Circuit Breakers

Use the filters and product table below to compare Circuit Breakers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters

Stock & Datasheets Review availability and technical references

RFQ & BOM Support Send your target MPN, quantity or BOM

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
3VA51405ED261AA0 BRKR 3VA51 2P 40A 35KA FTFM NAV Siemens	3,936	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	40A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51505ED261AA0 BRKR 3VA51 2P 50A 35KA FTFM NAV Siemens	6,525	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	50A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51355ED261AA0 BRKR 3VA51 2P 35A 35KA FTFM NAV Siemens	2,820	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	35A	415 V	-	Lever	2	None	-	CCC, CE, VDE
3VA51455ED261AA0 BRKR 3VA51 2P 45A 35KA FTFM NAV Siemens	8,523	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	45A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51605ED261AA0 BRKR 3VA51 2P 60A 35KA FTFM NAV Siemens	8,154	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	60A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51955ED261AA0 BRKR 3VA51 2P 15A 35KA FTFM NAV Siemens	5,204	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	15A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51255ED261AA0 BRKR 3VA51 2P 25A 35KA FTFM NAV Siemens	7,557	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	25A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51101BB350AA0 MCSW 3VA51 3P 100A 65KA LN AL Siemens	4,174	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	100A	690 V	-	Lever	3	None	-	CE
3VA51106ED161AA0 BRKR 3VA51 1P 100A 50KA FTFM NAV Siemens	2,023	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	100A	415 V	-	Lever	1	None	-	CCC, CE, UL489, VDE
3VA51101BB320AA0 MCSW 3VA51 3P 100A 65KA NUT Siemens	6,825	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	100A	690 V	-	Lever	3	None	-	CCC

WINSUN SOURCING SUPPORT

Need Help Sourcing Circuit Breakers?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

Circuit Breakers FAQ

Common questions about filtering, comparing and sourcing Circuit Breakers components.

How can I narrow the Circuit Breakers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Circuit Breakers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.