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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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Datasheets & Specifications Access technical references quickly
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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
1221-260-060-B30 Mechanical Products

1221-260-060-B30

CIR BRKR THRM 6A 250VAC 50VDC

Mechanical Products

2,542 -
Datasheet 12 Bulk Active Panel Mount Thermal 6A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
1224-360-150-B30 Mechanical Products

1224-360-150-B30

CIR BRKR THRM 15A 250VAC 50VDC

Mechanical Products

8,338 -
Datasheet 12 Bulk Active Panel Mount Thermal 15A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
1221-760-030-B30 Mechanical Products

1221-760-030-B30

CIR BRKR THRM 3A 250VAC 50VDC

Mechanical Products

8,067 -
Datasheet 12 Bulk Active Panel Mount Thermal 3A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
1221-760-150-B30 Mechanical Products

1221-760-150-B30

CIR BRKR THRM 15A 250VAC 50VDC

Mechanical Products

5,321 -
Datasheet 12 Bulk Active Panel Mount Thermal 15A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
1223-160-030-B20 Mechanical Products

1223-160-030-B20

CIR BRKR THRM 3A 250VAC 50VDC

Mechanical Products

8,403 -
Datasheet 12 Bulk Active Panel Mount Thermal 3A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
1227-560-100 Mechanical Products

1227-560-100

CIR BRKR THRM 10A 250VAC 50VDC

Mechanical Products

8,053 -
Datasheet 12 Bulk Active Panel Mount, Snap-In Thermal 10A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
1224-160-120-B30 Mechanical Products

1224-160-120-B30

CIR BRKR THRM 12A 250VAC 50VDC

Mechanical Products

5,058 -
Datasheet 12 Bulk Active Panel Mount Thermal 12A - 50 V Push to Reset 1 - - ABYC-E11, UL1077
SU203M-C50 ABB Control

SU203M-C50

Circ Brkr UL489 50A, 3 Pole, C

ABB Control

7,131 -
Datasheet - Retail Package Active DIN Rail Thermal 50A 277 V - Lever 3 None - CE, CSA, UL489
ST202M-C2 ABB Control

ST202M-C2

Circ Brkr UL1077 2 A, 2 Pole, C

ABB Control

2,480 -
Datasheet - Retail Package Active DIN Rail Thermal 2A 277 V - Lever 2 None - CE, CSA, VDE, UL1077
ST203M-C15 ABB Control

ST203M-C15

Circ Brkr UL1077 15A, 3 Pole, C

ABB Control

5,008 -
Datasheet - Retail Package Active DIN Rail Thermal 15A 277 V - Lever 3 None - CE, CSA, VDE, UL1077
SU201M-C15 ABB Control

SU201M-C15

Circ Brkr UL489 15A, 1 Pole, C

ABB Control

7,601 -
Datasheet - Retail Package Active DIN Rail Thermal 15A 277 V - Lever 1 None - CE, CSA, UL489
SU202M-C10 ABB Control

SU202M-C10

Circ Brkr UL489 10A, 2 Pole, C

ABB Control

4,981 -
Datasheet - Retail Package Active DIN Rail Thermal 10A 277 V - Lever 2 None - CE, CSA, UL489
SU203M-C10 ABB Control

SU203M-C10

Circ Brkr UL489 10A, 3 Pole, C

ABB Control

8,102 -
Datasheet - Retail Package Active DIN Rail Thermal 10A 277 V - Lever 3 None - CE, CSA, UL489
ST203M-C25 ABB Control

ST203M-C25

Circ Brkr UL1077 25A, 3 Pole, C

ABB Control

7,569 -
Datasheet - Retail Package Active DIN Rail Thermal 25A 277 V - Lever 3 None - CE, CSA, VDE, UL1077
SU203M-C15 ABB Control

SU203M-C15

Circ Brkr UL489 15A, 3 Pole, C

ABB Control

3,537 -
Datasheet - Retail Package Active DIN Rail Thermal 15A 277 V - Lever 3 None - CE, CSA, UL489
ST201M-C15 ABB Control

ST201M-C15

Circ Brkr UL1077 15A, 1 Pole, C

ABB Control

8,980 -
Datasheet - Retail Package Active DIN Rail Thermal 15A 277 V - Lever 1 None - CE, CSA, VDE, UL1077
ST203M-C30 ABB Control

ST203M-C30

Circ Brkr UL1077 30A, 3 Pole, C

ABB Control

8,291 -
Datasheet - Retail Package Active DIN Rail Thermal 30A 277 V - Lever 3 None - CE, CSA, VDE, UL1077
ST201M-C10 ABB Control

ST201M-C10

Circ Brkr UL1077 10A, 1 Pole, C

ABB Control

4,512 -
Datasheet - Retail Package Active DIN Rail Thermal 10A 277 V - Lever 1 None - CE, CSA, VDE, UL1077
SU201M-C10 ABB Control

SU201M-C10

Circ Brkr UL489 10A, 1 Pole, C

ABB Control

3,690 -
Datasheet - Retail Package Active DIN Rail Thermal 10A 277 V - Lever 1 None - CE, CSA, UL489
ST201M-C5 ABB Control

ST201M-C5

Circ Brkr UL1077 5A, 1 Pole, C

ABB Control

2,914 -
Datasheet - Retail Package Active DIN Rail Thermal 5A 277 V - Lever 1 None - CE, CSA, VDE, 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.

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.