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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
5SY43106 Siemens electronic component

5SY43106

SUP PTOR 5SY4 3P 480V 10A 5K B-T

Siemens

3,807
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 10A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43405 Siemens electronic component

5SY43405

SUP PTOR 5SY4 3P 480V 40A 5K A-T

Siemens

4,622
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 40A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43135 Siemens electronic component

5SY43135

SUP PTOR 5SY4 3P 480V 13A 5K A-T

Siemens

9,690
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 13A 400 V 72 V Lever 3 None - CE, EAC, UR, VDE
5SY43166 Siemens electronic component

5SY43166

SUP PTOR 5SY4 3P 480V 16A 5K B-T

Siemens

8,584
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 16A 480 V - Lever 3 None - CSA C22.2 No 235, UL1077
5SY43256 Siemens electronic component

5SY43256

SUP PTOR 5SY4 3P 480V 25A 5K B-T

Siemens

3,850
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 25A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43158 Siemens electronic component

5SY43158

SUP PTOR 5SY4 3P 480V 1.6A 5K D-

Siemens

7,500
RFQ

Datasheet

5SY4 Bulk Active DIN Rail - 1.6A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
IULHK12-7716-1 Sensata-Airpax electronic component

IULHK12-7716-1

CIR BRKR HYD MAG

Sensata-Airpax

7,950
RFQ

Datasheet

- Bulk Active - - - - - - - - - -
482-G212-K1M1-A1S0-1A E-T-A electronic component

482-G212-K1M1-A1S0-1A

CIR BRKR THRM 1A 115VAC 28VDC

E-T-A

7,249
RFQ

Datasheet

482 Bulk Active Panel Mount Thermal 1A 230 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, IEC 60934, UL1077
482-G212-K1M1-A1S0-25A E-T-A electronic component

482-G212-K1M1-A1S0-25A

CIR BRKR THRM 25A 115VAC 28VDC

E-T-A

2,396
RFQ

Datasheet

482 Bulk Active Panel Mount Thermal 25A 230 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, IEC 60934, UL1077
482-G212-K1M1-A1S0-35A E-T-A electronic component

482-G212-K1M1-A1S0-35A

CIR BRKR THRM 35A 115VAC 28VDC

E-T-A

4,234
RFQ

Datasheet

482 Bulk Active Panel Mount Thermal 35A 230 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, IEC 60934, UL1077
482-G212-K1M1-A1S0-12A E-T-A electronic component

482-G212-K1M1-A1S0-12A

SINGLE POLE COMPACT HIGH PERFORM

E-T-A

3,981
RFQ

Datasheet

482 Bulk Active Panel Mount Thermal 12A 115 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, UL1077
7940117593 Weidmüller electronic component

7940117593

CB2212-10 W/O AUX 4.0A

Weidmüller

5,203
RFQ

-

* Bulk Obsolete - - - - - - - - - -
7940117630 Weidmüller electronic component

7940117630

CB2212-10 W/NO AUX 10A

Weidmüller

4,073
RFQ

-

* Bulk Obsolete - - - - - - - - - -
7940117554 Weidmüller electronic component

7940117554

CB2212-10 W/NC AUX 15A

Weidmüller

2,757
RFQ

-

* Bulk Obsolete - - - - - - - - - -
7940117600 Weidmüller electronic component

7940117600

CB2212-10 W/O AUX T1 16A

Weidmüller

7,566
RFQ

-

* Bulk Obsolete - - - - - - - - - -
IEGBX666-35123-30-V Sensata-Airpax electronic component

IEGBX666-35123-30-V

CIR BRKR MAG-HYDR ROCKER

Sensata-Airpax

3,560
RFQ

Datasheet

IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Rocker 3 - - CSA, TUV, UL1077
IEGF666-30298-344-V Sensata-Airpax electronic component

IEGF666-30298-344-V

CIR BRKR MAG-HYDR LEVER

Sensata-Airpax

9,102
RFQ

Datasheet

IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Lever 3 - - CSA, TUV, UL1077
DA2-B0-34-610-121-C Carling Technologies electronic component

DA2-B0-34-610-121-C

CIR BRKR 10A 480VAC 65VDC

Carling Technologies

8,830
RFQ

Datasheet

D Bulk Active DIN Rail Magnetic (Hydraulic Delay) 10A 480 V 65 V Lever 2 None - CSA, UL
CB184F-135 Eaton - Bussmann Electrical Division electronic component

CB184F-135

CIR BRKR 135A PUSH-RESET

Eaton - Bussmann Electrical Division

6,844
RFQ

Datasheet

CB184F Bulk Active Chassis Mount Thermal 135A - 42 V Lever 1 None - -
QOB320SWN Schneider Electric electronic component

QOB320SWN

MINIATURE CIRCUIT BREAKER 240V 2

Schneider Electric

5,733
RFQ

Datasheet

QO Box Obsolete Panel Mount Thermal Magnetic 20A 240 V - Lever 3 None - CSA, UL

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.