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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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2907552CIR BRKR 16A 480VAC 125VDC |
1,424 | - |
|
Datasheet | TMC 8 | Box | Active | DIN Rail | Thermal Magnetic | 16A | 480 V | 125 V | Lever | 3 | - | - | cULus, UL489 |
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CB251-50CIR BRKR 50A 32VDC AUTO RESET |
3,944 | - |
|
Datasheet | CB251 | Bulk | Active | Chassis Mount | Thermal | 50A | - | 32 V | Automatic Reset | 1 | None | - | - |
|
5SY41068SUP PTOR 5SY4 1P 240V 6A 7.5K D- |
2,546 | - |
|
Datasheet | 5SY4 | Bulk | Active | DIN Rail | - | 6A | 400 V | 72 V | Lever | 1 | None | - | CB, CCC, CSA, IMQ, UR, VDE |
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5SJ41068HG40MCB 5SJ4 1P 240V 6A SAME PH 14K |
2,536 | - |
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Datasheet | SENTRON | Box | Active | DIN Rail | - | 6A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, EAC, UL489, VDE |
|
4430.3426CIR BRKR THRM 20A 240VAC 60VDC |
3,313 | - |
|
Datasheet | TA45 | Bulk | Active | Panel Mount | Thermal | 20A | 240 V | 60 V | Rocker | 2 | - | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077 |
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2478260000CB MCB 489 2P C 50A ACDC |
2,377 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 50A | 240 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
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2515530000CB MCB 489 2P D 7A ACDC |
2,351 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 7A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
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2478250000CB MCB 489 2P C 40A ACDC |
3,930 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 40A | 240 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
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2478040000CB MCB 489 2P C 1A ACDC |
2,211 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 1A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
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2478230000CB MCB 489 2P C 32A ACDC |
4,003 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 32A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
C30A2PCIR BRKR MAG-HYDR 30A 480VAC |
1,923 | - |
|
Datasheet | - | Tray | Active | DIN Rail | Magnetic (Hydraulic Delay) | 30A | 480 V | - | Lever | 2 | - | - | CE, UL1077, UR |
|
C2A2PCIR BRKR MAG-HYDR 2A 480VAC |
4,004 | - |
|
Datasheet | - | Tray | Active | DIN Rail | Magnetic (Hydraulic Delay) | 2A | 480 V | - | Lever | 2 | - | - | CE, UL1077, UR |
|
4230-T120-K0CU-1ACIR BRK THERM-M 1A 480VAC/125VDC |
1,781 | - |
|
Datasheet | 4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 1A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
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2478790000CB MCB 489 2P D 1A ACDC |
4,760 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 1A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
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2478900000CB MCB 489 2P D 12A ACDC |
1,274 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 12A | 480 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
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2478240000CB MCB 489 2P C 35A ACDC |
1,579 | - |
|
Datasheet | MCB 489 | Bulk | Active | DIN Rail | Thermal Magnetic | 35A | 240 V | 125 V | Lever | 2 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE |
|
C10A2PCIR BRKR MAG-HYDR 10A 480VAC |
4,447 | - |
|
Datasheet | - | Tray | Active | DIN Rail | Magnetic (Hydraulic Delay) | 10A | 480 V | - | Lever | 2 | - | - | CE, UL1077, UR |
|
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4230-T120-K0CU-16ACIR BRKR THERM 16A 480VAC/125VDC |
4,713 | - |
|
Datasheet | 4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 16A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
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4230-T120-K0CU-5ACIR BRK THERM-M 5A 480VAC/125VDC |
4,026 | - |
|
Datasheet | 4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 5A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
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3130-F130-P7T1-W02Q-5ACIR BRKR THRM 5A 250VAC 50VDC |
1,409 | - |
|
Datasheet | 3130 | Bulk | Active | Panel Mount | Thermal | 5A | 415 V | 50 V | Rocker | 3 | None | - | CE, CSA C22.2 No 235, GB 17701, IEC 60934, UL1077 |
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.
