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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
143120 OptiFuse

143120

HIGH AMP CB-TYPE III MANUAL,120A

OptiFuse

433 -
Datasheet 143 Bulk Active - - 120A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
143150 OptiFuse

143150

HIGH AMP CB-TYPE III MANUAL,150A

OptiFuse

307 -
Datasheet 143 Bulk Active - - 150A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153070 OptiFuse

153070

HIGH AMP CB-TYPE III MANUAL, 70A

OptiFuse

253 -
Datasheet 153 Bulk Active - - 70A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
151135 OptiFuse

151135

HIGH AMPS CB - TYPE I AUTO, 135A

OptiFuse

245 -
Datasheet 151 Bulk Active - - 135A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
141120 OptiFuse

141120

HIGH AMPS CB - TYPE I AUTO, 120A

OptiFuse

200 -
Datasheet 141 Bulk Active - - 120A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
141050 OptiFuse

141050

HIGH AMPS CB - TYPE I AUTO, 50A

OptiFuse

199 -
Datasheet 141 Bulk Active - - 50A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
141150 OptiFuse

141150

HIGH AMPS CB - TYPE I AUTO, 150A

OptiFuse

199 -
Datasheet 141 Bulk Active - - 150A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
141080 OptiFuse

141080

HIGH AMPS CB - TYPE I AUTO, 80A

OptiFuse

196 -
Datasheet 141 Bulk Active - - 80A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
141100 OptiFuse

141100

HIGH AMPS CB - TYPE I AUTO, 100A

OptiFuse

180 -
Datasheet 141 Bulk Active - - 100A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
141060 OptiFuse

141060

HIGH AMPS CB - TYPE I AUTO, 60A

OptiFuse

179 -
Datasheet 141 Bulk Active - - 60A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153135 OptiFuse

153135

HIGH AMP CB-TYPE III MANUAL,135A

OptiFuse

129 -
Datasheet 153 Bulk Active - - 135A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
141040 OptiFuse

141040

HIGH AMPS CB - TYPE I AUTO, 40A

OptiFuse

4,251 -
Datasheet 141 Bulk Active - - 40A - 42 V Automatic Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
151100 OptiFuse

151100

HIGH AMPS CB - TYPE I AUTO, 100A

OptiFuse

4,787 -
Datasheet 151 Bulk Active - - 100A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
9102003200 Weidmüller

9102003200

CIR BRKR 15A 250VAC 80VDC

Weidmüller

2,138 -
Datasheet CB4200 Bulk Obsolete DIN Rail Thermal Magnetic 15A 250 V 80 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
IEGS6-1-62-5.00-01-V Sensata-Airpax

IEGS6-1-62-5.00-01-V

CIR BRKR MAG-HYDR LEVER 5A

Sensata-Airpax

4,461 -
Datasheet IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A - - Lever 1 - - CSA, TUV, UL1077
IEGBX0-36969-1-V Sensata-Airpax

IEGBX0-36969-1-V

CIR BRKR MAG-HYDR ROCKER

Sensata-Airpax

2,411 -
Datasheet IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Rocker - - - CSA, TUV, UL1077
IEGZX1-1-63-13.0-B3-V Sensata-Airpax

IEGZX1-1-63-13.0-B3-V

CIR BRKR MAG-HYDR 13A ROCKER

Sensata-Airpax

1,463 -
Datasheet IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 13A - - Rocker 1 - - CSA, TUV, UL1077
IEGS6-32215-15-V Sensata-Airpax

IEGS6-32215-15-V

CIR BRKR MAG-HYDR LEVER

Sensata-Airpax

1,159 -
Datasheet IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Lever 1 - - CSA, TUV, UL1077
NDB1-125C100-2 ASI-Ez

NDB1-125C100-2

A high current two pole 100 amp

ASI-Ez

4,995 -
Datasheet NDB1-125 Tape & Box (TB) Active DIN Rail - 100A 480 V 60 V Lever 2 None - CCC, UL1077
IEG111-27474-6-V Sensata-Airpax

IEG111-27474-6-V

CIR BRKR MAG-HYDR LEVER

Sensata-Airpax

4,035 -
Datasheet IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Lever 3 - - CSA, TUV, 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.