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ELECTRONIC COMPONENTS

Circuit Breakers

Explore Circuit Breakers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks 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
R21-4-2.00A-9191-1-V Sensata-Airpax

R21-4-2.00A-9191-1-V

CIR BRKR MAGHYDR 2A 250VAC 65VDC

Sensata-Airpax

6,593
Datasheet SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 2A 250 V 65 V Rocker 2 - - -
NDB1-125C80-2 ASI-Automation Systems Interconnect

NDB1-125C80-2

80A, 240V AC, 60V DC, 2 Pole, Di

ASI-Automation Systems Interconnect

121
Datasheet NDB1-125 Retail Package Active DIN Rail High Current 80A 480 V 60 V Lever 2 None - CCC, UL1077
IEG1-1-51F-21.0-AQ-21-V Sensata-Airpax

IEG1-1-51F-21.0-AQ-21-V

CIR BRKR MAG-HYDR LEVER 21A

Sensata-Airpax

2,048
Datasheet IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 21A - - Lever 1 - - CSA, TUV, UL1077
3120-N521-H7T1-W19FG3-20A E-T-A

3120-N521-H7T1-W19FG3-20A

CIR BRKR THERM SWITCH 2P

E-T-A

3,061
Datasheet 3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 2 Green 115V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
153150 OptiFuse

153150

HIGH AMP CB-TYPE III MANUAL,150A

OptiFuse

9,387
Datasheet 153 Bulk Active - - 150A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153100 OptiFuse

153100

HIGH AMP CB-TYPE III MANUAL,100A

OptiFuse

6,003
Datasheet 153 Bulk Active - - 100A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153050 OptiFuse

153050

HIGH AMP CB-TYPE III MANUAL, 50A

OptiFuse

3,703
Datasheet 153 Bulk Active - - 50A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153120 OptiFuse

153120

HIGH AMP CB-TYPE III MANUAL,120A

OptiFuse

2,668
Datasheet 153 Bulk Active - - 120A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153080 OptiFuse

153080

HIGH AMP CB-TYPE III MANUAL, 80A

OptiFuse

1,938
Datasheet 153 Bulk Active - - 80A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153060 OptiFuse

153060

HIGH AMP CB-TYPE III MANUAL, 60A

OptiFuse

1,848
Datasheet 153 Bulk Active - - 60A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
151120 OptiFuse

151120

HIGH AMPS CB - TYPE I AUTO, 120A

OptiFuse

1,558
Datasheet 151 Bulk Active - - 120A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
151050 OptiFuse

151050

HIGH AMPS CB - TYPE I AUTO, 50A

OptiFuse

1,542
Datasheet 151 Bulk Active - - 50A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
151080 OptiFuse

151080

HIGH AMPS CB - TYPE I AUTO, 80A

OptiFuse

1,525
Datasheet 151 Bulk Active - - 80A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
151070 OptiFuse

151070

HIGH AMPS CB - TYPE I AUTO, 70A

OptiFuse

1,267
Datasheet 151 Bulk Active - - 70A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
153040 OptiFuse

153040

HIGH AMP CB-TYPE III MANUAL, 40A

OptiFuse

1,161
Datasheet 153 Bulk Active - - 40A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
143080 OptiFuse

143080

HIGH AMP CB-TYPE III MANUAL, 80A

OptiFuse

902
Datasheet 143 Bulk Active - - 80A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153090 OptiFuse

153090

HIGH AMP CB-TYPE III MANUAL, 90A

OptiFuse

777
Datasheet 153 Bulk Active - - 90A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
153030 OptiFuse

153030

HIGH AMP CB-TYPE III MANUAL, 30A

OptiFuse

757
Datasheet 153 Bulk Active - - 30A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
151150 OptiFuse

151150

HIGH AMPS CB - TYPE I AUTO, 150A

OptiFuse

574
Datasheet 151 Bulk Active - - 150A - 42 V Automatic Reset 1 None - ABYC-E11, IP 67, SAE J1171, SAE J1625
143040 OptiFuse

143040

HIGH AMP CB-TYPE III MANUAL, 40A

OptiFuse

567
Datasheet 143 Bulk Active - - 40A - 42 V Push to Reset 1 None - ABYC-E11, IEC 60934, IP 67, SAE J1171, SAE J1625
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FAQ

Frequently Asked Questions

What are Circuit Breakers components used for?

Circuit Breakers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right Circuit Breakers part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find Circuit Breakers parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.

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