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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
321-A2M-50-B-CCVer. Bracket Type I auto 50A |
3,702 | - |
|
Datasheet | 32 | Bulk | Active | Chassis Mount | Shortstop | 50A | - | 12 V | Automatic Reset | 1 | None | - | J553, J1171 |
|
533p005022BATT DISC SW CIR BRKR THERM 50A |
9,855 | - |
|
Datasheet | 53 | Bulk | Active | Panel Mount | - | 50A | - | 32 V | Push to Reset | - | None | - | CE, UL1077, UL1107, UL1500 |
|
533p004022BATT DISC SW CIR BRKR THERM 40A |
4,169 | - |
|
Datasheet | 53 | Bulk | Active | Panel Mount | - | 40A | - | 32 V | Push to Reset | - | None | - | CE, UL1077, UL1107, UL1500 |
|
252-001-100-50CIR BRKR PTR 10A UL489 CAD FREE |
5,279 | - |
|
Datasheet | SERIES 02 | Bulk | Active | Panel Mount | Thermal | 10A | 120 V | - | Push to Reset | 1 | None | - | CCC, CSA, UL489, VDE |
|
1221-260-030-B30CIR BRKR THRM 3A 250VAC 50VDC |
4,011 | - |
|
Datasheet | 12 | Bulk | Active | Panel Mount | Thermal | 3A | - | 50 V | Push to Reset | 1 | - | - | ABYC-E11, UL1077 |
|
533p003022BATT DISC SW CIR BRKR THERM 30A |
7,946 | - |
|
Datasheet | 53 | Bulk | Active | Panel Mount | - | 30A | - | 32 V | Push to Reset | - | None | - | CE, UL1077, UL1107, UL1500 |
|
533p006022BATT DISC SW CIR BRKR THERM 50A |
7,801 | - |
|
Datasheet | 53 | Bulk | Active | Panel Mount | - | 60A | - | 32 V | Push to Reset | - | None | - | CE, UL1077, UL1107, UL1500 |
|
171-S8-120-2CB, 120A, AUTO, SURF MTG, 1/4" T |
5,165 | - |
|
Datasheet | 17 | Bulk | Active | Chassis Mount | Thermal | 120A | - | 30 V | Automatic Reset | 1 | None | - | ABYC, SAE J1625, UL1077 |
|
174-S8-150-2CB, 150A, MAN RST, SURF MTG, 1/4 |
8,425 | - |
|
Datasheet | 17 | Bulk | Active | Chassis Mount | Thermal | 150A | - | 48 V | Manual Reset | 1 | None | - | ABYC, SAE J1625, UL1077 |
|
171-S8-150-2CB, 150A, AUTO, SURF MTG, 1/4" T |
8,628 | - |
|
Datasheet | 17 | Bulk | Active | Chassis Mount | Thermal | 150A | - | 30 V | Automatic Reset | 1 | None | - | ABYC, SAE J1625, UL1077 |
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.