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
3D63UR 3D63UR 63A MCB D CHAR 3 P 480Y/2 Altech Corporation	4,475	-	RFQ	Datasheet	UR	Bulk	Active	DIN Rail	Thermal Magnetic	63A	480 V	-	Lever	3	None	-	CE
2DU50L CIR BRKR THRM-MAG 50A LEVER Altech Corporation	5,339	-	RFQ	Datasheet	L	Bulk	Obsolete	DIN Rail	Thermal Magnetic	50A	240 V	250 V	Lever	2	None	-	CE, cULus, UL489
2CU50L 2CU50L50A MCBCCHAR2P 240V ACUL48 Altech Corporation	4,424	-	RFQ	Datasheet	L	Bulk	Obsolete	DIN Rail	Thermal Magnetic	50A	240 V	250 V	Lever	2	None	-	CE, cULus, UL489
1ZU20L 1ZU20L,20A MCB, Z CHAR Altech Corporation	6,818	-	RFQ	Datasheet	L	Bulk	Active	DIN Rail	Thermal Magnetic	20A	480 V	250 V	Lever	1	None	-	CE, cULus, UL489
1ZU25L 1ZU25L,25A MCB, Z CHAR Altech Corporation	4,152	-	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-
2DU40L CIR BRKR THRM-MAG 40A LEVER Altech Corporation	9,265	-	RFQ	Datasheet	L	Bulk	Obsolete	DIN Rail	Thermal Magnetic	40A	240 V	250 V	Lever	2	None	-	CE, cULus, UL489
2D3UL 2D3UL 3A CIRCUIT BREAKER D CHAR2 Altech Corporation	4,294	-	RFQ	Datasheet	UL	Bulk	Active	DIN Rail	Thermal Magnetic	3A	480 V	-	Lever	2	None	-	CE, cULus, UL489
2D6UL CIRCUIT BREAKER 6A CHAR2P UL489 Altech Corporation	2,062	-	RFQ	Datasheet	UL	Bulk	Active	DIN Rail	Thermal Magnetic	6A	480 V	-	Lever	2	None	-	CE, cULus, UL489
2C03UL 2C03UL 0.3A CIRCUIT BREAKER C CH Altech Corporation	9,119	-	RFQ	Datasheet	UL	Bulk	Active	DIN Rail	Thermal Magnetic	300mA	480 V	-	Lever	2	None	-	CE, cULus, UL489
2C05UL 2C05UL 0.5A CIRCUIT BREAKER C CH Altech Corporation	7,164	-	RFQ	Datasheet	UL	Bulk	Active	DIN Rail	Thermal Magnetic	500mA	480 V	-	Lever	2	None	-	CE, cULus, UL489

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

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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.