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
W28-XQ1A-12

W28-XQ1A-12

CIR BRKR THRM 12A 250VAC 32VDC

TE Connectivity Potter & Brumfield Relays

487 -
RFQ
W28-XQ1A-12

Datasheet

W28 Bulk Active Panel Mount Thermal 12A 250 V 32 V Push to Reset 1 - - -
W28-XT1A-3

W28-XT1A-3

CIR BRKR THRM 3A 250VAC 32VDC

TE Connectivity Potter & Brumfield Relays

274 -
RFQ
W28-XT1A-3

Datasheet

W28 Bulk Active Panel Mount Thermal 3A 250 V 32 V Push to Reset 1 - - -
W51-A151A1-10

W51-A151A1-10

CIR BRKR THRM 10A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

5,963 -
RFQ
W51-A151A1-10

Datasheet

W51 Tray Active Panel Mount Thermal 10A 125 V 50 V Rocker 1 - - -
W51-A151A1-20

W51-A151A1-20

CIR BRKR THRM 20A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

869 -
RFQ
W51-A151A1-20

Datasheet

W51 Tray Active Panel Mount Thermal 20A 125 V 50 V Rocker 1 - - -
W51-A151A1-7

W51-A151A1-7

CIR BRKR THRM 7A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

770 -
RFQ
W51-A151A1-7

Datasheet

W51 Tray Active Panel Mount Thermal 7A 125 V 50 V Rocker 1 - - -
1658-A00-00-P10-12A

1658-A00-00-P10-12A

CIR BRKR THRM 12A 240VAC 28VDC

E-T-A

367 -
RFQ
1658-A00-00-P10-12A

Datasheet

1658 Bulk Active Panel Mount Thermal 12A 240 V 28 V Automatic Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
W51-A161A1-15

W51-A161A1-15

CIR BRKR THRM 15A 125VAC 50VDC

TE Connectivity Potter & Brumfield Relays

768 -
RFQ
W51-A161A1-15

Datasheet

W51 Tray Active Panel Mount Thermal 15A 125 V 50 V Rocker 1 - - -
1658-A00-00-P10-25A

1658-A00-00-P10-25A

CIR BRKR THRM 25A 240VAC 28VDC

E-T-A

181 -
RFQ
1658-A00-00-P10-25A

Datasheet

1658 Bulk Active Panel Mount Thermal 25A 240 V 28 V Automatic Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
1658-G21-01-P10-25A

1658-G21-01-P10-25A

CIR BRKR THRM 25A 240VAC 28VDC

E-T-A

630 -
RFQ
1658-G21-01-P10-25A

Datasheet

1658 Bulk Active Panel Mount Thermal 25A 240 V 28 V Push to Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
1658-A00-00-P10-15A

1658-A00-00-P10-15A

CIR BRKR THRM 15A 240VAC 28VDC

E-T-A

165 -
RFQ
1658-A00-00-P10-15A

Datasheet

1658 Bulk Active Panel Mount Thermal 15A 240 V 28 V Automatic Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
W51-A152A1-5

W51-A152A1-5

CIR BRKR THRM 5A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

1,768 -
RFQ
W51-A152A1-5

Datasheet

W51 Tray Active Panel Mount Thermal 5A 250 V 50 V Rocker 1 - - -
W54-XB1A4A10-25

W54-XB1A4A10-25

CIR BRKR THRM 25A 250VAC

TE Connectivity Potter & Brumfield Relays

432 -
RFQ
W54-XB1A4A10-25

Datasheet

W54 Tray Active Panel Mount Thermal 25A 250 V - Push to Reset 1 - - -
1658-A00-00-P10-10A

1658-A00-00-P10-10A

CIR BRKR THRM 10A 240VAC 28VDC

E-T-A

859 -
RFQ
1658-A00-00-P10-10A

Datasheet

1658 Bulk Active Panel Mount Thermal 10A 240 V 28 V Automatic Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
W51-A121B1-10

W51-A121B1-10

CIR BRKR THRM 10A 125VAC 50VDC

TE Connectivity Potter & Brumfield Relays

1,180 -
RFQ
W51-A121B1-10

Datasheet

W51 Tray Active Panel Mount Thermal 10A 125 V 50 V Rocker 1 Red - -
W51-A121B1-20

W51-A121B1-20

CIR BRKR THRM 20A 125VAC 50VDC

TE Connectivity Potter & Brumfield Relays

799 -
RFQ
W51-A121B1-20

Datasheet

W51 Tray Active Panel Mount Thermal 20A 125 V 50 V Rocker 1 Red - -
W51-A121B1-5

W51-A121B1-5

CIR BRKR THRM 5A 125VAC 50VDC

TE Connectivity Potter & Brumfield Relays

753 -
RFQ
W51-A121B1-5

Datasheet

W51 Tray Active Panel Mount Thermal 5A 125 V 50 V Rocker 1 Red - -
W51-A122B1-20

W51-A122B1-20

CIR BRKR THRM 20A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

642 -
RFQ
W51-A122B1-20

Datasheet

W51 Tray Active Panel Mount Thermal 20A 250 V 50 V Rocker 1 Red - -
W51-A122B1-10

W51-A122B1-10

CIR BRKR THRM 10A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

364 -
RFQ
W51-A122B1-10

Datasheet

W51 Tray Active Panel Mount Thermal 10A 250 V 50 V Rocker 1 Red - -
1658-G21-02-P10-20A

1658-G21-02-P10-20A

CIR BRKR THRM 20A 240VAC 28VDC

E-T-A

945 -
RFQ
1658-G21-02-P10-20A

Datasheet

1658 Bulk Active Panel Mount Thermal 20A 240 V 28 V Push to Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
W58-XA6A4A-3

W58-XA6A4A-3

CIR BRKR THRM 3A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

361 -
RFQ
W58-XA6A4A-3

Datasheet

W58 Tray Active Panel Mount Thermal 3A 250 V 50 V Push to Reset 1 - - -
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