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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1Z1UL1Z1UL 1A CIRCUIT BREAKER Z CHAR |
3,321 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 1A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1Z20UL1Z20UL 20A CIRCUIT BREAKER Z CHA |
7,171 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 20A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1Z30UL1Z30UL 30A CIRCUIT BREAKER Z CHA |
7,890 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 30A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1Z32UL1Z32UL 32A CIRCUIT BREAKER Z CHA |
7,937 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 32A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1Z40UL1Z40UL 40A CIRCUIT BREAKER Z CHA |
6,014 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 40A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1Z50UL1Z50UL 50A CIRCUIT BREAKER Z CHA |
4,263 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 50A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1Z5UL1Z5UL 5A CIRCUIT BREAKER Z CHAR |
9,273 | - |
|
Datasheet | UL | Bulk | Active | DIN Rail | Thermal Magnetic | 5A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1ZU15L1ZU15L15A MCB Z CHAR 1P277VACUL4 |
7,577 | - |
|
Datasheet | L | Bulk | Active | DIN Rail | Thermal Magnetic | 15A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
1ZU50L1ZU50L50A MCB Z CHAR 1P277VACUL4 |
8,065 | - |
|
Datasheet | L | Bulk | Active | DIN Rail | Thermal Magnetic | 50A | 277 V | - | Lever | 1 | None | - | CE, cULus, UL489 |
|
|
3B40URCIRCUIT BREAKER40UR 40A MCB B CH |
5,826 | - |
|
Datasheet | UR | Bulk | Active | DIN Rail | Thermal Magnetic | 40A | 480 V | - | Lever | 3 | 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.
