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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
S-TS400NU-ATU-LL-300CIRCUIT BREAKER 300A480V3P35KAAD |
5,244 | - |
|
Datasheet | S-TS400 | Bulk | Active | DIN Rail | Thermal Magnetic | 300A | 600 V | - | Lever | 3 | None | - | cULus, UL489 |
|
S-TS400NU-ATU-LL-400CIRCUIT BREAKER 400A480V3P35KAAD |
4,806 | - |
|
Datasheet | S-TS400 | Bulk | Active | DIN Rail | Thermal Magnetic | 400A | 600 V | - | Lever | 3 | None | - | cULus, UL489 |
|
UTS400N-FMU-300MOLDED CASE CB, 300A/480V AC, 3P |
3,807 | - |
|
Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - |
|
S-TS800NU-FTU-LL-600CIRCUIT BREAKER 600A480V AC 3P 3 |
9,691 | - |
|
Datasheet | S-TS800 | Bulk | Active | DIN Rail | Thermal Magnetic | 600A | 600 V | - | Lever | 3 | None | - | cULus, UL489 |
|
S-TS800NU-FTU-LL-700CIRCUIT BREAKER 700A480V AC 3P 3 |
6,623 | - |
|
Datasheet | S-TS800 | Bulk | Active | DIN Rail | Thermal Magnetic | 700A | 600 V | - | Lever | 3 | None | - | cULus, UL489 |
|
S-TS800NU-FTU-LL-800CIRCUIT BREAKER 800A480V AC 3P 3 |
3,920 | - |
|
Datasheet | S-TS800 | Bulk | Obsolete | DIN Rail | Thermal Magnetic | 800A | 600 V | - | Lever | 3 | None | - | cULus, UL489 |
|
S-TS800HU-FTU-LL-600CIRCUIT BREAKER 600A480V AC 3P 6 |
5,332 | - |
|
Datasheet | S-TS800 | Bulk | Active | DIN Rail | Thermal Magnetic | 600A | 600 V | - | Lever | 3 | None | - | cULus, UL489 |
|
1CU20LCIR BRKR THRM-MAG 20A LEVER |
4,195 | - |
|
Datasheet | L | Bulk | Discontinued at Digi-Key | DIN Rail | Thermal Magnetic | 20A | 277 V | 125 V | Lever | 1 | None | - | CE, cULus, UL489 |
|
1DU2LCIR BRKR THRM-MAG 2A LEVER |
7,903 | - |
|
Datasheet | L | Bulk | Discontinued at Digi-Key | DIN Rail | Thermal Magnetic | 2A | 277 V | 125 V | Lever | 1 | None | - | CE, cULus, UL489 |
|
3DU30LCIR BRKR THRM-MAG 30A LEVER |
8,928 | - |
|
Datasheet | L | Bulk | Discontinued at Digi-Key | DIN Rail | Thermal Magnetic | 30A | 480 V | - | Lever | 3 | None | - | CE, cULus, UL489 |
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.