Circuit Breakers

Browse available Circuit Breakers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Mounting Type	Breaker Type	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Number of Poles	Illumination	Illumination Voltage (Nominal)	Approval Agency
QMB-153-11C3N-3BA CIR BRKR THRM 15A 250V 32V Qualtek	0	1+：$3.33000 5+：$2.76200 10+：$2.54800 50+：$2.11400 100+：$1.95010 250+：$1.75184 500+：$1.61464 1000+：$1.48743 5000+：$1.29654	RFQ	Datasheet	QMB	Bulk	Active	Panel Mount	Thermal	15A	250 V	32 V	Push to Reset	1	-	-	TUV
4404.0002 CIR BRKR THRM 6A 240V 48V SCHURTER Inc.	4,895	1+：$4.89000 5+：$4.06000 10+：$3.74600 50+：$3.10720 100+：$2.86580 300+：$2.51940 500+：$2.37198 1000+：$2.18460 5000+：$1.96865	RFQ	Datasheet	T9-611	Box	Active	Panel Mount	Thermal	6A	240 V	48 V	Push to Reset	1	-	-	CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077
4404.0105 CIR BRKR THRM 15A 240V 48V SCHURTER Inc.	1,950	1+：$5.67000 5+：$4.70600 10+：$4.34300 50+：$3.60220 100+：$3.32220 300+：$2.92020 500+：$2.74916 1000+：$2.53170	RFQ	Datasheet	T9-818	Bulk	Active	Through Hole	Thermal	15A	240 V	48 V	Push to Reset	1	-	-	CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077
W57-XB7A4A10-5 CIR BRKR THRM 5A 250V TE Connectivity Potter & Brumfield Relays	0	-	RFQ	Datasheet	W57	Tray	Active	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	-	-	-
W28-XQ1A-3 CIR BRKR THRM 3A 250V 32V TE Connectivity Potter & Brumfield Relays	32,383	1+：$5.24000 5+：$4.48800 10+：$4.23100 50+：$3.76360 100+：$3.60930 300+：$3.41083 500+：$3.33502 1000+：$3.24616	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	3A	250 V	32 V	Push to Reset	1	-	-	-
W54-XB1A4A10-20 CIR BRKR THRM 20A 250V TE Connectivity Potter & Brumfield Relays	3,084	1+：$4.73000 5+：$4.04200 10+：$3.80600 50+：$3.41160 300+：$3.21843	RFQ	Datasheet	W54	Tray	Active	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-	-
W57-XB7A4A10-20 CIR BRKR THRM 20A 250V TE Connectivity Potter & Brumfield Relays	1,107	1+：$3.56000 5+：$3.02800 10+：$2.84600 50+：$2.51460 200+：$2.31110 400+：$2.23173 600+：$2.19108 1000+：$2.14527	RFQ	Datasheet	W57	Tray	Active	Panel Mount	Thermal	20A	250 V	-	Push to Reset	1	-	-	-
W54-XB1A4A10-30 CIR BRKR THRM 30A 250V TE Connectivity Potter & Brumfield Relays	1,430	1+：$4.81000 5+：$4.11600 10+：$3.87800 50+：$3.44740 100+：$3.30530 300+：$3.12250 500+：$3.05262 1000+：$2.97076	RFQ	Datasheet	W54	Tray	Active	Panel Mount	Thermal	30A	250 V	-	Push to Reset	1	-	-	-
W51-A121B1-15 CIR BRKR THRM 15A 125V 50V TE Connectivity Potter & Brumfield Relays	7,347	1+：$6.18000 5+：$5.30600 10+：$5.00800 50+：$4.46920 200+：$4.14115 400+：$4.01365 600+：$3.94845 1000+：$3.87510	RFQ	Datasheet	W51	Tray	Active	Panel Mount	Thermal	15A	125 V	50 V	Rocker	1	Red	-	-
W57-XB1A7A10-5 CIR BRKR THRM 5A 250V TE Connectivity Potter & Brumfield Relays	0	-	RFQ	Datasheet	W57	Tray	Active	Panel Mount	Thermal	5A	250 V	-	Push to Reset	1	-	-	-
W28-XQ1A-8 CIR BRKR THRM 8A 250V 32V TE Connectivity Potter & Brumfield Relays	3,283	1+：$4.97000 5+：$4.25200 10+：$4.00600 50+：$3.60760 300+：$3.40340	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	8A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-4 CIR BRKR THRM 4A 250V 32V TE Connectivity Potter & Brumfield Relays	4,593	1+：$4.29000 5+：$3.66400 10+：$3.44900 50+：$3.05920 100+：$2.93020 300+：$2.76423 500+：$2.70076 1000+：$2.62634	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	4A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-20 CIR BRKR THRM 20A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	117	1+：$4.71000 5+：$4.02800 10+：$3.79600 50+：$3.37280 100+：$3.23310 300+：$3.05357 500+：$2.98490 1000+：$2.90444	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	20A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-15 CIR BRKR THRM 15A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	11,974	-	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	15A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-5 CIR BRKR THRM 5A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	7,570	-	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	5A	250 V	32 V	Push to Reset	1	-	-	-
W28-XQ1A-10 CIR BRKR THRM 10A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	2,097	-	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	10A	250 V	32 V	Push to Reset	1	-	-	-
W51-A152A1-10 CIR BRKR THRM 10A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	5,270	-	RFQ	Datasheet	W51	Tray	Active	Panel Mount	Thermal	10A	250 V	50 V	Rocker	1	-	-	-
W51-A152A1-20 CIR BRKR THRM 20A 250VAC 50VDC TE Connectivity Potter & Brumfield Relays	1,827	-	RFQ	Datasheet	W51	Tray	Active	Panel Mount	Thermal	20A	250 V	50 V	Rocker	1	-	-	-
W51-A152A1-15 CIR BRKR THRM 15A 250V 50V TE Connectivity Potter & Brumfield Relays	1,282	1+：$5.91000 5+：$5.06600 10+：$4.77900 50+：$4.26140 200+：$3.94565 400+：$3.82293 600+：$3.76017 1000+：$3.68953	RFQ	Datasheet	W51	Tray	Active	Panel Mount	Thermal	15A	250 V	50 V	Rocker	1	-	-	-
W28-XQ1A-7 CIR BRKR THRM 7A 250VAC 32VDC TE Connectivity Potter & Brumfield Relays	5,309	-	RFQ	Datasheet	W28	Bulk	Active	Panel Mount	Thermal	7A	250 V	32 V	Push to Reset	1	-	-	-

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FREQUENTLY ASKED QUESTIONS

Circuit Breakers FAQ

Common questions about selecting, comparing and sourcing Circuit Breakers components through Winsun (HK) Electronics.

What should I check when selecting Circuit Breakers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Circuit Breakers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Circuit Breakers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Circuit Breakers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.