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
3120-N301-N7Q1-W01D-X3120-M2P7M-12V-16A

3120-N301-N7Q1-W01D-X3120-M2P7M-12V-16A

CIR BRKR THERM SWITCH 2P 16A

E-T-A

5,812 -
RFQ
3120-N301-N7Q1-W01D-X3120-M2P7M-12V-16A

Datasheet

3120-N Bulk Active Panel Mount Thermal 16A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N323-H7T1-W01D-X3120-U0000M-2A

3120-N323-H7T1-W01D-X3120-U0000M-2A

CIR BRKR THERM SWITCH 2P

E-T-A

3,080 -
RFQ
3120-N323-H7T1-W01D-X3120-U0000M-2A

Datasheet

3120-N Bulk Active Panel Mount Thermal 2A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N304-N7Q1-W19DG4-20A

3120-N304-N7Q1-W19DG4-20A

CIR BRKR THERM SWITCH 2P 20A

E-T-A

3,965 -
RFQ
3120-N304-N7Q1-W19DG4-20A

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 2 Green 230V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N301-N7Q1-W01D-X3120-M2P7M-120V-16A

3120-N301-N7Q1-W01D-X3120-M2P7M-120V-16A

CIR BRKR THERM SWITCH 2P 16A

E-T-A

8,583 -
RFQ
3120-N301-N7Q1-W01D-X3120-M2P7M-120V-16A

Datasheet

3120-N Bulk Active Panel Mount Thermal 16A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N321-H7T1-W01D-X3120-U0001M-16A

3120-N321-H7T1-W01D-X3120-U0001M-16A

CIR BRKR THERM SWITCH 2P

E-T-A

5,023 -
RFQ
3120-N321-H7T1-W01D-X3120-U0001M-16A

Datasheet

3120-N Bulk Active Panel Mount Thermal 16A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N323-P7T1-W01L-10A

3120-N323-P7T1-W01L-10A

CIR BRKR THERM SWITCH 2P

E-T-A

5,365 -
RFQ
3120-N323-P7T1-W01L-10A

Datasheet

3120-N Bulk Active Panel Mount Thermal 10A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N321-P7T1-W02K-X3120-M2P7M-120V-16A

3120-N321-P7T1-W02K-X3120-M2P7M-120V-16A

CIR BRKR THERM SWITCH 2P

E-T-A

9,759 -
RFQ
3120-N321-P7T1-W02K-X3120-M2P7M-120V-16A

Datasheet

3120-N Bulk Active Panel Mount Thermal 16A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N521-P7T1-W04A-0.2A

3120-N521-P7T1-W04A-0.2A

CIR BRKR THERM SWITCH 2P

E-T-A

6,699 -
RFQ
3120-N521-P7T1-W04A-0.2A

Datasheet

3120-N Bulk Active Panel Mount Thermal 200mA 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N364-N7Q1-W14FR2-16A

3120-N364-N7Q1-W14FR2-16A

CIR BRKR THERM SWITCH 1P 16A

E-T-A

2,218 -
RFQ
3120-N364-N7Q1-W14FR2-16A

Datasheet

3120-N Bulk Active Panel Mount Thermal 16A 415 V 50 V Rocker 1 Red 24V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N504-N7Q1-W01D-20A

3120-N504-N7Q1-W01D-20A

CIR BRKR THERM SWITCH

E-T-A

4,995 -
RFQ
3120-N504-N7Q1-W01D-20A

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N513-H7T1-W01D-20A

3120-N513-H7T1-W01D-20A

CIR BRKR THERM SWITCH 1P

E-T-A

8,319 -
RFQ
3120-N513-H7T1-W01D-20A

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 1 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N521-H7T1-W01D-20A

3120-N521-H7T1-W01D-20A

CIR BRKR THERM SWITCH 2P

E-T-A

8,612 -
RFQ
3120-N521-H7T1-W01D-20A

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N324-P7M1-W16DT1-15A

3120-N324-P7M1-W16DT1-15A

CIR BRKR THERM SWITCH 2P

E-T-A

8,101 -
RFQ
3120-N324-P7M1-W16DT1-15A

Datasheet

3120-N Bulk Active Panel Mount Thermal 15A 415 V 50 V Rocker 2 Blue 12V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N551-H7T1-W02D-X3120-U0001M-20A

3120-N551-H7T1-W02D-X3120-U0001M-20A

CIR BRKR THERM SWITCH 2P

E-T-A

4,672 -
RFQ
3120-N551-H7T1-W02D-X3120-U0001M-20A

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N551-P7T1-W16DT4-15A

3120-N551-P7T1-W16DT4-15A

CIR BRKR THERM SWITCH 2P

E-T-A

5,058 -
RFQ
3120-N551-P7T1-W16DT4-15A

Datasheet

3120-N Bulk Active Panel Mount Thermal 15A 415 V 50 V Rocker 2 Blue 230V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N521-P7T1-W14DR3-15A

3120-N521-P7T1-W14DR3-15A

CIR BRKR THERM SWITCH 2P

E-T-A

9,272 -
RFQ
3120-N521-P7T1-W14DR3-15A

Datasheet

3120-N Bulk Active Panel Mount Thermal 15A 415 V 50 V Rocker 2 Red 115V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N321-H7T1-W19LG3-X3120-U0001M-20A

3120-N321-H7T1-W19LG3-X3120-U0001M-20A

CIR BRKR THERM SWITCH 2P

E-T-A

5,188 -
RFQ
3120-N321-H7T1-W19LG3-X3120-U0001M-20A

Datasheet

3120-N Bulk Active Panel Mount Thermal 20A 415 V 50 V Rocker 2 Green 115V CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N32G-P7T1-D01X-0.3A

3120-N32G-P7T1-D01X-0.3A

CIR BRKR THERM SWITCH 2P

E-T-A

4,123 -
RFQ
3120-N32G-P7T1-D01X-0.3A

Datasheet

3120-N Bulk Active Panel Mount Thermal 300mA 415 V 50 V Pushbutton 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N551-H7T1-W01D-X3120-U0200M-6A

3120-N551-H7T1-W01D-X3120-U0200M-6A

CIR BRKR THERM SWITCH 2P

E-T-A

3,052 -
RFQ
3120-N551-H7T1-W01D-X3120-U0200M-6A

Datasheet

3120-N Bulk Active Panel Mount Thermal 6A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
3120-N554-P7T1-W04K-10A

3120-N554-P7T1-W04K-10A

CIR BRKR THERM SWITCH 2P

E-T-A

8,893 -
RFQ
3120-N554-P7T1-W04K-10A

Datasheet

3120-N Bulk Active Panel Mount Thermal 10A 415 V 50 V Rocker 2 None - CSA C22.2 No 235, GB 17701, IEC 60934, UL1077
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