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4 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 MCB ST200M 1P K 4A UL1077 ST201M-K4 ABB 1: $52.47 20In Stock	Mfr. Part No. ST201M-K4 Mouser Part No 894-ST201M-K4	ABB	Circuit Breakers MCB ST200M 1P K 4A UL1077 Learn More about ABB st200m mini circuit breakers	Datasheet	20In Stock	$52.47 $46.39 $41.95 $37.86 View $35.56 $33.80 Quote	Min.: 1 Mult.: 1	ST200M	Circuit Breakers		4 A			1 Pole
Circuit Breakers UL489 MCB 1P C 4A 480/277 SU201M-C4 ABB 1: $63.09 37In Stock	Mfr. Part No. SU201M-C4 Mouser Part No 894-SU201M-C4	ABB	Circuit Breakers UL489 MCB 1P C 4A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	37In Stock	$63.09 $52.34 $48.28 $42.57 View $39.83 $37.82 Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		4 A			1 Pole
Circuit Breakers UL489 MCB 1P K 4A 480/277 SU201M-K4 ABB 1: $63.55 34In Stock 50Expected 2026/12/04	Mfr. Part No. SU201M-K4 Mouser Part No 894-SU201M-K4	ABB	Circuit Breakers UL489 MCB 1P K 4A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	34In Stock 50Expected 2026/12/04	$63.55 $57.30 $51.90 $41.55 View $40.68 Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		4 A			1 Pole
Circuit Breakers UL489 MCB 3P K 4A 480/277 SU203M-K4 ABB 1: $187.60 5In Stock New At Mouser	Mfr. Part No. SU203M-K4 Mouser Part No 894-SU203M-K4 New At Mouser	ABB	Circuit Breakers UL489 MCB 3P K 4A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	5In Stock	$187.60 $162.73 $152.26 $133.36 $127.42	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		4 A			3 Pole
Circuit Breakers MSP,GROUP TAP,S00,CL10,2.8-4A,SCREW 3RV10111EA10 Siemens 1: $400.33 4In Stock	Mfr. Part No. 3RV10111EA10 Mouser Part No 982-3RV10111EA10	Siemens	Circuit Breakers MSP,GROUP TAP,S00,CL10,2.8-4A,SCREW Learn More about Siemens 3rv1 motor starter protectors	Datasheet	4In Stock	$400.33 $340.32 $313.61	Min.: 1 Mult.: 1	3RV1	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Toggle	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 2.8-4A SPRING 3RV20111EA20 Siemens 1: $277.65 5In Stock	Mfr. Part No. 3RV20111EA20 Mouser Part No 982-3RV20111EA20	Siemens	Circuit Breakers MSP S00 2.8-4A SPRING Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$277.65 $225.84 $206.98 $179.36	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 2.8-4A SCRW W/AUX 1NO/1NC 3RV20211EA15 Siemens 1: $363.36 2In Stock	Mfr. Part No. 3RV20211EA15 Mouser Part No 982-3RV20211EA15	Siemens	Circuit Breakers MSP S0 2.8-4A SCRW W/AUX 1NO/1NC Learn More about Siemens 3rv2 circuit breakers	Datasheet	2In Stock	$363.36 $322.33 $312.85 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 FOR XFRMR 2.8-4A SCREW 3RV24111EA10 Siemens 1: $296.20 4In Stock	Mfr. Part No. 3RV24111EA10 Mouser Part No 982-3RV24111EA10	Siemens	Circuit Breakers MSP S00 FOR XFRMR 2.8-4A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	$296.20 $236.14 $226.66 $214.88 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Transformer Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers TMCB UL489 S00 4A SCREW 3RV27111ED10 Siemens 1: $557.86 3In Stock	Mfr. Part No. 3RV27111ED10 Mouser Part No 982-3RV27111ED10	Siemens	Circuit Breakers TMCB UL489 S00 4A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	$557.86 $466.77 $430.29 Quote Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	System Protection	4 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K C-TRIP 5SJ41047HG40 Siemens 1: $70.18 12In Stock	Mfr. Part No. 5SJ41047HG40 Mouser Part No 982-5SJ41047HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	12In Stock	$70.18 $65.66 $60.98 $49.18 View $46.21 $44.33 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 4A 14K C-TRIP 5SJ41047HG41 Siemens 1: $84.40 4In Stock	Mfr. Part No. 5SJ41047HG41 Mouser Part No 982-5SJ41047HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 4A 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	4 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 4A 10K C-TRIP 5SJ41047HG42 Siemens 1: $84.40 3In Stock 4Expected 2026/10/05	Mfr. Part No. 5SJ41047HG42 Mouser Part No 982-5SJ41047HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 4A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	3In Stock 4Expected 2026/10/05	$84.40 $71.73 $66.30 $54.36 $50.52	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 4A 10K D-TRIP 5SJ41048HG42 Siemens 1: $84.40 10In Stock	Mfr. Part No. 5SJ41048HG42 Mouser Part No 982-5SJ41048HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 4A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	10In Stock	$84.40 $73.34 $67.85 $54.36 $50.52	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 4A 14K C-TRIP 5SJ42047HG41 Siemens 1: $177.60 8In Stock	Mfr. Part No. 5SJ42047HG41 Mouser Part No 982-5SJ42047HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 4A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	8In Stock	$177.60 $151.42 $139.61 $115.39	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 480/277 4A 10K C-TRIP 5SJ42047HG42 Siemens 1: $177.60 10In Stock	Mfr. Part No. 5SJ42047HG42 Mouser Part No 982-5SJ42047HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 4A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	10In Stock	$177.60 $151.42 $139.61 $115.39	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 480/277 4A 10K D-TRIP 5SJ42048HG42 Siemens 1: $177.60 5In Stock	Mfr. Part No. 5SJ42048HG42 Mouser Part No 982-5SJ42048HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 4A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	$177.60 $153.93 $134.56 $115.39	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	4 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 3P 480/277 4A 10K C-TRIP 5SJ43047HG42 Siemens 1: $254.92 2In Stock	Mfr. Part No. 5SJ43047HG42 Mouser Part No 982-5SJ43047HG42	Siemens	Circuit Breakers MCB 5SJ4 3P 480/277 4A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	2In Stock	$254.92 $202.51 $189.08 $178.36 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	277 VAC, 480 VAC	60 VDC	3 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 3P 480/277 4A 10K D-TRIP 5SJ43048HG42 Siemens 1: $254.92 1In Stock 2Expected 2026/10/23	Mfr. Part No. 5SJ43048HG42 Mouser Part No 982-5SJ43048HG42	Siemens	Circuit Breakers MCB 5SJ4 3P 480/277 4A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock 2Expected 2026/10/23	$254.92 $222.57 $210.36 $199.45 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	277 VAC, 480 VAC	60 VDC	3 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 4A 7.5K C-TRIP 5SY41047 Siemens 1: $75.20 13In Stock	Mfr. Part No. 5SY41047 Mouser Part No 982-5SY41047	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 4A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	13In Stock	$75.20 $64.57 $58.28 $47.61 View $43.83 $41.51	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K A-TRIP 5SY42045 Siemens 1: $134.31 5In Stock	Mfr. Part No. 5SY42045 Mouser Part No 982-5SY42045	Siemens	Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K A-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$134.31 $115.68 $112.18 $103.86 View $101.05 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	2 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K C-TRIP 5SY42047 Siemens 1: $137.22 4In Stock 4Expected 2026/10/29	Mfr. Part No. 5SY42047 Mouser Part No 982-5SY42047	Siemens	Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	4In Stock 4Expected 2026/10/29	$137.22 $115.68 $109.25 $88.11 $82.74	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	2 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K D-TRIP 5SY42048 Siemens 1: $134.31 3In Stock	Mfr. Part No. 5SY42048 Mouser Part No 982-5SY42048	Siemens	Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	3In Stock	$134.31 $117.06 $112.18 $103.86 View $101.06 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	2 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 3P 480V 4A 5K C-TRIP 5SY43047 Siemens 1: $193.00 5In Stock	Mfr. Part No. 5SY43047 Mouser Part No 982-5SY43047	Siemens	Circuit Breakers SUP PTOR 5SY4 3P 480V 4A 5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$193.00 $172.96 $146.51 $135.85 View $135.40 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	3 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers Manual Starter and Protector, 2.5-4A GP2E08 Schneider Electric 1: $66.84 1In Stock 4On Order	Mfr. Part No. GP2E08 Mouser Part No 996-GP2E08	Schneider Electric	Circuit Breakers Manual Starter and Protector, 2.5-4A Learn More about Schneider Electric schneider gp2e easy tesys circuit breakers	Datasheet	1In Stock 4On Order	$66.84	Min.: 1 Mult.: 1	Easy TeSys	Circuit Breakers	Thermal Magnetic	4 A	690 VAC		3 Pole	Pushbutton	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB UL1077 C 1P 4A GSB631PC4 Carlo Gavazzi 1: $13.70 25In Stock	Mfr. Part No. GSB631PC4 Mouser Part No 225-GSB631PC4	Carlo Gavazzi	Circuit Breakers MCB UL1077 C 1P 4A	Datasheet	25In Stock	$13.70 $13.03 $12.33 $11.92	Min.: 1 Mult.: 1	GSB63	Circuit Breakers	Thermal Magnetic	4 A	277 VAC		1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated	Bulk