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Miniature 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
Circuit Breakers FAZ-NA 1P 3A D CURVE FAZ-D3/1-NA-SP Eaton Electrical 1: $175.64 3In Stock	Mfr. Part No. FAZ-D3/1-NA-SP Mouser Part No 504-FAZ-D3/1-NA-SP	Eaton Electrical	Circuit Breakers FAZ-NA 1P 3A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	$175.64 $150.02	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	3 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 2P 3A D CURVE FAZ-D3/2-NA Eaton Electrical 1: $521.76 3In Stock	Mfr. Part No. FAZ-D3/2-NA Mouser Part No 504-FAZ-D3/2-NA	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 2P 3A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	$521.76 $432.23 $398.34 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	3 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ 2P 3A D CURVE ring term FAZ-D3/2-RT Eaton Electrical 1: $575.93 3In Stock	Mfr. Part No. FAZ-D3/2-RT Mouser Part No 504-FAZ-D3/2-RT	Eaton Electrical	Circuit Breakers FAZ 2P 3A D CURVE ring term	Datasheet	3In Stock	$575.93 $422.94 $393.11 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	3 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 3P 30A D CURVE FAZ-D30/3 Eaton Electrical 1: $152.35 5In Stock	Mfr. Part No. FAZ-D30/3 Mouser Part No 504-FAZ-D30/3	Eaton Electrical	Circuit Breakers FAZ UL 1077 3P 30A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	5In Stock	$152.35 $126.32 $116.47 $96.29 $88.63	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	30 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA 1P 4A D CURVE FAZ-D4/1-NA-SP Eaton Electrical 1: $175.64 4In Stock	Mfr. Part No. FAZ-D4/1-NA-SP Mouser Part No 504-FAZ-D4/1-NA-SP	Eaton Electrical	Circuit Breakers FAZ-NA 1P 4A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	4In Stock	$175.64 $150.02	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	4 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 4A D CURVE FAZ-D4/1-SP Eaton Electrical 1: $52.52 6In Stock	Mfr. Part No. FAZ-D4/1-SP Mouser Part No 504-FAZ-D4/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 4A D CURVE	Datasheet	6In Stock	$52.52 $43.57 $40.19 $33.27 View $30.65 $27.47	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	4 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 2P 4A D CURVE FAZ-D4/2-NA Eaton Electrical 1: $521.76 3In Stock	Mfr. Part No. FAZ-D4/2-NA Mouser Part No 504-FAZ-D4/2-NA	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 2P 4A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	$521.76 $432.23 $366.85 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	4 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 2P 4A D CURVE FAZ-D4/2-NA-L Eaton Electrical 1: $210.43 1In Stock 2Expected 10/11/2026	Mfr. Part No. FAZ-D4/2-NA-L Mouser Part No 504-FAZ-D4/2-NA-L	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 2P 4A D CURVE	Datasheet	1In Stock 2Expected 10/11/2026	$210.43 $173.98 $160.18 $132.96 Quote Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 40A D CURVE FAZ-D40/1-SP Eaton Electrical 1: $222.83 3In Stock	Mfr. Part No. FAZ-D40/1-SP Mouser Part No 504-FAZ-D40/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 40A D CURVE	Datasheet	3In Stock	$222.83 $184.69 $170.25 $140.67 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	40 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 2P 40A D CURVE FAZ-D40/2 Eaton Electrical 1: $99.89 4In Stock	Mfr. Part No. FAZ-D40/2 Mouser Part No 504-FAZ-D40/2	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 40A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	4In Stock	$99.89 $82.85 $76.41 $63.21 $58.20	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	40 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 2P 5A D CURVE FAZ-D5/2 Eaton Electrical 1: $431.89 4In Stock	Mfr. Part No. FAZ-D5/2 Mouser Part No 504-FAZ-D5/2	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 5A D CURVE	Datasheet	4In Stock	$431.89 $357.78 $329.79 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	5 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 6A FAZ-D6/1-NA-L-SP Eaton Electrical 1: $70.58 1In Stock	Mfr. Part No. FAZ-D6/1-NA-L-SP Mouser Part No 504-FAZ-D6/1-NA-L-SP	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 6A	Datasheet	1In Stock	$70.58 $59.04	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	6 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 6A D CURVE FAZ-D6/1-SP Eaton Electrical 1: $52.52 18In Stock	Mfr. Part No. FAZ-D6/1-SP Mouser Part No 504-FAZ-D6/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 6A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	18In Stock	$52.52 $43.57 $40.19 $33.27 View $30.65 $27.47	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	6 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 7A D CURVE FAZ-D7/1-SP Eaton Electrical 1: $199.26 5In Stock	Mfr. Part No. FAZ-D7/1-SP Mouser Part No 504-FAZ-D7/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 7A D CURVE	Datasheet	5In Stock	$199.26 $165.23 $153.97 $138.11 View $109.71 Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	7 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 2P 8A D CURVE FAZ-D8/2-NA-L Eaton Electrical 1: $131.92 4In Stock	Mfr. Part No. FAZ-D8/2-NA-L Mouser Part No 504-FAZ-D8/2-NA-L	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 2P 8A D CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	4In Stock	$131.92 $124.86	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 1A SAME PH 14K C-TRIP 5SJ41017HG40 Siemens 1: $78.77 5In Stock	Mfr. Part No. 5SJ41017HG40 Mouser Part No 982-5SJ41017HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 1A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	$78.77 $66.10 $60.96 $50.44 $46.45	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	1 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 1A 14K C-TRIP 5SJ41017HG41 Siemens 1: $86.65 6In Stock	Mfr. Part No. 5SJ41017HG41 Mouser Part No 982-5SJ41017HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 1A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	6In Stock	$86.65 $71.88 $66.29 $54.85 $50.51	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	1 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 1A 10K D-TRIP 5SJ41018HG42 Siemens 1: $86.65 1In Stock	Mfr. Part No. 5SJ41018HG42 Mouser Part No 982-5SJ41018HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 1A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	$86.65 $71.88 $66.29 $54.85 $50.51	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP 5SJ41027HG40 Siemens 1: $78.77 11In Stock	Mfr. Part No. 5SJ41027HG40 Mouser Part No 982-5SJ41027HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	11In Stock	$78.77 $66.10 $58.32 $50.44 $46.45	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 2A 14K C-TRIP 5SJ41027HG41 Siemens 1: $74.98 11In Stock	Mfr. Part No. 5SJ41027HG41 Mouser Part No 982-5SJ41027HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 2A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	11In Stock	$74.98 $65.51 $61.76 $53.45 $50.51	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 2A 10K C-TRIP 5SJ41027HG42 Siemens 1: $86.66 15In Stock	Mfr. Part No. 5SJ41027HG42 Mouser Part No 982-5SJ41027HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 2A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	15In Stock	$86.66 $71.88 $71.25 $54.85 $50.51	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 2A 10K D-TRIP 5SJ41028HG42 Siemens 1: $86.70 3In Stock	Mfr. Part No. 5SJ41028HG42 Mouser Part No 982-5SJ41028HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 2A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	3In Stock	$86.70 $69.60 $65.03 $54.85 $50.51	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K C-TRIP 5SJ41037HG40 Siemens 1: $78.77 15In Stock	Mfr. Part No. 5SJ41037HG40 Mouser Part No 982-5SJ41037HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	15In Stock	$78.77 $66.10 $60.96 $50.44 $46.45	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 3A 14K C-TRIP 5SJ41037HG41 Siemens 1: $86.65 5In Stock	Mfr. Part No. 5SJ41037HG41 Mouser Part No 982-5SJ41037HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 3A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	$86.65 $71.88 $66.29 $54.85 $50.51	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K D-TRIP 5SJ41038HG40 Siemens 1: $73.25 5In Stock	Mfr. Part No. 5SJ41038HG40 Mouser Part No 982-5SJ41038HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 3A SAME PH 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	$73.25 $67.25 $64.69 $59.95 View $57.98 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	3 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated