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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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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
2480280000 Weidmüller

2480280000

CB PROTECTOR 1077 2P C 2A ACDC

Weidmüller

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-15A E-T-A

3120-N521-P7T1-W02D-15A

CIR BRKR THERM SWITCH 2P

E-T-A

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-20A E-T-A

3120-N521-P7T1-W01D-20A

CIR BRKR THERM SWITCH 2P

E-T-A

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-10A E-T-A

3120-N321-P7T1-W02D-10A

CIR BRKR THRM 10A 250VAC 50VDC

E-T-A

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
2480390000 Weidmüller

2480390000

CB PROTECTOR 1077 2P C 20A ACDC

Weidmüller

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
2480310000 Weidmüller

2480310000

CB PROTECTOR 1077 2P C 5A ACDC

Weidmüller

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-01-31AL Sensata-Airpax

T21-2-30.0A-01-31AL

CIR BRKR MAG-HYDR 30A TOGGLE

Sensata-Airpax

1,970 -
Datasheet SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 30A - - Toggle 2 - - -
2481040000 Weidmüller

2481040000

CB PROTECTOR 1077 2P D 6A ACDC

Weidmüller

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
2481130000 Weidmüller

2481130000

CB PROTECTOR 1077 2P D 30A ACDC

Weidmüller

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
201-2A E-T-A

201-2A

CIR BRK THRM-MAG 2A 240VAC/65VDC

E-T-A

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
201-15A E-T-A

201-15A

CIR BRK THRM-MG 15A 240VAC/65VDC

E-T-A

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
1020035 Phoenix Contact

1020035

CIRCUIT BRAKER 60A

Phoenix Contact

1,784 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 60A 277 V - Lever 3 None - cULus, UL1077
1020101 Phoenix Contact

1020101

CIRCUIT BRAKER 40A

Phoenix Contact

1,581 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 40A 277 V - Lever 3 None - cULus, UL1077
1020103 Phoenix Contact

1020103

CIRCUIT BRAKER 50A

Phoenix Contact

2,285 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 50A 277 V - Lever 3 None - cULus, UL1077
1020026 Phoenix Contact

1020026

CIRCUIT BRAKER 15A

Phoenix Contact

3,353 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 15A 277 V - Lever 3 None - cULus, UL1077
1020097 Phoenix Contact

1020097

CIRCUIT BRAKER 20A

Phoenix Contact

1,511 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 20A 277 V - Lever 3 None - cULus, UL1077
2800843 Phoenix Contact

2800843

CIR BRKR 10A 277VAC 50VDC

Phoenix Contact

2,280 -
Datasheet CB Bulk Active Holder Thermal Magnetic 10A 277 V 50 V Slide Switch 1 - - -
2800851 Phoenix Contact

2800851

CIR BRKR THRMMAG 5A 277VAC 50VDC

Phoenix Contact

4,962 -
Datasheet CB Bulk Active Holder Thermal Magnetic 5A 277 V 50 V Slide Switch 1 - - -
3120-N324-P7T1-W01D-20A E-T-A

3120-N324-P7T1-W01D-20A

CIR BRKR THRM SWITCH 20A IP65

E-T-A

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-W14DR4-15A E-T-A

3120-N321-P7T1-W14DR4-15A

CIR BRKR THRM 15A 250VAC 50VDC

E-T-A

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
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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.

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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.