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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 MCB 5SJ4 2P 480/277 2A 10K C-TRIP 5SJ42027HG42 Siemens 1: $156.06 20In Stock	Mfr. Part No. 5SJ42027HG42 Mouser Part No 982-5SJ42027HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 2A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	20In Stock	$156.06 $154.43 $142.38 $109.67 View $105.65 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	2 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 8A 14K C-TRIP 5SJ42087HG41 Siemens 1: $171.38 65In Stock	Mfr. Part No. 5SJ42087HG41 Mouser Part No 982-5SJ42087HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 8A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	65In Stock	$171.38 $154.43 $142.38 $117.68 View $106.65 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	8 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP 5SJ42107HG41 Siemens 1: $162.90 34In Stock	Mfr. Part No. 5SJ42107HG41 Mouser Part No 982-5SJ42107HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	34In Stock	$162.90 $142.52 $134.59 $110.84 View $102.95 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	10 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 480/277 10A 10K C-TRIP 5SJ42107HG42 Siemens 1: $171.38 18In Stock	Mfr. Part No. 5SJ42107HG42 Mouser Part No 982-5SJ42107HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 10A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	18In Stock	$171.38 $146.46 $142.38 $110.29 View $106.66 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	10 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 25A 14K C-TRIP 5SJ42257HG41 Siemens 1: $171.38 24In Stock	Mfr. Part No. 5SJ42257HG41 Mouser Part No 982-5SJ42257HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 25A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	24In Stock	$171.38 $154.43 $142.38 $110.29 View $106.65 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	25 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 3P 480/277 3A 10K C-TRIP 5SJ43037HG42 Siemens 1: $250.75 9In Stock 9Expected 03/12/2026	Mfr. Part No. 5SJ43037HG42 Mouser Part No 982-5SJ43037HG42	Siemens	Circuit Breakers MCB 5SJ4 3P 480/277 3A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	9In Stock 9Expected 03/12/2026	$250.75 $201.88 $182.08 $158.95 View Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	277 VAC, 480 VAC	60 VDC	3 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 3P 480V 32A 5K C-TRIP 5SY43327 Siemens 1: $207.11 10In Stock	Mfr. Part No. 5SY43327 Mouser Part No 982-5SY43327	Siemens	Circuit Breakers SUP PTOR 5SY4 3P 480V 32A 5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	10In Stock	$207.11 $155.38 $153.98 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	32 A	400 VAC	60 VDC	3 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 4P 480V 40A 5K C-TRIP 5SY44407 Siemens 1: $269.04 8In Stock	Mfr. Part No. 5SY44407 Mouser Part No 982-5SY44407	Siemens	Circuit Breakers SUP PTOR 5SY4 4P 480V 40A 5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	8In Stock	$269.04 $214.60 $203.24 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	40 A	400 VAC	60 VDC	4 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 15A B CURVE FAZ-B15/1-SP Eaton Electrical 1: $199.26 27In Stock	Mfr. Part No. FAZ-B15/1-SP Mouser Part No 504-FAZ-B15/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 15A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	27In Stock	$199.26 $165.23 $153.97 $124.84 View $119.79 Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	15 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 3P 15A B CURVE FAZ-B15/3 Eaton Electrical 1: $673.08 16In Stock	Mfr. Part No. FAZ-B15/3 Mouser Part No 504-FAZ-B15/3	Eaton Electrical	Circuit Breakers FAZ UL 1077 3P 15A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	16In Stock	$673.08 $557.58 $513.87 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	15 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 2P 16A B CURVE FAZ-B16/2 Eaton Electrical 1: $396.19 11In Stock	Mfr. Part No. FAZ-B16/2 Mouser Part No 504-FAZ-B16/2	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 16A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	11In Stock	$396.19 $328.37 $302.70 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	16 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 20A B CURVE FAZ-B20/1-SP Eaton Electrical 1: $170.94 16In Stock	Mfr. Part No. FAZ-B20/1-SP Mouser Part No 504-FAZ-B20/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 20A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	16In Stock	$170.94 $151.22 $144.43 $117.53 View $114.30 Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	20 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 3P 20A B CURVE FAZ-B20/3 Eaton Electrical 1: $673.08 5In Stock	Mfr. Part No. FAZ-B20/3 Mouser Part No 504-FAZ-B20/3	Eaton Electrical	Circuit Breakers FAZ UL 1077 3P 20A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	5In Stock	$673.08 $557.58 $513.97 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	20 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 3P 20A B CURVE FAZ-B20/3-NA Eaton Electrical 1: $451.70 4In Stock	Mfr. Part No. FAZ-B20/3-NA Mouser Part No 504-FAZ-B20/3-NA	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 3P 20A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	4In Stock	$451.70 $420.55 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	20 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 30A B CURVE FAZ-B30/1-SP Eaton Electrical 1: $199.25 22In Stock	Mfr. Part No. FAZ-B30/1-SP Mouser Part No 504-FAZ-B30/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 30A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	22In Stock	$199.25 $165.22 $153.95 $126.79 $119.34	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	30 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 3P 32A B CURVE FAZ-B32/3 Eaton Electrical 1: $673.08 3In Stock	Mfr. Part No. FAZ-B32/3 Mouser Part No 504-FAZ-B32/3	Eaton Electrical	Circuit Breakers FAZ UL 1077 3P 32A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	$673.08 $557.58 $513.87 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	32 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 3P 40A B CURVE FAZ-B40/3 Eaton Electrical 1: $725.12 5In Stock	Mfr. Part No. FAZ-B40/3 Mouser Part No 504-FAZ-B40/3	Eaton Electrical	Circuit Breakers FAZ UL 1077 3P 40A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	5In Stock	$725.12 $600.69 $553.60 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	40 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 5A B CURVE FAZ-B5/1-SP Eaton Electrical 1: $222.83 23In Stock	Mfr. Part No. FAZ-B5/1-SP Mouser Part No 504-FAZ-B5/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 5A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	23In Stock	$222.83 $184.69 $170.25 $140.65 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	5 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 3P 50A B CURVE FAZ-B50/3 Eaton Electrical 1: $777.14 5In Stock	Mfr. Part No. FAZ-B50/3 Mouser Part No 504-FAZ-B50/3	Eaton Electrical	Circuit Breakers FAZ UL 1077 3P 50A B CURVE	Datasheet	5In Stock	$777.14 $643.78 $483.15 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	50 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 3P 6A B CURVE FAZ-B6/3-NA Eaton Electrical 1: $488.01 5In Stock	Mfr. Part No. FAZ-B6/3-NA Mouser Part No 504-FAZ-B6/3-NA	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 3P 6A B CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	5In Stock	$488.01 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	6 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers Single-Pole 0.5 A, 277 V FAZ Branch Protector, UL489 Industrial Miniature Circuit Breaker FAZ-C0.5/1-NA-SP Eaton Electrical 1: $164.50 11In Stock	Mfr. Part No. FAZ-C0.5/1-NA-SP Mouser Part No 504-FAZ-C0.5/1-NA-SP	Eaton Electrical	Circuit Breakers Single-Pole 0.5 A, 277 V FAZ Branch Protector, UL489 Industrial Miniature Circuit Breaker Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	11In Stock	$164.50 $140.35	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	500 mA	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 supp. 1P 1A C CURVE FAZ-C1/1-SP Eaton Electrical 1: $222.82 20In Stock	Mfr. Part No. FAZ-C1/1-SP Mouser Part No 504-FAZ-C1/1-SP	Eaton Electrical	Circuit Breakers FAZ UL 1077 supp. 1P 1A C CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	20In Stock	$222.82 $184.67 $170.23 $131.65 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	1 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 2P 1A C CURVE FAZ-C1/2 Eaton Electrical 1: $431.89 5In Stock	Mfr. Part No. FAZ-C1/2 Mouser Part No 504-FAZ-C1/2	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 1A C CURVE	Datasheet	5In Stock	$431.89 $357.78 $309.18	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	1 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 2P 1A C CURVE FAZ-C1/2-NA Eaton Electrical 1: $326.73 15In Stock	Mfr. Part No. FAZ-C1/2-NA Mouser Part No 504-FAZ-C1/2-NA	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 2P 1A C CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	15In Stock	$326.73 $291.35	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	1 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 3P 1A C CURVE FAZ-C1/3-NA Eaton Electrical 1: $483.86 5In Stock	Mfr. Part No. FAZ-C1/3-NA Mouser Part No 504-FAZ-C1/3-NA	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 3P 1A C CURVE Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	5In Stock	$483.86 $451.43 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	1 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated