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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1BU16RCIR BRKR THRM-MAG 16A LEVER |
4,903 | - |
|
Datasheet | R | Bulk | Obsolete | DIN Rail | Magnetic | 16A | 277 V | - | - | 1 | - | - | CE, UL |
|
|
1CU3RCIR BRKR THRM-MAG 3A LEVER |
3,342 | - |
|
Datasheet | R | Bulk | Obsolete | DIN Rail | Magnetic | 3A | 277 V | - | - | 1 | - | - | CE, UL |
|
|
1BU3RCIR BRKR THRM-MAG 3A LEVER |
2,320 | - |
|
Datasheet | R | Bulk | Obsolete | DIN Rail | Magnetic | 3A | 277 V | - | - | 1 | - | - | CE, UL |
|
|
1DU5RCIR BRKR THRM-MAG 5A LEVER |
7,574 | - |
|
Datasheet | R | Bulk | Obsolete | DIN Rail | Magnetic | 5A | 277 V | - | - | 1 | - | - | CE, UL |
|
1CU10R1CU10R 10A MCB C CHAR 1 P 277VAC |
2,815 | - |
|
Datasheet | R | Bulk | Obsolete | DIN Rail | Magnetic | 10A | 277 V | - | - | 1 | - | - | CE, UL |
|
1B4UR1B4UR 4A MCB B CHAR 1 P 277VAC U |
5,021 | - |
|
Datasheet | UR | Bulk | Active | DIN Rail | Thermal Magnetic | 4A | 277 V | - | Lever | 1 | None | - | CE, cURus, UL1077 |
|
|
1D16UR1D16UR 16A MCB D CHAR 1 P 277VAC |
7,684 | - |
|
Datasheet | UR | Bulk | Active | DIN Rail | Thermal Magnetic | 16A | 277 V | - | Lever | 1 | None | - | CE, cURus, UL1077 |
|
|
1B05UR1B05UR 0.5A MCB B CHAR 1 P 277VA |
7,890 | - |
|
Datasheet | UR | Bulk | Active | DIN Rail | Thermal Magnetic | 500mA | 277 V | - | Lever | 1 | None | - | CE, cURus, UL1077 |
|
|
1B10UR1B10UR 10A MCB B CHAR 1 P 277VAC |
7,465 | - |
|
Datasheet | UR | Bulk | Active | DIN Rail | Thermal Magnetic | 10A | 277 V | - | Lever | 1 | None | - | CE, cURus, UL1077 |
|
|
1B12UR1B12UR 12A MCB B CHAR 1 P 277VAC |
3,659 | - |
|
Datasheet | UR | Bulk | Active | DIN Rail | Thermal Magnetic | 12A | 277 V | - | Lever | 1 | None | - | CE, cURus, 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.
