-2A Mouser Part No 457-26500P102A	E-T-A	Circuit Breakers Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor	Datasheet	92In Stock	$39.96 $33.16 $30.58 $25.33 View $23.33 $20.92 $19.91	Min.: 1 Mult.: 1	2-6500	Circuit Breakers	Overcurrent Protection	2 A	250 VAC	28 VDC	1 Pole		- 10 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-K14-LN2-100A E-T-A 1: $337.90 13In Stock	Mfr. Part No. 452-K14-LN2-100A Mouser Part No 457-452-K14-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	13In Stock	$337.90 $280.72 $209.88 $173.35	Min.: 1 Mult.: 1	452	Circuit Breakers	Thermal Magnetic	100 A		28 VDC	1 Pole	Pushbutton	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers 0.75A PUSH TO RESET W28-XQ1A-0.75 TE Connectivity / P&B 1: $8.13 523In Stock	Mfr. Part No. W28-XQ1A-0.75 Mouser Part No 655-W28-XQ1A-0.75	TE Connectivity / P&B	Circuit Breakers 0.75A PUSH TO RESET	Datasheet	523In Stock	$8.13 $7.03 $6.69 $6.11 View $5.97 $5.45 $5.23	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	750 mA	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK W28-XQ1A-13 TE Connectivity / P&B 1: $4.69 535In Stock	Mfr. Part No. W28-XQ1A-13 Mouser Part No 655-W28-XQ1A-13	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 13A BLK	Datasheet	535In Stock	$4.69 $4.18 $4.01 $3.78 View $3.35 $3.21 $2.94 $2.89 $2.87	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	13 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 3A PUSH TO RESET W58-XB1A4A-3 TE Connectivity / P&B 1: $11.88 1,417In Stock	Mfr. Part No. W58-XB1A4A-3 Mouser Part No 655-W58-XB1A4A-3	TE Connectivity / P&B	Circuit Breakers 3A PUSH TO RESET	Datasheet	1,417In Stock	$11.88 $9.41 $8.15 $6.96 View $6.70 $6.65 $6.12	Min.: 1 Mult.: 1	W58	Thermal Circuit Breakers	Thermal Magnetic	3 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn W58-XC1A4A-16 TE Connectivity / P&B 1: $9.13 252In 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	252In Stock	$9.13 $8.13 $6.88 $6.18 View $5.94 $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: $71.12 95In 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	95In Stock	$71.12 $65.99 $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 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-A21-02-P10-10A 1658-A21-02-P10-10A E-T-A 1: $7.28 572In Stock	Mfr. Part No. 1658-A21-02-P10-10A Mouser Part No 457-1658A2102P1010A	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	572In Stock	$7.28 $6.93 $6.68 $5.03 View $3.88 $3.77 $3.46 $3.40	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q 1423695-7 TE Connectivity / P&B 1: $7.32 416In Stock	Mfr. Part No. 1423695-7 Mouser Part No 655-1423695-7	TE Connectivity / P&B	Circuit Breakers W58-XA6A4A-3=CKTBKR THERM PB Q	Datasheet	416In Stock	$7.32 $6.52 $6.30 $5.31 View $4.73 $4.50 $4.29 $3.86 $3.83	Min.: 1 Mult.: 1	W58	Thermal Circuit Breakers	Thermal Magnetic	3 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 5A ROCKR ACT RED ILL W51-A121B1-5 TE Connectivity / P&B 1: $6.43 1,792In Stock	Mfr. Part No. W51-A121B1-5 Mouser Part No 655-W51-A121B1-5	TE Connectivity / P&B	Circuit Breakers 5A ROCKR ACT RED ILL	Datasheet	1,792In Stock	$6.43 $5.70 $4.73 $4.22 View $3.91 $3.78 $3.72 $3.65	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	5 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Illuminated
Circuit Breakers 25A PUSH TO RESET ST W58-XC4C12A-25 TE Connectivity / P&B 1: $9.03 569In Stock	Mfr. Part No. W58-XC4C12A-25 Mouser Part No 655-W58-XC4C12A-25	TE Connectivity / P&B	Circuit Breakers 25A PUSH TO RESET ST	Datasheet	569In Stock	$9.03 $8.91 $7.40 $6.65 View $6.23 $5.97 $5.60 Quote	Min.: 1 Mult.: 1	W58	Thermal Circuit Breakers	Thermal Magnetic	25 A	250 VAC	50 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated