Circuit Breakers
Browse available Circuit Breakers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
W28-XQ1A-12CIR BRKR THRM 12A 250VAC 32VDC |
487 | - |
|
Datasheet | W28 | Bulk | Active | Panel Mount | Thermal | 12A | 250 V | 32 V | Push to Reset | 1 | - | - | - |
|
|
W28-XT1A-3CIR BRKR THRM 3A 250VAC 32VDC |
274 | - |
|
Datasheet | W28 | Bulk | Active | Panel Mount | Thermal | 3A | 250 V | 32 V | Push to Reset | 1 | - | - | - |
|
W51-A151A1-10CIR BRKR THRM 10A 250VAC 50VDC |
5,963 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 10A | 125 V | 50 V | Rocker | 1 | - | - | - |
|
W51-A151A1-20CIR BRKR THRM 20A 250VAC 50VDC |
869 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 20A | 125 V | 50 V | Rocker | 1 | - | - | - |
|
W51-A151A1-7CIR BRKR THRM 7A 250VAC 50VDC |
770 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 7A | 125 V | 50 V | Rocker | 1 | - | - | - |
|
|
1658-A00-00-P10-12ACIR BRKR THRM 12A 240VAC 28VDC |
367 | - |
|
Datasheet | 1658 | Bulk | Active | Panel Mount | Thermal | 12A | 240 V | 28 V | Automatic Reset | 1 | None | - | CE, CSA C22.2 No 235, IEC 60934, UL1077 |
|
W51-A161A1-15CIR BRKR THRM 15A 125VAC 50VDC |
768 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 15A | 125 V | 50 V | Rocker | 1 | - | - | - |
|
1658-A00-00-P10-25ACIR BRKR THRM 25A 240VAC 28VDC |
181 | - |
|
Datasheet | 1658 | Bulk | Active | Panel Mount | Thermal | 25A | 240 V | 28 V | Automatic Reset | 1 | None | - | CE, CSA C22.2 No 235, IEC 60934, UL1077 |
|
1658-G21-01-P10-25ACIR BRKR THRM 25A 240VAC 28VDC |
630 | - |
|
Datasheet | 1658 | Bulk | Active | Panel Mount | Thermal | 25A | 240 V | 28 V | Push to Reset | 1 | None | - | CE, CSA C22.2 No 235, IEC 60934, UL1077 |
|
|
1658-A00-00-P10-15ACIR BRKR THRM 15A 240VAC 28VDC |
165 | - |
|
Datasheet | 1658 | Bulk | Active | Panel Mount | Thermal | 15A | 240 V | 28 V | Automatic Reset | 1 | None | - | CE, CSA C22.2 No 235, IEC 60934, UL1077 |
|
W51-A152A1-5CIR BRKR THRM 5A 250VAC 50VDC |
1,768 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 5A | 250 V | 50 V | Rocker | 1 | - | - | - |
|
W54-XB1A4A10-25CIR BRKR THRM 25A 250VAC |
432 | - |
|
Datasheet | W54 | Tray | Active | Panel Mount | Thermal | 25A | 250 V | - | Push to Reset | 1 | - | - | - |
|
|
1658-A00-00-P10-10ACIR BRKR THRM 10A 240VAC 28VDC |
859 | - |
|
Datasheet | 1658 | Bulk | Active | Panel Mount | Thermal | 10A | 240 V | 28 V | Automatic Reset | 1 | None | - | CE, CSA C22.2 No 235, IEC 60934, UL1077 |
|
W51-A121B1-10CIR BRKR THRM 10A 125VAC 50VDC |
1,180 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 10A | 125 V | 50 V | Rocker | 1 | Red | - | - |
|
|
W51-A121B1-20CIR BRKR THRM 20A 125VAC 50VDC |
799 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 20A | 125 V | 50 V | Rocker | 1 | Red | - | - |
|
|
W51-A121B1-5CIR BRKR THRM 5A 125VAC 50VDC |
753 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 5A | 125 V | 50 V | Rocker | 1 | Red | - | - |
|
W51-A122B1-20CIR BRKR THRM 20A 250VAC 50VDC |
642 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 20A | 250 V | 50 V | Rocker | 1 | Red | - | - |
|
W51-A122B1-10CIR BRKR THRM 10A 250VAC 50VDC |
364 | - |
|
Datasheet | W51 | Tray | Active | Panel Mount | Thermal | 10A | 250 V | 50 V | Rocker | 1 | Red | - | - |
|
|
1658-G21-02-P10-20ACIR BRKR THRM 20A 240VAC 28VDC |
945 | - |
|
Datasheet | 1658 | Bulk | Active | Panel Mount | Thermal | 20A | 240 V | 28 V | Push to Reset | 1 | None | - | CE, CSA C22.2 No 235, IEC 60934, UL1077 |
|
W58-XA6A4A-3CIR BRKR THRM 3A 250VAC 50VDC |
361 | - |
|
Datasheet | W58 | Tray | Active | Panel Mount | Thermal | 3A | 250 V | 50 V | Push to Reset | 1 | - | - | - |
Circuit Breakers FAQ
Common questions about selecting, comparing and sourcing Circuit Breakers components through Winsun (HK) Electronics.
What should I check when selecting Circuit Breakers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific Circuit Breakers part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find Circuit Breakers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for Circuit Breakers components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
