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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
1019945 Phoenix Contact

1019945

CIRCUIT BRAKER 30A

Phoenix Contact

3,210 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 30A 277 V 125 V Lever 2 None - cULus, UL1077
1020077 Phoenix Contact

1020077

CIRCUIT BRAKER 32A

Phoenix Contact

1,145 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 32A 277 V 125 V Lever 2 None - cULus, UL1077
1020064 Phoenix Contact

1020064

CIRCUIT BREAKER 4A

Phoenix Contact

4,331 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 4A 277 V 125 V Lever 2 None - cULus, UL1077
1019947 Phoenix Contact

1019947

CIRCUIT BRAKER 40A

Phoenix Contact

2,763 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 40A 277 V 125 V Lever 2 None - cULus, UL1077
1020076 Phoenix Contact

1020076

CIRCUIT BRAKER 30A

Phoenix Contact

3,920 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 30A 277 V 125 V Lever 2 None - cULus, UL1077
1020079 Phoenix Contact

1020079

CIRCUIT BRAKER 50A

Phoenix Contact

2,308 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 50A 277 V 125 V Lever 2 None - cULus, UL1077
1019937 Phoenix Contact

1019937

CIRCUIT BRAKER 8A

Phoenix Contact

2,584 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 8A 277 V 125 V Lever 2 None - cULus, UL1077
1020068 Phoenix Contact

1020068

CIRCUIT BRAKER 8A

Phoenix Contact

1,735 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 8A 277 V 125 V Lever 2 None - cULus, UL1077
1020078 Phoenix Contact

1020078

CIRCUIT BRAKER 40A

Phoenix Contact

3,922 -
Datasheet TMC 7 Box Active DIN Rail Thermal Magnetic 40A 277 V 125 V Lever 2 None - cULus, UL1077
1110-F212-P1M1-4A E-T-A

1110-F212-P1M1-4A

CIR BRKR THRM 4A 250VAC 50VDC

E-T-A

1,447 -
Datasheet 1110 Bulk Active Panel Mount Thermal 4A 250 V 50 V Push-Push 1 None - CSA C22.2 No 235, IEC 60934, UL1077
201-1A E-T-A

201-1A

CIR BRK THRM-MAG 1A 240VAC/65VDC

E-T-A

2,955 -
Datasheet 201 Bulk Active DIN Rail Thermal Magnetic 1A 250 V 80 V Pushbutton 1 None - CSA C22.2 No 235, IEC 60934, UL1077
1110-F212-P1M1-7A E-T-A

1110-F212-P1M1-7A

CIR BRKR THRM 7A 250VAC 50VDC

E-T-A

1,578 -
Datasheet 1110 Bulk Active Panel Mount Thermal 7A 250 V 50 V Push-Push 1 None - CSA C22.2 No 235, IEC 60934, UL1077
4430.205 SCHURTER Inc.

4430.205

CIR BRKR THRM 16A 240VAC 60VDC

SCHURTER Inc.

1,533 -
Datasheet TA45 Bulk Active Panel Mount Thermal 16A 240 V 60 V Rocker 2 Green 220V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077
2-6500-P10-7A E-T-A

2-6500-P10-7A

CIR BRKR THRM 7A

E-T-A

4,460 -
Datasheet 2-6500 Bulk Active Panel Mount Thermal 7A 250 V 28 V Automatic Reset 1 None - CSA C22.2 No 235, UL1077
2478010000 Weidmüller

2478010000

CB MCB 489 1P C 50A ACDC

Weidmüller

4,042 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 50A 120 V 60 V Lever 1 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
2478720000 Weidmüller

2478720000

CB MCB 489 1P D 30A ACDC

Weidmüller

3,904 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 30A 277 V 60 V Lever 1 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
C20A1P American Electrical Inc.

C20A1P

CIR BRKR MAG-HYDR 20A 480VAC

American Electrical Inc.

3,615 -
Datasheet - Tray Active DIN Rail Magnetic (Hydraulic Delay) 20A 480 V - Lever 1 - - CE, UL1077, UR
7940102585 Weidmüller

7940102585

CIR BRKR MAG-HYDR 25A 120VAC

Weidmüller

1,117 -
Datasheet 9926 Box Active DIN Rail Magnetic (Hydraulic Delay) 25A 120 V - Lever 1 - - CE, CSA C22.2 No 5-02, UL489, VDE
8000-0099/0000-4163 WAGO Corporation

8000-0099/0000-4163

8.0A AC250V DC65V CIRCUIT BREAKE

WAGO Corporation

1,405 -
Datasheet 8001 Bulk Active Holder - 8A 250 V 65 V Pushbutton 1 None - -
2515520000 Weidmüller

2515520000

CB MCB 489 1P D 5A ACDC

Weidmüller

1,514 -
Datasheet MCB 489 Bulk Active DIN Rail Thermal Magnetic 5A 277 V 60 V Lever 1 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
Total 59416 Record«Prev1... 104105106107108109110111...2971Next»
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.