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EXPLORE COMPONENTS

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.

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Datasheets & Specifications Access technical references quickly
RFQ & BOM Support Send quantities for sourcing and quotation
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
5SJ41307HG41 Siemens

5SJ41307HG41

MCB 5SJ4 1P 240V 30A 14K C-TRIP

Siemens

3,995 -
Datasheet 5SJ4 Bulk Active DIN Rail - 30A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL489, VDE
2907689 Phoenix Contact

2907689

CIR BRKR 20A 480VAC 125VDC

Phoenix Contact

4,042 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 20A 480 V 125 V Lever 3 - - cULus, UL489
2907676 Phoenix Contact

2907676

CIR BRKR 3A 480VAC 125VDC

Phoenix Contact

4,434 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 3A 480 V 125 V Lever 3 - - cULus, UL489
2907614 Phoenix Contact

2907614

CIR BRKR 8A 480VAC 125VDC

Phoenix Contact

2,606 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 8A 480 V 125 V Lever 3 - - cULus, UL489
2907615 Phoenix Contact

2907615

CIR BRKR 10A 480VAC 125VDC

Phoenix Contact

4,046 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 10A 480 V 125 V Lever 3 - - cULus, UL489
1010305 Phoenix Contact

1010305

TMC 83C 40A

Phoenix Contact

3,414 -
Datasheet TMC Bulk Active DIN Rail Thermal Magnetic 40A 240 V - Lever 3 - - cULus, TUV, UL489
2907624 Phoenix Contact

2907624

CIR BRKR 30A 480VAC 125VDC

Phoenix Contact

4,872 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 30A 480 V 125 V Lever 3 - - cULus, UL489
1010302 Phoenix Contact

1010302

TMC 83C 50A

Phoenix Contact

1,563 -
Datasheet TMC Bulk Active DIN Rail Thermal Magnetic 50A 240 V - Lever 3 - - cULus, UL489
2907691 Phoenix Contact

2907691

CIR BRKR 30A 480VAC 125VDC

Phoenix Contact

4,390 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 30A 480 V 125 V Lever 3 - - cULus, UL489
2907625 Phoenix Contact

2907625

CIR BRKR 32A 480VAC 125VDC

Phoenix Contact

4,450 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 32A 480 V 125 V Lever 3 - - cULus, UL489
2907674 Phoenix Contact

2907674

CIR BRKR 1A 480VAC 125VDC

Phoenix Contact

4,267 -
Datasheet TMC 8 Box Active DIN Rail Thermal Magnetic 1A 480 V 125 V Lever 3 - - cULus, UL489
5SY41048 Siemens

5SY41048

SUP PTOR 5SY4 1P 240V 4A 7.5K D-

Siemens

1,855 -
Datasheet SENTRON Box Active DIN Rail - 4A 400 V 72 V Lever 1 None - CCC, CE, EAC, UR, VDE
2478200000 Weidmüller

2478200000

CB MCB 489 2P C 20A ACDC

Weidmüller

1,430 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 20A 480 V 125 V Lever 2 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
2478080000 Weidmüller

2478080000

CB MCB 489 2P C 2A ACDC

Weidmüller

3,929 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 2A 480 V 125 V Lever 2 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
2478220000 Weidmüller

2478220000

CB MCB 489 2P C 30A ACDC

Weidmüller

1,198 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 30A 480 V 125 V Lever 2 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
2478950000 Weidmüller

2478950000

CB MCB 489 2P D 25A ACDC

Weidmüller

3,965 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 25A 480 V 125 V Lever 2 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
7940102182 Weidmüller

7940102182

CIR BRKR 200MA 250VAC 80VDC

Weidmüller

3,175 -
Datasheet CB4200 Bulk Active DIN Rail Thermal Magnetic 200mA 250 V 80 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
2478920000 Weidmüller

2478920000

CB MCB 489 2P D 15A ACDC

Weidmüller

4,406 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 15A 480 V 125 V Lever 2 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
2478270000 Weidmüller

2478270000

CB MCB 489 2P C 60A ACDC

Weidmüller

4,857 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 60A 240 V 125 V Lever 2 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
2478210000 Weidmüller

2478210000

CB MCB 489 2P C 25A ACDC

Weidmüller

4,967 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 25A 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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WINSUN SOURCING SUPPORT

Need Circuit Breakers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support
FREQUENTLY ASKED QUESTIONS

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.