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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
2478090000CB MCB 489 2P C 3A ACDC |
182 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 3A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
2478110000CB MCB 489 2P C 5A ACDC |
4,066 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 5A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
2478870000CB MCB 489 2P D 6A ACDC |
2,319 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 6A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
4230-T120-K0CU-15ACIR BRKR THERM 15A 480VAC/125VDC |
459 | - |
|
Datasheet | 4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 15A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
5SJ41188HG42MCB 5SJ4 1P 277V 15A 10K D-TRIP |
2,751 | - |
|
Datasheet | 5SJ4 | Bulk | Active | DIN Rail | - | 15A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL489, VDE |
|
W33-T2N1Q-20CIR BRKR THRM 20A 250VAC 50VDC |
218 | - |
|
Datasheet | W33 | Bulk | Active | Panel Mount | Thermal | 20A | 250 V | 50 V | Rocker | 2 | - | - | - |
|
W91-X152-20CIR BRKR MAG-HYDR 20A 65VDC |
145 | - |
|
Datasheet | W9 | Bulk | Active | Panel Mount | Magnetic (Hydraulic Delay) | 20A | - | 65 V | Lever | 1 | - | - | - |
|
W91-X152-15CIR BRKR MAG-HYDR 15A 65VDC |
4,263 | - |
|
Datasheet | W9 | Bulk | Active | Panel Mount | Magnetic (Hydraulic Delay) | 15A | - | 65 V | Lever | 1 | - | - | - |
|
W91-X112-2CIR BRKR MAG-HYDR 2A 277VAC |
2,048 | - |
|
Datasheet | W9 | Bulk | Active | Panel Mount | Magnetic (Hydraulic Delay) | 2A | 277 V | - | Lever | 1 | - | - | - |
|
5SJ41118HG41MCB 5SJ4 1P 240V 5A 14K D-TRIP |
3,062 | - |
|
Datasheet | 5SJ4 | Bulk | Active | DIN Rail | - | 5A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL489, VDE |
|
5SJ41107HG42MCB 5SJ4 1P 277V 10A 10K C-TRIP |
3,205 | - |
|
Datasheet | 5SJ4 | Bulk | Active | DIN Rail | - | 10A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL489, VDE |
|
|
IUGN6-1-51-30.0CIR BRKR MAG-HYDR LEVER 30A |
1,203 | - |
|
Datasheet | IUG | Bulk | Active | Panel Mount | Magnetic (Hydraulic Delay) | 30A | - | 80 V | Toggle | 1 | None | - | UL1077 |
|
W31-X2M1G-1CIR BRKR THRM 1A 240VAC 50VDC |
3,235 | - |
|
Datasheet | W31 | Bulk | Active | Panel Mount | Thermal | 1A | 240 V | 50 V | Toggle | 1 | - | - | - |
|
W31-X2M1G-35CIR BRKR THRM 35A 240VAC 50VDC |
166 | - |
|
Datasheet | W31 | Bulk | Active | Panel Mount | Thermal | 35A | 240 V | 50 V | Toggle | 1 | - | - | - |
|
GP2E20CIR BRKR THERM MAG 18A 690VAC PB |
4,319 | - |
|
Datasheet | - | Box | Active | DIN Rail | Thermal Magnetic | 18A | 690 V | - | Pushbutton | 3 | None | - | cUL, UL |
|
GP2E21CIR BRKR THERM MAG 23A 690VAC PB |
1,393 | - |
|
Datasheet | - | Box | Active | DIN Rail | Thermal Magnetic | 23A | 690 V | - | Pushbutton | 3 | None | - | cUL, UL |
|
5SJ41018HG42MCB 5SJ4 1P 277V 1A 10K D-TRIP |
4,321 | - |
|
Datasheet | SENTRON | Box | Active | DIN Rail | - | 1A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, EAC, UL489, VDE |
|
GMB632PC10CIR BRKR THERM 10A 240VAC/125VDC |
3,786 | - |
|
Datasheet | GMB63 | Box | Active | DIN Rail | Thermal Magnetic | 10A | 240 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 5, IEC 60947-2, UL489 |
|
GP2E10CIR BRK THERM MAG 6.3A 690VAC PB |
264 | - |
|
Datasheet | - | Box | Active | DIN Rail | Thermal Magnetic | 6.3A | 690 V | - | Pushbutton | 3 | None | - | cUL, UL |
|
GP2E08CIR BRK THERM MAG 4A 690VAC PB |
231 | - |
|
Datasheet | - | Box | Active | DIN Rail | Thermal Magnetic | 4A | 690 V | - | Pushbutton | 3 | None | - | cUL, UL |
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.