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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 Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 1410-L110-L1F1-S01-8A E-T-A 1: $15.34 48In Stock 50Expected 2026/11/27	Mfr. Part No. 1410-L110-L1F1-S01-8A Mouser Part No 457-410L110L1F1S018A	E-T-A	Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret	Datasheet	48In Stock 50Expected 2026/11/27	$15.34 $12.73 $11.76 $9.73 View $8.97 $8.96	Min.: 1 Mult.: 1	1410-L1	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 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 pr 3120-N521-P7T1-W19DG4-8A E-T-A 1: $46.90 18In Stock	Mfr. Part No. 3120-N521-P7T1-W19DG4-8A Mouser Part No 457-521P7T1W19DG	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	18In Stock	$46.90 $41.11 $39.73 $32.58 View $32.18 Quote	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 508, 1P, DM, 24VDC, 1CH, 8A, No Comm REX12-TA1-107-DC24V-8A E-T-A 1: $60.29 1In Stock	Mfr. Part No. REX12-TA1-107-DC24V-8A Mouser Part No 457-T1107DC24V8	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 8A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	1In Stock	$60.29 $50.01 $43.11 $37.01 $35.86	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	8 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 8A B CURVE FAZ-B8/1-SP Eaton Electrical 1: $199.29 4In Stock 3Expected 2026/10/05	Mfr. Part No. FAZ-B8/1-SP Mouser Part No 504-FAZ-B8/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 8A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	4In Stock 3Expected 2026/10/05	$199.29 $165.26 $153.99 $126.83 View $117.77 Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	8 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 8A C CURVE FAZ-C8/1-SP Eaton Electrical 1: $199.29 6In Stock	Mfr. Part No. FAZ-C8/1-SP Mouser Part No 504-FAZ-C8/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 8A C CURVE	Datasheet	6In Stock	$199.29 $165.26 $153.99 $126.83 View $117.77 Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	8 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 2P 8A C CURVE FAZ-C8/2-NA-L Eaton Electrical 1: $210.47 5In Stock	Mfr. Part No. FAZ-C8/2-NA-L Mouser Part No 504-FAZ-C8/2-NA-L	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 2P 8A C CURVE	Datasheet	5In Stock	$210.47 $174.01 $160.20 $133.13	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers MoQ=4 508, 1P, DM, 24VDC, 1CH, 8A, With Comm REX12D-TA1-100-DC24V-8A E-T-A 1: $98.12 4In Stock	Mfr. Part No. REX12D-TA1-100-DC24V-8A Mouser Part No 618-REX12DTA1100248A	E-T-A	Circuit Breakers MoQ=4 508, 1P, DM, 24VDC, 1CH, 8A, With Comm	Datasheet	4In Stock	$98.12 $65.00 $57.62 $55.27 $53.46	Min.: 1 Mult.: 1	REX12D	Circuit Breakers	Electronic	8 A		24 VDC	1 Pole	Pushbutton	- 25 C	+ 60 C	Illuminated
Circuit Breakers PTCB E1 24DC/8A SI-R 1135734 Phoenix Contact 1: $31.94 6In Stock	Mfr. Part No. 1135734 Mouser Part No 651-1135734	Phoenix Contact	Circuit Breakers PTCB E1 24DC/8A SI-R Learn More about Phoenix Contact ptcb circuit breakers	Datasheet	6In Stock	$31.94	Min.: 1 Mult.: 1		Circuit Breakers	Electronic	8 A		24 VDC	1 Pole	Lever	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers CB TM1 8A SFB P 2800842 Phoenix Contact 1: $48.72 12In Stock 13Expected 2026/12/02	Mfr. Part No. 2800842 Mouser Part No 651-2800842	Phoenix Contact	Circuit Breakers CB TM1 8A SFB P Learn More about Phoenix Contact phoenix_cb_pluggable	Datasheet	12In Stock 13Expected 2026/12/02	$48.72	Min.: 1 Mult.: 1	CB TM1	Circuit Breakers	Thermal Magnetic	8 A		50 VDC	1 Pole	Slide	- 30 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers MCB ST200M 1P K 8A UL1077 ST201M-K8 ABB 1: $48.42 10In Stock	Mfr. Part No. ST201M-K8 Mouser Part No 894-ST201M-K8	ABB	Circuit Breakers MCB ST200M 1P K 8A UL1077 Learn More about ABB st200m mini circuit breakers	Datasheet	10In Stock	$48.42 $42.66 $39.59 $35.87 View $34.30 $32.37 Quote	Min.: 1 Mult.: 1	ST200M	Circuit Breakers		8 A			1 Pole
Circuit Breakers UL489 MCB 1P C 8A 480/277 SU201M-C8 ABB 1: $63.09 28In Stock	Mfr. Part No. SU201M-C8 Mouser Part No 894-SU201M-C8	ABB	Circuit Breakers UL489 MCB 1P C 8A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	28In Stock	$63.09 $52.34 $48.28 $39.62 View $37.51 $35.61 Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		8 A			1 Pole
Circuit Breakers UL489 MCB 3P K 8A 480/277 SU203M-K8 ABB 1: $217.76 5In Stock	Mfr. Part No. SU203M-K8 Mouser Part No 894-SU203M-K8	ABB	Circuit Breakers UL489 MCB 3P K 8A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	5In Stock	$217.76 $180.57 $153.16 $135.07 View $128.85 Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		8 A			3 Pole
Circuit Breakers MSP S00 5.5-8A AUX 1NO 1NC SCREW 3RV20111HA15 Siemens 1: $309.02 4In Stock	Mfr. Part No. 3RV20111HA15 Mouser Part No 982-3RV20111HA15	Siemens	Circuit Breakers MSP S00 5.5-8A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$309.02 $278.54 $251.66 $239.54 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	8 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 8A SAME PH 14K C-TRIP 5SJ41087HG40 Siemens 1: $77.91 9In Stock	Mfr. Part No. 5SJ41087HG40 Mouser Part No 982-5SJ41087HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 8A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	9In Stock	$77.91 $67.44 $57.51 $49.69 View $46.46 $45.26 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	8 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 8A 14K C-TRIP 5SJ41087HG41 Siemens 1: $84.40 4In Stock	Mfr. Part No. 5SJ41087HG41 Mouser Part No 982-5SJ41087HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 8A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	4In Stock	$84.40 $71.73 $66.30 $54.36 $50.52	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	8 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 8A 10K C-TRIP 5SJ41087HG42 Siemens 1: $84.40 5In Stock	Mfr. Part No. 5SJ41087HG42 Mouser Part No 982-5SJ41087HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 8A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	$84.40 $71.62 $62.91 $54.36 $50.52	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	8 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K D-TRIP 5SJ42088HG42 Siemens 1: $177.60 1In Stock	Mfr. Part No. 5SJ42088HG42 Mouser Part No 982-5SJ42088HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	$177.60 $144.69 $134.56 $115.39 Quote 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 SUP PTOR 5SY4 1P 240V 8A 7.5K C-TRIP 5SY41087 Siemens 1: $71.72 10In Stock	Mfr. Part No. 5SY41087 Mouser Part No 982-5SY41087	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 8A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	10In Stock	$71.72 $63.63 $58.03 $46.71 View $43.83 $41.51	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 2P 480V 8A 5K C-TRIP 5SY42087 Siemens 1: $134.31 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	$134.31 $115.68 $98.01 $90.87 View $88.06 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 MCB UL489 C 2P 8A LUG T GMB632PC8 Carlo Gavazzi 1: $68.42 2In Stock	Mfr. Part No. GMB632PC8 Mouser Part No 225-GMB632PC8	Carlo Gavazzi	Circuit Breakers MCB UL489 C 2P 8A LUG T	Datasheet	2In Stock	$68.42 $68.41 Quote Quote	Min.: 1 Mult.: 1	GMB63	Circuit Breakers	Miniature	8 A	240 VAC	60 VDC, 125 VDC	2 Pole	Lever	- 25 C	+ 55 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-G21-02-P10-8A 1658-G21-02-P10-8A E-T-A 1: $7.21 96In Stock	Mfr. Part No. 1658-G21-02-P10-8A Mouser Part No 457-1658G2102P108A	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	96In Stock	$7.21 $5.98 $5.52 $4.58 View $4.23 $3.78 $3.47 $3.21	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 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-G21-02-P13-8A 1658-G21-02-P13-8A E-T-A 1: $6.04 58In Stock	Mfr. Part No. 1658-G21-02-P13-8A Mouser Part No 457-1658G2102P138A	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	58In Stock	$6.04 $5.57 $4.63 $4.26 View $3.83 $3.54	Min.: 1 Mult.: 1	1658	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CB4201-10, 8A/TS35 7940102172 Weidmuller 1: $93.25 6In Stock	Mfr. Part No. 7940102172 Mouser Part No 470-7940102172	Weidmuller	Circuit Breakers CB4201-10, 8A/TS35		6In Stock	$93.25 $79.64 $74.28 $64.37	Min.: 1 Mult.: 1			AC	8 A
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 8A FAZ-C8/1-NA-L-SP Eaton Electrical 1: $70.59 5In Stock	Mfr. Part No. FAZ-C8/1-NA-L-SP Mouser Part No 504-FAZ-C8/1-NA-L-SP	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 8A	Datasheet	5In Stock	$70.59 $62.94	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	8 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA 1P 8A D CURVE FAZ-D8/1-NA-SP Eaton Electrical 1: $170.45 4In Stock	Mfr. Part No. FAZ-D8/1-NA-SP Mouser Part No 504-FAZ-D8/1-NA-SP	Eaton Electrical	Circuit Breakers FAZ-NA 1P 8A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	4In Stock	$170.45 $151.70	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	8 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated