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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
452-K34-LN2-125ACIRC BRKR THRM MAGNETIC |
8,600 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 125A | - | 28 V | Push-Pull Plunger | 1 | None | - | CSA C22.2 No 235, UL1077 |
|
|
452-K34-LN2-260031-90ASINGLE POLE HIGH PERFORMANCE THE |
2,991 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 90A | - | 28 V | Push-Pull Plunger | 1 | None | - | QPL, UL, VG 95345 |
|
|
452-K34-LN2-260800-50ASINGLE POLE HIGH PERFORMANCE THE |
6,220 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 50A | - | 28 V | Push-Pull Plunger | 1 | None | - | QPL, UL, VG 95345 |
|
|
452-K34-LN2-260800-80ASINGLE POLE HIGH PERFORMANCE THE |
8,977 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 80A | - | 28 V | Push-Pull Plunger | 1 | None | - | QPL, UL, VG 95345 |
|
|
8345-FRS004-30ACIRC BRKR HYDRAULIC MAGNETIC |
7,170 | - |
|
Datasheet | 8345 | Bulk | Active | Panel Mount | Magnetic (Hydraulic Delay) | 30A | 480 V | 80 V | Lever | 1 | None | - | CSA C22.2 No 235, GB 17701, IEC 60934, UL1077, UL489 |
|
|
452-K14-FN2-S1-70ACIR BRKR THRM 70A |
9,269 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 70A | - | 28 V | Push-Pull Plunger | 1 | None | - | CSA C22.2 No 235, UL1077 |
|
|
452-K14-LN2-260008-100ACIR BRKR THRM-MAG 100A 28VDC |
4,529 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 100A | - | 28 V | Push-Pull Plunger | 1 | None | - | CSA C22.2 No 235, UL1077 |
|
|
452-K14-LN2-260008-70ACIR BRKR THRM-MAG 70A 28VDC |
8,292 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 70A | - | 28 V | Push-Pull Plunger | 1 | None | - | CSA C22.2 No 235, UL1077 |
|
|
452-K14-LN2-260008-80ACIR BRKR THRM-MAG 80A 28VDC |
9,874 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 80A | - | 28 V | Push-Pull Plunger | 1 | None | - | CSA C22.2 No 235, UL1077 |
|
|
452-K14-LN2-260008-90ACIR BRKR THRM-MAG 90A 28VDC |
6,492 | - |
|
Datasheet | 452 | Bulk | Active | Panel Mount | Thermal Magnetic | 90A | - | 28 V | Push-Pull Plunger | 1 | None | - | CSA C22.2 No 235, 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.
