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
5SJ41167HG42

5SJ41167HG42

MCB 5SJ4 1P 277V 16A 10K C-TRIP

Siemens

4 -
RFQ
5SJ41167HG42

Datasheet

SENTRON Box Active DIN Rail - 16A 400 V 60 V Lever 1 None - CCC, CE, EAC, UL489
2C25UL

2C25UL

CIR BRKR THRM-MAG 25A LEVER

Altech Corporation

13 -
RFQ
2C25UL

Datasheet

UL Bulk Active DIN Rail Thermal Magnetic 25A 480 V - Lever 2 None - CE, cULus, UL489
5SJ41037HG42

5SJ41037HG42

MCB 5SJ4 1P 277V 3A 10K C-TRIP

Siemens

9 -
RFQ
5SJ41037HG42

Datasheet

5SJ4 Bulk Active DIN Rail - 3A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL489, VDE
412-K14-LN2-5A

412-K14-LN2-5A

CIR BRKR THRM 5A 115VAC 28VDC

E-T-A

12 -
RFQ
412-K14-LN2-5A

Datasheet

412 Bulk Active Panel Mount Thermal 5A 115 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, UL1077
HCB-2/30/L

HCB-2/30/L

120/240V 30A 2P CIRCUIT BREAKER,

Hartland Controls/Littelfuse

15 -
RFQ
HCB-2/30/L

Datasheet

HCB Box Active DIN Rail Thermal Magnetic 30A 240 V - Lever 2 None - CSA C22.2 No 5-02, UL489
412-K14-LN2-2A

412-K14-LN2-2A

CIR BRKR THRM 2A 115VAC 28VDC

E-T-A

19 -
RFQ
412-K14-LN2-2A

Datasheet

412 Bulk Active Panel Mount Thermal 2A 115 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, UL1077
7940102288

7940102288

CIR BRKR 300MA 250VAC 80VDC

Weidmüller

7 -
RFQ
7940102288

Datasheet

CB4200 Bulk Active DIN Rail Thermal Magnetic 300mA 250 V 80 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
7940102172

7940102172

CIR BRKR THRMMAG 8A 250VAC 80VDC

Weidmüller

6 -
RFQ
7940102172

Datasheet

CB4200 Bulk Active DIN Rail Thermal Magnetic 8A 250 V 80 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
7940126719

7940126719

CIR BRKR THRMMAG 6A 250VAC 80VDC

Weidmüller

3 -
RFQ
7940126719

Datasheet

CB4200 Bulk Active DIN Rail Thermal Magnetic 6A 250 V 80 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
413-K14-LN2-40A

413-K14-LN2-40A

CIR BRKR THRM 40A 115VAC 28VDC

E-T-A

15 -
RFQ
413-K14-LN2-40A

Datasheet

413 Bulk Active Panel Mount Thermal 40A 115 V 28 V Push-Pull Plunger 1 None - CSA C22.2 No 235, UL1077
3D30UM

3D30UM

CIR BRKR THRM-MAG 30A LEVER

Altech Corporation

19 -
RFQ
3D30UM

Datasheet

V-EA Bulk Active DIN Rail Thermal Magnetic 30A 480 V - Lever 3 None - CSA, UL508
3G30UM

3G30UM

CIR BRKR THRM-MAG 30A LEVER

Altech Corporation

9 -
RFQ
3G30UM

Datasheet

V-EA Bulk Active DIN Rail Thermal Magnetic 30A 480 V - Lever 3 None - CSA, UL508
2C50UL

2C50UL

CIR BRKR THRM-MAG 50A LEVER

Altech Corporation

6 -
RFQ
2C50UL

Datasheet

UL Bulk Active DIN Rail Thermal Magnetic 50A 240 V - Lever 2 None - CE, cULus, UL489
3D20UM

3D20UM

CIR BRKR THRM-MAG 20A LEVER

Altech Corporation

6 -
RFQ
3D20UM

Datasheet

V-EA Bulk Active DIN Rail Thermal Magnetic 20A 480 V - Lever 3 None - CSA, UL508, VDE
3G10UM

3G10UM

CIR BRKR THRM-MAG 10A LEVER

Altech Corporation

4 -
RFQ
3G10UM

Datasheet

V-EA Bulk Active DIN Rail Thermal Magnetic 10A 480 V - Lever 3 None - CSA, UL508
3D15UM

3D15UM

CIR BRKR THRM-MAG 15A LEVER

Altech Corporation

4 -
RFQ
3D15UM

Datasheet

V-EA Bulk Active DIN Rail Thermal Magnetic 15A 480 V - Lever 3 None - CSA, UL508
2D40UL

2D40UL

CIRCUIT BREAKER 40A 2P UL489

Altech Corporation

2 -
RFQ
2D40UL

Datasheet

UL Bulk Active DIN Rail Thermal Magnetic 40A 240 V - Lever 2 None - CE, cULus, UL489
7940102165

7940102165

CIR BRKR 15A 250VAC 80VDC

Weidmüller

8 -
RFQ
7940102165

Datasheet

CB4200 Bulk Active DIN Rail Thermal Magnetic 15A 250 V 80 V Push to Reset 1 - - CSA C22.2 No 235, UL1077, VDE
2479170000

2479170000

CB MCB 489 3P D 15A ACDC

Weidmüller

13 -
RFQ
2479170000

Datasheet

MCB 489 Bulk Active DIN Rail Thermal Magnetic 15A 277 V - Lever 3 None - CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, VDE
W67-X2Q10-5

W67-X2Q10-5

CIR BRKR MAG-HYDR 5A 277VAC

TE Connectivity Potter & Brumfield Relays

20 -
RFQ
W67-X2Q10-5

Datasheet

W6 Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A 277 V - Lever 1 - - -
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