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
KBUH2C30

KBUH2C30

Circ Brkr-UL489, 30A, 2P, C

Springer Controls

2,433 -
RFQ
KBUH2C30

Datasheet

KBUD Retail Package Active DIN Rail Thermal 30A 277 V - Lever 2 None - CE, CSA, UL489
KBUH1D15

KBUH1D15

Circ Brkr-UL489, 15A, 1P, D

Springer Controls

7,409 -
RFQ
KBUH1D15

Datasheet

KBUD Retail Package Active DIN Rail Thermal 15A 277 V - Lever 1 None - CE, CSA, UL489
KBUH1D10

KBUH1D10

Circ Brkr-UL489, 10A, 1P, D

Springer Controls

3,744 -
RFQ
KBUH1D10

Datasheet

KBUD Retail Package Active DIN Rail Thermal 10A 277 V - Lever 1 None - CE, CSA, UL489
KBUH3D30

KBUH3D30

Circ Brkr-UL489, 30A, 3P, D

Springer Controls

2,493 -
RFQ
KBUH3D30

Datasheet

KBUD Retail Package Active DIN Rail Thermal 30A 277 V - Lever 3 None - CE, CSA, UL489
KBUH1D30

KBUH1D30

Circ Brkr-UL489, 30A, 1P, D

Springer Controls

7,236 -
RFQ
KBUH1D30

Datasheet

KBUD Retail Package Active DIN Rail Thermal 30A 277 V - Lever 1 None - CE, CSA, UL489
KBUN2D40

KBUN2D40

Circ Brkr-UL489, 40A, 2P, D

Springer Controls

2,702 -
RFQ
KBUN2D40

Datasheet

KBUD Retail Package Active DIN Rail Thermal 40A 240 V - Lever 2 None - CE, CSA, UL489
KBUH3D20

KBUH3D20

Circ Brkr-UL489, 20A, 3P, D

Springer Controls

5,799 -
RFQ
KBUH3D20

Datasheet

KBUD Retail Package Active DIN Rail Thermal 20A 277 V - Lever 3 None - CE, CSA, UL489
KBUH3D15

KBUH3D15

Circ Brkr-UL489, 15A, 3P, D

Springer Controls

2,893 -
RFQ
KBUH3D15

Datasheet

KBUD Retail Package Active DIN Rail Thermal 15A 277 V - Lever 3 None - CE, CSA, UL489
KBUH1C20

KBUH1C20

Circ Brkr-UL489, 20A, 1P, C

Springer Controls

3,068 -
RFQ
KBUH1C20

Datasheet

KBUD Retail Package Active DIN Rail Thermal 20A 277 V - Lever 1 None - CE, CSA, UL489
KBUH2C25

KBUH2C25

Circ Brkr-UL489, 25A, 2P, C

Springer Controls

4,662 -
RFQ
KBUH2C25

Datasheet

KBUD Retail Package Active DIN Rail Thermal 25A 277 V - Lever 2 None - CE, CSA, UL489
KBUN2D50

KBUN2D50

Circ Brkr-UL489, 50A, 2P, D

Springer Controls

4,107 -
RFQ
KBUN2D50

Datasheet

KBUD Retail Package Active DIN Rail Thermal 50A 240 V - Lever 2 None - CE, CSA, UL489
KBUH2D15

KBUH2D15

Circ Brkr-UL489, 15A, 2P, D

Springer Controls

4,551 -
RFQ
KBUH2D15

Datasheet

KBUD Retail Package Active DIN Rail Thermal 15A 277 V - Lever 2 None - CE, CSA, UL489
KBUH1C06

KBUH1C06

Circ Brkr-UL489, 6A, 1P, C

Springer Controls

8,432 -
RFQ
KBUH1C06

Datasheet

KBUD Retail Package Active DIN Rail Thermal 6A 277 V - Lever 1 None - CE, CSA, UL489
KBUH1C25

KBUH1C25

Circ Brkr-UL489, 25A, 1P, C

Springer Controls

2,508 -
RFQ
KBUH1C25

Datasheet

KBUD Retail Package Active DIN Rail Thermal 25A 277 V - Lever 1 None - CE, CSA, UL489
KBUH2D10

KBUH2D10

Circ Brkr-UL489, 10A, 2P, D

Springer Controls

9,244 -
RFQ
KBUH2D10

Datasheet

KBUD Retail Package Active DIN Rail Thermal 10A 277 V - Lever 2 None - CE, CSA, UL489
KBUN1C60

KBUN1C60

Circ Brkr-UL489, 60A, 1P, C

Springer Controls

4,698 -
RFQ
KBUN1C60

Datasheet

KBUD Retail Package Active DIN Rail Thermal 60A 240 V - Lever 1 None - CE, CSA, UL489
KBUN1C50

KBUN1C50

Circ Brkr-UL489, 50A, 1P, C

Springer Controls

9,759 -
RFQ
KBUN1C50

Datasheet

KBUD Retail Package Active DIN Rail Thermal 50A 240 V - Lever 1 None - CE, CSA, UL489
KBUH1D20

KBUH1D20

Circ Brkr-UL489, 20A, 1P, D

Springer Controls

8,701 -
RFQ
KBUH1D20

Datasheet

KBUD Retail Package Active DIN Rail Thermal 20A 277 V - Lever 1 None - CE, CSA, UL489
KBUN1C40

KBUN1C40

Circ Brkr-UL489, 40A, 1P, C

Springer Controls

4,230 -
RFQ
KBUN1C40

Datasheet

KBUD Retail Package Active DIN Rail Thermal 40A 240 V - Lever 1 None - CE, CSA, UL489
KBUH3C15

KBUH3C15

Circ Brkr-UL489, 15A, 3P, C

Springer Controls

9,046 -
RFQ
KBUH3C15

Datasheet

KBUD Retail Package Active DIN Rail Thermal 15A 277 V - Lever 3 None - CE, CSA, UL489
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