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.
| Photo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
4420.0426CIR BRKR THRM MAG 1.5A 277V 65V |
5,515 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 1.5A | 277 V | 65 V | Lever | 3 | - | - | - |
|
|
4420.0428CIR BRKR THRM MAG 12A 277V 65V |
9,018 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 12A | 277 V | 65 V | Lever | 2 | - | - | - |
|
|
4420.0429CIR BRKR THRM MAG 1.5A 277V 65V |
2,546 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 1.5A | 277 V | 65 V | Lever | 2 | - | - | - |
|
|
4420.0432CIR BRKR THRM MAG 7A 277V 65V |
7,675 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 7A | 277 V | 65 V | Lever | 3 | - | - | - |
|
|
4420.0433CIR BRKR THRM MAG 6A 277V 65V |
4,738 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 6A | 277 V | 65 V | Lever | 3 | - | - | - |
|
|
4420.0434CIR BRKR THRM MAG 1A 277V 65V |
6,666 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 1A | 277 V | 65 V | Lever | 3 | - | - | - |
|
|
4420.0438CIR BRKR THRM MAG 7A 277V 65V |
9,117 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 7A | 277 V | 65 V | Lever | 2 | - | - | - |
|
|
4420.0449CIR BRKR THRM MAG 25A 277V 65V |
7,586 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 25A | 277 V | 65 V | Lever | 2 | - | - | - |
|
|
4420.0464CIR BRKR THRM MAG 16A 277V 65V |
8,578 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 16A | 277 V | 65 V | Lever | 2 | - | - | - |
|
|
4420.0481CIR BRKR 40A 277VAC 65VDC |
2,135 | - |
|
Datasheet | AS168X | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 40A | 277 V | 65 V | Lever | 1 | - | - | - |
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.
