Circuit Breakers

Manufacturer 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

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Circuit Breakers

Circuit Breakers are circuit protection devices used to interrupt current during overcurrent, short-circuit or fault conditions. Unlike one-time fuses, many circuit breakers can be reset after the fault is cleared, making them suitable for systems that require repeatable protection, maintenance convenience and reliable electrical safety.

This category includes thermal circuit breakers, magnetic circuit breakers, thermal-magnetic circuit breakers, resettable circuit breakers, panel mount circuit breakers and related overcurrent protection devices. These components are commonly selected based on current rating, voltage rating, trip characteristics, breaking capacity, reset type, mounting method, package style, safety approvals and application requirements.

TomatoElec supplies original Circuit Breakers from recognized manufacturers such as Littelfuse, Eaton, TE Connectivity, Schurter, Phoenix Contact, Schneider Electric, Siemens, Sensata and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

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
5SJ42087HG41

5SJ42087HG41

MCB 5SJ4 2P 240V 8A 14K C-TRIP

Siemens

10 -
RFQ
5SJ42087HG41

Datasheet

5SJ4 Bulk Active DIN Rail - 8A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42058HG41

5SJ42058HG41

MCB 5SJ4 2P 240V 0.5A 14K D-TRIP

Siemens

4 -
RFQ
5SJ42058HG41

Datasheet

SENTRON Box Active DIN Rail - 500mA 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
IUGN66-1-72-40.0

IUGN66-1-72-40.0

CIR BRKR MAG-HYDR 40A TOGGLE

Sensata-Airpax

6 -
RFQ
IUGN66-1-72-40.0

Datasheet

IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 40A - - Toggle 2 - - -
IUGN66-1-61-10.0

IUGN66-1-61-10.0

CIR BRKR MAG-HYDR LEVER 10A

Sensata-Airpax

3 -
RFQ
IUGN66-1-61-10.0

Datasheet

IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A - - Toggle 2 - - -
IUGN66-1-72-5.00

IUGN66-1-72-5.00

CIR BRKR MAG-HYDR 5A TOGGLE

Sensata-Airpax

3 -
RFQ
IUGN66-1-72-5.00

Datasheet

IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A 250 V 80 V Toggle 2 - - UL1077
IUGN66-1-52-50.0-AM

IUGN66-1-52-50.0-AM

CIR BRKR MAG-HYDR

Sensata-Airpax

3 -
RFQ
IUGN66-1-52-50.0-AM

Datasheet

IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 35A 250 V 80 V Toggle 2 None - -
412-K54-FN2-10A

412-K54-FN2-10A

CIR BRKR THRM 10A 115VAC 28VDC

E-T-A

4 -
RFQ
412-K54-FN2-10A

Datasheet

412 Bulk Active Panel Mount Thermal 10A 115 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, UL1077
US2:SMFFG1

US2:SMFFG1

STARTER,MANUAL,TOGGLE SWITCH,1-U

Siemens

2 -
RFQ
US2:SMFFG1

Datasheet

SMF Box Active DIN Rail Manual Motor Starter - - - Rotary - None - UL
5SJ42207HG41

5SJ42207HG41

STANDARD FRAME 1 POLE 240VAC

Siemens

4 -
RFQ
5SJ42207HG41

Datasheet

- Bulk Active DIN Rail - 20A 440 V 60 V Lever 2 None - CCC, CE, CSA, UL, VDE
ESS31-TC-002-DC24V-1A

ESS31-TC-002-DC24V-1A

CIR BRKR SS 1A 24VDC PUSHBUTTON

E-T-A

14 -
RFQ
ESS31-TC-002-DC24V-1A

Datasheet

ESS31-T Bulk Active DIN Rail Solid State 1A - 30 V Pushbutton 1 Green, Orange, Red - EN60934, UL1077
412-K14-LN2-1A

412-K14-LN2-1A

CIR BRKR THRM 1A 115VAC 28VDC

E-T-A

3 -
RFQ
412-K14-LN2-1A

Datasheet

412 Bulk Active Panel Mount Thermal 1A 115 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, UL1077
IEGHS62-1REC4-27263-1-V

IEGHS62-1REC4-27263-1-V

CIR BRKR MAG-HYDR LEVER

Sensata-Airpax

10 -
RFQ
IEGHS62-1REC4-27263-1-V

Datasheet

IEG Bulk Active Panel Mount Magnetic (Hydraulic Delay) - - - Lever - - - CSA, TUV, UL1077
5SJ42187HG42

5SJ42187HG42

MCB 5SJ4 2P 480/277 15A 10K C-TR

Siemens

4 -
RFQ
5SJ42187HG42

Datasheet

5SJ4 Bulk Active DIN Rail - 15A 400 V 125 V Lever 2 None - CCC, CE, CSA, UL, VDE
5SJ42307HG42

5SJ42307HG42

MCB 5SJ4 2P 480/277 30A 10K C-TR

Siemens

2 -
RFQ
5SJ42307HG42

Datasheet

5SJ4 Bulk Active DIN Rail - 30A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
IUGN66-1-72-2.50

IUGN66-1-72-2.50

CIR BRKR MAG-HYDR 2.5A TOGGLE

Sensata-Airpax

2 -
RFQ
IUGN66-1-72-2.50

Datasheet

IUG Bulk Active Panel Mount Magnetic (Hydraulic Delay) 2.5A 250 V 80 V Toggle 2 None - UL1077
ESS30-S003-DC24V-2A

ESS30-S003-DC24V-2A

CIR BRKR SS 2A 24VDC PUSHBUTTON

E-T-A

10 -
RFQ
ESS30-S003-DC24V-2A

Datasheet

ESS30-S Bulk Active Holder Solid State 2A - 30 V Pushbutton 1 Green, Orange, Red - IEC 60934, UL1077
ESS30-S003-DC24V-4A

ESS30-S003-DC24V-4A

CIR BRKR SS 4A 24VDC PUSHBUTTON

E-T-A

9 -
RFQ
ESS30-S003-DC24V-4A

Datasheet

ESS30-S Bulk Active Holder Solid State 4A - 30 V Pushbutton 1 Green, Orange, Red - IEC 60934, UL1077
ESS30-S003-DC24V-10A

ESS30-S003-DC24V-10A

CIR BRKR SOLID STATE 10A 24VDC

E-T-A

3 -
RFQ
ESS30-S003-DC24V-10A

Datasheet

ESS30-S Bulk Active Holder Solid State 10A - 30 V Pushbutton 1 Green, Orange, Red - IEC 60934, UL1077
482-G111-K1M1-A1S0-15A

482-G111-K1M1-A1S0-15A

CIR BRKR THRM 15A 115VAC 28VDC

E-T-A

8 -
RFQ
482-G111-K1M1-A1S0-15A

Datasheet

482 Bulk Active Panel Mount Thermal 15A 230 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, IEC 60934, UL1077
IELHK11-1-72-50.0-01-V

IELHK11-1-72-50.0-01-V

CIR BRKR 50A 240VAC 80VDC

Sensata-Airpax

18 -
RFQ
IELHK11-1-72-50.0-01-V

Datasheet

IEL Bulk Active Panel Mount Magnetic (Hydraulic Delay) 50A 240 V 80 V Lever 2 None - UL1077
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