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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
2480280000CB PROTECTOR 1077 2P C 2A ACDC |
4,212 | - |
|
Datasheet | MCB 1077 | 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, UL1077, VDE |
|
3120-N521-P7T1-W02D-15ACIR BRKR THERM SWITCH 2P |
4,372 | - |
|
Datasheet | 3120-N | Bulk | Active | Panel Mount | Thermal | 15A | 415 V | 50 V | Rocker | 2 | None | - | CSA C22.2 No 235, GB 17701, IEC 60934, UL1077 |
|
3120-N521-P7T1-W01D-20ACIR BRKR THERM SWITCH 2P |
2,513 | - |
|
Datasheet | 3120-N | Bulk | Active | Panel Mount | Thermal | 20A | 415 V | 50 V | Rocker | 2 | None | - | CSA C22.2 No 235, GB 17701, IEC 60934, UL1077 |
|
3120-N321-P7T1-W02D-10ACIR BRKR THRM 10A 250VAC 50VDC |
1,126 | - |
|
Datasheet | 3120-N | Box | Active | Panel Mount | Thermal | 10A | 415 V | 50 V | Rocker | 2 | None | - | CSA C22.2 No 235, GB 17701, IEC 60934, UL1077 |
|
2480390000CB PROTECTOR 1077 2P C 20A ACDC |
4,002 | - |
|
Datasheet | MCB 1077 | 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, UL1077, VDE |
|
2480310000CB PROTECTOR 1077 2P C 5A ACDC |
4,974 | - |
|
Datasheet | MCB 1077 | 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, UL1077, VDE |
|
T21-2-30.0A-01-31ALCIR BRKR MAG-HYDR 30A TOGGLE |
1,970 | - |
|
Datasheet | SNAPAK® | Bulk | Active | Panel Mount | Magnetic (Hydraulic Delay) | 30A | - | - | Toggle | 2 | - | - | - |
|
2481040000CB PROTECTOR 1077 2P D 6A ACDC |
1,901 | - |
|
Datasheet | MCB 1077 | 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, UL1077, VDE |
|
2481130000CB PROTECTOR 1077 2P D 30A ACDC |
3,788 | - |
|
Datasheet | MCB 1077 | 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, UL1077, VDE |
|
201-2ACIR BRK THRM-MAG 2A 240VAC/65VDC |
3,017 | - |
|
Datasheet | 201 | Bulk | Active | DIN Rail | Thermal Magnetic | 2A | 250 V | 80 V | Pushbutton | 1 | None | - | CSA C22.2 No 235, IEC 60934, UL1077 |
|
201-15ACIR BRK THRM-MG 15A 240VAC/65VDC |
1,407 | - |
|
Datasheet | 201 | Bulk | Active | DIN Rail | Thermal Magnetic | 15A | 250 V | 80 V | Pushbutton | 1 | None | - | CSA C22.2 No 235, IEC 60934, UL1077 |
|
1020035CIRCUIT BRAKER 60A |
1,784 | - |
|
Datasheet | TMC 7 | Box | Active | DIN Rail | Thermal Magnetic | 60A | 277 V | - | Lever | 3 | None | - | cULus, UL1077 |
|
1020101CIRCUIT BRAKER 40A |
1,581 | - |
|
Datasheet | TMC 7 | Box | Active | DIN Rail | Thermal Magnetic | 40A | 277 V | - | Lever | 3 | None | - | cULus, UL1077 |
|
1020103CIRCUIT BRAKER 50A |
2,285 | - |
|
Datasheet | TMC 7 | Box | Active | DIN Rail | Thermal Magnetic | 50A | 277 V | - | Lever | 3 | None | - | cULus, UL1077 |
|
1020026CIRCUIT BRAKER 15A |
3,353 | - |
|
Datasheet | TMC 7 | Box | Active | DIN Rail | Thermal Magnetic | 15A | 277 V | - | Lever | 3 | None | - | cULus, UL1077 |
|
1020097CIRCUIT BRAKER 20A |
1,511 | - |
|
Datasheet | TMC 7 | Box | Active | DIN Rail | Thermal Magnetic | 20A | 277 V | - | Lever | 3 | None | - | cULus, UL1077 |
|
2800843CIR BRKR 10A 277VAC 50VDC |
2,280 | - |
|
Datasheet | CB | Bulk | Active | Holder | Thermal Magnetic | 10A | 277 V | 50 V | Slide Switch | 1 | - | - | - |
|
2800851CIR BRKR THRMMAG 5A 277VAC 50VDC |
4,962 | - |
|
Datasheet | CB | Bulk | Active | Holder | Thermal Magnetic | 5A | 277 V | 50 V | Slide Switch | 1 | - | - | - |
|
3120-N324-P7T1-W01D-20ACIR BRKR THRM SWITCH 20A IP65 |
1,822 | - |
|
Datasheet | 3120-N | Box | Active | Panel Mount | Thermal | 20A | 415 V | 50 V | Rocker | 2 | None | - | CSA C22.2 No 235, GB 17701, IEC 60934, UL1077 |
|
3120-N321-P7T1-W14DR4-15ACIR BRKR THRM 15A 250VAC 50VDC |
2,116 | - |
|
Datasheet | 3120-N | Box | Active | Panel Mount | Thermal | 15A | 415 V | 50 V | Rocker | 2 | Red | 230V | 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.