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8 A Circuit Breakers

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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 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-W01D-8A E-T-A 1: $48.43 413In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-8A Mouser Part No 457-521H7T1W01D8	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	413In Stock	$48.43 $40.17 $32.65 $29.66 View $24.77 $23.74 $23.70 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-8A E-T-A 1: $18.61 348In Stock	Mfr. Part No. 1170-21-8A Mouser Part No 457-1170-21-8A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	348In Stock	$18.61 $15.45 $14.25 $11.80 View $10.88 $9.76 $8.99 $8.60	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	8 A		28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker W51-A122B1-8 TE Connectivity / P&B 1: $6.78 676In Stock	Mfr. Part No. W51-A122B1-8 Mouser Part No 655-W51-A122B1-8	TE Connectivity / P&B	Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker	Datasheet	676In Stock	$6.78 $5.83 $4.73 $4.22 View $3.91 $3.78 $3.72 $3.65	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	8 A	250 VAC	50 VDC	1 Pole	Rocker	0 C	+ 50 C	Illuminated	Tray
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 sui 3120-N524-P7T1-W01X-8A E-T-A 1: $42.98 6In Stock	Mfr. Part No. 3120-N524-P7T1-W01X-8A Mouser Part No 457-524P7T1W01X8	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 sui Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	6In Stock	$42.98 $37.15 $31.57 $29.56 View $23.77 $22.76 $22.69 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 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-N311-P7T1-W15FY3-8A E-T-A 1: $37.58 10In Stock	Mfr. Part No. 3120-N311-P7T1-W15FY3-8A Mouser Part No 457-311P7T1W15FY38A	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	$37.58 $31.18 $26.53 $24.66 View $21.78 $21.38 $21.08 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	115 VAC	50 VDC	1 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers MCB ST200M 3P K 8A UL1077 ST203M-K8 ABB 1: $191.97 5In Stock New At Mouser	Mfr. Part No. ST203M-K8 Mouser Part No 894-ST203M-K8 New At Mouser	ABB	Circuit Breakers MCB ST200M 3P K 8A UL1077 Learn More about ABB st200m mini circuit breakers	Datasheet	5In Stock	$191.97 $159.19 $139.40 $127.44 View Quote	Min.: 1 Mult.: 1	ST200M	Circuit Breakers		8 A			3 Pole
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-8A E-T-A 1: $20.50 45In Stock	Mfr. Part No. 1170-22-8A Mouser Part No 457-1170-22-8A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	45In Stock	$20.50 $18.47 $16.93 $13.17 View $11.68 $10.89	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	8 A		28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
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-W19DG4-8A E-T-A 1: $53.49 20In Stock	Mfr. Part No. 3120-N324-P7T1-W19DG4-8A Mouser Part No 457-324P7T1W19DG48A	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	20In Stock	$53.49 $44.37 $41.47 $35.23 View $32.09 $31.13	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	230 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-N523-P7T1-W12XY4-8A E-T-A 1: $51.01 3In Stock	Mfr. Part No. 3120-N523-P7T1-W12XY4-8A Mouser Part No 457-523P7T1W12XY48	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	3In Stock	$51.01 $37.72 $36.25 $33.65 View $30.65 $29.69	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 8A ATEX ESX10-103-DC24V-8A-E E-T-A 1: $111.95 1In Stock	Mfr. Part No. ESX10-103-DC24V-8A-E Mouser Part No 457-ESX10103DC24V8AE	E-T-A	Circuit Breakers 508, 1P, PL, 24VDC, N/O, RF, SF, 8A ATEX	Datasheet	1In Stock	$111.95 $93.99 $89.53 $83.48 View $81.06 Quote	Min.: 1 Mult.: 1	ESX10-E	Circuit Breakers	Electronic	8 A		24 VDC		Slide	0 C	+ 50 C	Non-Illuminated
Circuit Breakers MCB ST200M 1P C 8A UL1077 ST201M-C8 ABB 1: $56.91 4In Stock New At Mouser	Mfr. Part No. ST201M-C8 Mouser Part No 894-ST201M-C8 New At Mouser	ABB	Circuit Breakers MCB ST200M 1P C 8A UL1077 Learn More about ABB st200m mini circuit breakers	Datasheet	4In Stock	$56.91 $43.60 $40.46 $36.69 View $35.07 $33.50 Quote	Min.: 1 Mult.: 1	ST200M	Circuit Breakers		8 A			1 Pole
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-W01Q-8A E-T-A 1: $29.36 8In Stock	Mfr. Part No. 3130-F110-P7T1-W01Q-8A Mouser Part No 457-30F110P7T1W01Q8A	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	8In Stock	$29.36 $24.36 $20.66 $19.03 View $18.19 $17.48 $16.88 Quote	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	8 A	240 VAC	50 VDC	1 Pole	Rocker	- 30 C	+ 60 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-F120-P7T1-W02Q-8A E-T-A 1: $58.38 9In Stock	Mfr. Part No. 3130-F120-P7T1-W02Q-8A Mouser Part No 457-30F120P7T1W02Q8A	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	$58.38 $48.43 $41.32 $38.34 View $37.20 $35.70 Quote	Min.: 1 Mult.: 1	3130-F		Thermal Overcurrent	8 A	415 VAC	50 VDC	2 Pole	Rocker	- 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-SI-8A E-T-A 1: $90.07 5In Stock	Mfr. Part No. 3400-IG8-P10-SI-8A Mouser Part No 457-3400IG8P10SI8A	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	5In Stock	$90.07 $67.94 $63.62 $56.73 View $54.51 Quote	Min.: 1 Mult.: 1	3400	Thermal Circuit Breakers	Thermal Magnetic	8 A	240 VAC	65 VDC	1 Pole	Push to Reset	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers LOCC-BOX-M-I DC12/24VDC, 1-8A, 5 CHARAC. 716481 LUTZE / Amphenol 1: $103.72 1In Stock New At Mouser	Mfr. Part No. 716481 Mouser Part No 844-716481 New At Mouser	LUTZE / Amphenol	Circuit Breakers LOCC-BOX-M-I DC12/24VDC, 1-8A, 5 CHARAC. Learn More about LUTZE / Amphenol amphenol lutze control	Datasheet	1In Stock	$103.72 $87.56 $82.96 $69.14 $64.52	Min.: 1 Mult.: 1	LOCC-BOX	Circuit Breakers	DC Breaker	8 A		12 VDC, 24 VDC			- 25 C	+ 50 C	Illuminated
Circuit Breakers MCB ST200M 2P C 8A UL1077 ST202M-C8 ABB 1: $128.58 17In Stock 33On Order New At Mouser	Mfr. Part No. ST202M-C8 Mouser Part No 894-ST202M-C8 New At Mouser	ABB	Circuit Breakers MCB ST200M 2P C 8A UL1077 Learn More about ABB st200m mini circuit breakers	Datasheet	17In Stock 33On Order On Order Ship Dates Mfr. No: ST202M-C8 Stock: 17 Can Dispatch Immediately On Order: 20 Expected 07/01/2027 13 Expected 04/02/2027 Factory Lead Time: 11 Weeks	$128.58 $100.21 $92.30 $84.02 View $80.61 Quote	Min.: 1 Mult.: 1	ST200M	Circuit Breakers		8 A			2 Pole
Circuit Breakers SUP PTOR 5SY4 2P 480V 8A 5K C-TRIP 5SY42087 Siemens 1: $143.65 5In Stock	Mfr. Part No. 5SY42087 Mouser Part No 982-5SY42087	Siemens	Circuit Breakers SUP PTOR 5SY4 2P 480V 8A 5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$143.65 $122.15 $116.02 $107.44 View $104.48 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	400 VAC	60 VDC	2 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag CELK1-1-52-8.00-AV-01-V AIRPAX 1: $68.35 3In Stock	Mfr. Part No. CELK1-1-52-8.00-AV-01-V Mouser Part No 874-CELK11528AV1V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata cel circuit breakers	Datasheet	3In Stock	$68.35 $59.70 $41.48 $36.45 View $30.18 $27.68 Quote	Min.: 1 Mult.: 1	CEL	Circuit Breakers	Hydraulic Magnetic	8 A			1 Pole	Handle			Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K C-TRIP 5SJ42087HG42 Siemens 1: $162.89 1In Stock	Mfr. Part No. 5SJ42087HG42 Mouser Part No 982-5SJ42087HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	$162.89 $147.00 $141.00 $130.79 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 104-P30-8A E-T-A 1: $22.69 48In Stock	Mfr. Part No. 104-P30-8A Mouser Part No 457-104-P30-8A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see	Datasheet	48In Stock	$22.69 $20.65 $18.93 $14.73 View $13.07 $12.18	Min.: 1 Mult.: 1	104	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 127-P10-H-KF-8A E-T-A 1: $49.90 5In Stock	Mfr. Part No. 127-P10-H-KF-8A Mouser Part No 457-127-P10-H-KF-8A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m	Datasheet	5In Stock	$49.90 $41.39 $38.18 $33.04 View $29.14 $27.57 Quote	Min.: 1 Mult.: 1	127	Thermal Circuit Breakers	Overcurrent Protection	8 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 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-000000-000-8A E-T-A 1: $29.41 1In 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	1In 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 MCB S200MUC 2P K 8A AC/DC S202MUC-K8 ABB 1: $250.08 1In Stock New At Mouser	Mfr. Part No. S202MUC-K8 Mouser Part No 894-S202MUC-K8 New At Mouser	ABB	Circuit Breakers MCB S200MUC 2P K 8A AC/DC	Datasheet	1In Stock	$250.08 $199.52 $190.39 $174.52 View Quote	Min.: 1 Mult.: 1		Circuit Breakers		8 A			2 Pole
Circuit Breakers 8345-C11A-U3M1-DB1B2B-8A E-T-A 1: $143.01 11In Stock	Mfr. Part No. 8345-C11A-U3M1-DB1B2B-8A Mouser Part No 457-8345C11AU3M1DB1B	E-T-A	Circuit Breakers	Datasheet	11In Stock	$143.01 $118.58 $110.50 $91.00 View $84.53 Quote	Min.: 1 Mult.: 1	8345	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	8 A	240 VAC, 415 VAC	80 VDC	1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri 1610-H2-8A E-T-A 1: $10.79 222In Stock	Mfr. Part No. 1610-H2-8A Mouser Part No 457-1610-H2-8A	E-T-A	Circuit Breakers Miniaturised single pole press-to-reset cycling trip free thermal circuit breaker designed for automotive fuse block installation. Extends the benefits of circuit breaker performance and convenience to applications which are cost cri	Datasheet	222In Stock	$10.79 $7.76 $7.19 $6.43 View $5.92 $5.47 $5.22 $4.80	Min.: 1 Mult.: 1	1610	Miniature Circuit Breakers	Automotive	8 A		24 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated