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
3VA51706EC320AA0 BRKR 3VA51 3P 70A 65KA FTAM NUT Siemens	5,991	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	70A	690 V	-	Lever	3	None	-	CCC, UL489
3VA51806EC320AA0 BRKR 3VA51 3P 80A 65KA FTAM NUT Siemens	7,608	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	80A	690 V	-	Lever	3	None	-	CCC, UL489
3VA51116ED560AA0 BRKR 3VA51 1(2)P 110A 50KA FTFM Siemens	9,807	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	110A	415 V	-	Lever	1	None	-	CCC, CE, UL489, VDE
3VA51111MU320AA0 BRKR 3VA51 3P 110A 65KA MCP LO N Siemens	9,444	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	110A	690 V	-	Lever	3	None	-	CCC
3VA51114ED260AA0 BRKR 3VA51 2P 110A 25KA FTFM AL Siemens	7,799	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	110A	415 V	-	Lever	2	None	-	CCC, CE, UL489, VDE
3VA51106ED220AA0 BRKR 3VA51 2P 100A 65KA FTFM NUT Siemens	2,100	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	100A	415 V	-	Lever	2	None	-	CCC, UL489
3VA51706EC360AA0 BRKR 3VA51 3P 70A 65KA FTAM AL Siemens	3,575	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	70A	690 V	-	Lever	3	None	-	CCC, CE, UL489, VDE
3VA51806EC360AA0 BRKR 3VA51 3P 80A 65KA FTAM AL Siemens	7,152	-	RFQ	Datasheet	SENTRON	Box	Active	DIN Rail	-	80A	690 V	-	Lever	3	None	-	CCC, CE, UL489, VDE
3VA51104ED360HC0 BRKR 3VA51 3P 100A 25KA FTFM ST Siemens	7,033	-	RFQ	Datasheet	3VA5	Bulk	Active	-	Thermal Magnetic	100A	480 V	-	-	3	None	-	-
3VA51104ED360JC0 BRKR 3VA51 3P 100A 25KA FTFM ST Siemens	3,712	-	RFQ	Datasheet	3VA5	Bulk	Active	-	Thermal Magnetic	100A	480 V	-	-	3	None	-	-

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.