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Circuit Breakers

Photo Mfr. Part # Availability 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
1278760000 Weidmüller electronic component

1278760000

CIRCUIT BREAKER THRM 6A 28VDC

Weidmüller

7,390
RFQ

Datasheet

- Bulk Active Holder Thermal 6A - 28 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
1278770000 Weidmüller electronic component

1278770000

CIR BRKR THRM 7.5A 28VDC

Weidmüller

2,182
RFQ

Datasheet

- Bulk Active Holder Thermal 7.5A - 28 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
1278790000 Weidmüller electronic component

1278790000

CIR BRKR THRM 10A 28VDC

Weidmüller

2,737
RFQ

Datasheet

- Bulk Active Holder Thermal 10A - 28 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
19027-9 TE Application Tooling electronic component

19027-9

CIRCUIT BREAKER,THERMAL

TE Application Tooling

5,139
RFQ

-

* Bulk Active - - - - - - - - - -
R11-3-20.0A-R121EV Sensata-Airpax electronic component

R11-3-20.0A-R121EV

CIR BRKR MAG-HYDR 20A ROCKER

Sensata-Airpax

7,487
RFQ

Datasheet

SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A - - Rocker 1 Red 250V -
R11-62F-5.00A-B102CV-V Sensata-Airpax electronic component

R11-62F-5.00A-B102CV-V

CIR BRKR,HYDMAG

Sensata-Airpax

4,016
RFQ

Datasheet

SNAPAK® Bulk Obsolete Panel Mount Magnetic (Hydraulic Delay) 5A 250 V 65 V Rocker 1 Green 250V CCC, CSA, TUV, UL1077
3120-N314-P7T1-W12DY3-20A E-T-A electronic component

3120-N314-P7T1-W12DY3-20A

CIR BRKR THERM SWITCH 1P

E-T-A

3,622
RFQ

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 1 White 115V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N314-P7T1-W15FY3-5A E-T-A electronic component

3120-N314-P7T1-W15FY3-5A

CIR BRKR THERM SWITCH 1P

E-T-A

4,063
RFQ

Datasheet

3120-N Bulk Active Panel Mount Thermal 5A 415 V 50 V Rocker 1 Orange 115V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N314-P7T1-W16FT3-16A E-T-A electronic component

3120-N314-P7T1-W16FT3-16A

MIN ORD QTY 10. THE 3120-N...4 I

E-T-A

7,448
RFQ

Datasheet

3120-N Bulk Active Panel Mount, Snap-In Thermal Magnetic 16A 240 V 50 V Rocker 1 Blue 115V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, KC 60934, UL1077
3120-N314-P7T1-W19FG2-20A E-T-A electronic component

3120-N314-P7T1-W19FG2-20A

MIN ORD QTY 10. THE 3120-N...4 I

E-T-A

7,053
RFQ

Datasheet

3120-N Bulk Active Panel Mount, Snap-In Thermal Magnetic 20A 240 V 50 V Rocker 1 Green 24V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, KC 60934, UL1077
3120-N514-P7T1-W19DG4-4A E-T-A electronic component

3120-N514-P7T1-W19DG4-4A

MIN ORD QTY 10. THE 3120-N...4 I

E-T-A

2,919
RFQ

Datasheet

3120-N Bulk Active Panel Mount, Snap-In Thermal Magnetic 4A 240 V 50 V Rocker 1 Green 230V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, KC 60934, UL1077
3120-N314-P7T1-W19FG3-20A E-T-A electronic component

3120-N314-P7T1-W19FG3-20A

MIN ORD QTY 10. THE 3120-N...4 I

E-T-A

7,439
RFQ

Datasheet

3120-N Bulk Active Panel Mount, Snap-In Thermal Magnetic 20A 240 V 50 V Rocker 1 Green 115V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, KC 60934, UL1077
3120-N514-P7T1-W19DG3-5A E-T-A electronic component

3120-N514-P7T1-W19DG3-5A

MIN ORD QTY 10. THE 3120-N...4 I

E-T-A

2,436
RFQ

Datasheet

3120-N Bulk Active Panel Mount, Snap-In Thermal Magnetic 5A 240 V 50 V Rocker 1 Green 115V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, KC 60934, UL1077
3120-N314-H7T1-W19FG3-12A E-T-A electronic component

3120-N314-H7T1-W19FG3-12A

MIN ORD QTY 10. THE 3120-N...4 I

E-T-A

3,863
RFQ

Datasheet

3120-N Bulk Active Panel Mount, Snap-In Thermal Magnetic 12A 240 V 50 V Rocker 1 Green 115V CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, KC 60934, UL1077
157-K10-10A E-T-A electronic component

157-K10-10A

CIRC BRKR THRM

E-T-A

2,008
RFQ

Datasheet

157 Bulk Obsolete Panel Mount Thermal 10A 250 V 50 V Push to Reset 1 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
157-K10-20A E-T-A electronic component

157-K10-20A

CIRC BRKR THRM

E-T-A

4,451
RFQ

Datasheet

157 Bulk Obsolete Panel Mount Thermal 20A 250 V 50 V Push to Reset 1 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
R11S-4-2.00A-39508-2 Sensata-Airpax electronic component

R11S-4-2.00A-39508-2

CIR BRKR MAG-HYDR 2A ROCKER

Sensata-Airpax

6,234
RFQ

Datasheet

SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 2A - - Rocker 1 - - -
R11S-4-3.00A-39508-3 Sensata-Airpax electronic component

R11S-4-3.00A-39508-3

CIR BRKR MAG-HYDR 3A ROCKER

Sensata-Airpax

7,814
RFQ

Datasheet

SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 3A - - Rocker 1 - - -
R11S-4-5.00A-39508-5 Sensata-Airpax electronic component

R11S-4-5.00A-39508-5

CIR BRKR MAG-HYDR 5A ROCKER

Sensata-Airpax

2,372
RFQ

Datasheet

SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A - - Rocker 1 - - -
R11S-4-6.00A-39508-6 Sensata-Airpax electronic component

R11S-4-6.00A-39508-6

CIR BRKR MAG-HYDR 6A ROCKER

Sensata-Airpax

2,418
RFQ

Datasheet

SNAPAK® Bulk Active Panel Mount Magnetic (Hydraulic Delay) 6A - - Rocker 1 - - -
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Circuit Breakers Electronic Components

Explore Circuit Breakers electronic components, related subcategories, product specifications, datasheets and sourcing options. We support original component procurement, BOM sourcing and RFQ services for engineers, distributors and global buyers.

Frequently Asked Questions

Q1: What products are included in Circuit Breakers?
This category includes related Circuit Breakers subcategories and electronic components from multiple manufacturers. Select a lower-level category to view available part numbers.

Q2: Can I request a quotation for Circuit Breakers components?
Yes. Send us the part numbers and required quantities, and our team will provide sourcing and quotation support.

Q3: Are datasheets and technical information available?
Yes. Datasheets and technical information are available on supported final product pages and product listings.

Q4: Do you support BOM sourcing?
Yes. We support BOM matching, component procurement and alternative sourcing for Circuit Breakers and other electronic components.