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
DC1CR3L

DC1CR3L

CIR BRK THRM-MAG 3A 125VDC LEVER

Altech

9,234 -
RFQ
DC1CR3L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 3A - 125 V Lever 1 - - UL489
1BU1L

1BU1L

CIR BRK THRM-MAG 1A 277VAC LEVER

Altech

3,914 -
RFQ
1BU1L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 1A 277 V - Lever 1 - - UL489
3BU6M

3BU6M

CIR BRK THRM-MAG 6A 277VAC LEVER

Altech

5,868 -
RFQ
3BU6M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 6A 277 V - Lever 3 - - UL508
2DU8M

2DU8M

CIR BRK THRM-MAG 8A 277VAC LEVER

Altech

7,598 -
RFQ
2DU8M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 8A 277 V - Lever 2 - - UL508
2BU15M

2BU15M

CIR BRK THRM-MAG 15A 277VAC LEVR

Altech

2,388 -
RFQ
2BU15M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 15A 277 V - Lever 2 - - UL508
1GU6M

1GU6M

CIR BRK THRM-MAG 6A 277VAC LEVER

Altech

3,144 -
RFQ
1GU6M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 6A 277 V - Lever 1 - - UL508
1BU02L

1BU02L

CIR BRKR THERM-MAG 277VAC LEVER

Altech

6,559 -
RFQ
1BU02L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 200mA 277 V - Lever 1 - - UL489
1CR4L

1CR4L

CIR BRK THRM-MAG 4A 277VAC LEVER

Altech

5,364 -
RFQ
1CR4L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 4A 277 V - Lever 1 - - UL489
MX36-GCA-150

MX36-GCA-150

CIR BRKR 150A 48VDC PUSH-RESET

Trimax Circuit Protectors

5,141 -
RFQ

-

MX36-GCA Bulk Active Panel Mount - 150A - 48 V Push to Reset 1 None - cUL, UL
MX36-GCA-30

MX36-GCA-30

CIR BRKR 30A 48VDC PUSH-RESET

Trimax Circuit Protectors

7,614 -
RFQ

-

MX36-GCA Bulk Active Panel Mount - 30A - 48 V Push to Reset 1 None - cUL, UL
30172-30-BX

30172-30-BX

TERM

Littelfuse Inc.

4,650 -
RFQ
30172-30-BX

Datasheet

- Bulk Obsolete Chassis Mount - 30A - 24 V Automatic Reset 1 None - -
30128-30-BX

30128-30-BX

TERM

Littelfuse Inc.

6,405 -
RFQ
30128-30-BX

Datasheet

- Bulk Obsolete Chassis Mount - 30A - 12 V Automatic Reset 1 None - -
321-A4P-10-B-CC

321-A4P-10-B-CC

Ver. Bracket Type I auto 10A

Mechanical Products

8,077 -
RFQ
321-A4P-10-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 10A - 12 V Automatic Reset 1 None - J553, J1171
321-A2P-06-B-CC

321-A2P-06-B-CC

Ver. Bracket Type I auto 60A

Mechanical Products

3,171 -
RFQ
321-A2P-06-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 6A - 12 V Automatic Reset 1 None - J553, J1171
321-A0P-50-B-CC

321-A0P-50-B-CC

No Bracket Type I auto 50A

Mechanical Products

5,626 -
RFQ
321-A0P-50-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 50A - 12 V Automatic Reset 1 None - J553, J1171
323-A2P-40-B-CC

323-A2P-40-B-CC

Ver. Bracket Type III manual 40A

Mechanical Products

8,615 -
RFQ
323-A2P-40-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 40A - 24 V Push to Reset 1 None - J553, J1171
321-A4P-50-B-CC

321-A4P-50-B-CC

Ver. Bracket Type I auto 50A

Mechanical Products

8,198 -
RFQ
321-A4P-50-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 50A - 12 V Automatic Reset 1 None - J553, J1171
321-A4P-30-B-CC

321-A4P-30-B-CC

Ver. Bracket Type I auto 30A

Mechanical Products

5,145 -
RFQ
321-A4P-30-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 30A - 12 V Automatic Reset 1 None - J553, J1171
321-A4P-40-B-CC

321-A4P-40-B-CC

Ver. Bracket Type I auto 40A

Mechanical Products

7,130 -
RFQ
321-A4P-40-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 40A - 12 V Automatic Reset 1 None - J553, J1171
323-A2P-50-B-CC

323-A2P-50-B-CC

Ver. Bracket Type III manual 50A

Mechanical Products

2,219 -
RFQ
323-A2P-50-B-CC

Datasheet

32 Bulk Active Chassis Mount Shortstop 50A - 24 V Push to Reset 1 None - J553, J1171
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