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
2CU20M

2CU20M

CIR BRK THRM-MAG 20A 277VAC LEVR

Altech

4,707 -
RFQ
2CU20M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 20A 277 V - Lever 2 - - UL508
DC2CR2L

DC2CR2L

CIR BRK THRM-MAG 2A 250VDC LEVER

Altech

7,082 -
RFQ
DC2CR2L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 2A - 250 V Lever 2 - - UL489
3CU25M

3CU25M

CIR BRK THRM-MAG 25A 277VAC LEVR

Altech

3,288 -
RFQ
3CU25M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 25A 277 V - Lever 3 - - UL508
2ZU4L

2ZU4L

CIR BRK THRM-MAG 4A 277VAC LEVER

Altech

9,198 -
RFQ
2ZU4L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 4A 277 V - Lever 2 - - UL489
1BU05L

1BU05L

CIR BRK THRM-MAG 277VAC LEVER

Altech

2,125 -
RFQ
1BU05L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 500mA 277 V - Lever 1 - - UL489
1CR30L

1CR30L

CIR BRK THRM-MAG 30A 277VAC LEVR

Altech

5,031 -
RFQ
1CR30L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 30A 277 V - Lever 1 - - UL489
1BU6M

1BU6M

CIR BRK THRM-MAG 6A 277VAC LEVER

Altech

8,779 -
RFQ
1BU6M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 6A 277 V - Lever 1 - - UL508
2GU6M

2GU6M

CIR BRK THRM-MAG 6A 277VAC LEVER

Altech

2,806 -
RFQ
2GU6M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 6A 277 V - Lever 2 - - UL508
1BU5M

1BU5M

CIR BRK THRM-MAG 5A 277VAC LEVER

Altech

9,690 -
RFQ
1BU5M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 5A 277 V - Lever 1 - - UL508
2CU15M

2CU15M

CIR BRK THRM-MAG 15A 277VAC LEVR

Altech

6,034 -
RFQ
2CU15M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 15A 277 V - Lever 2 - - UL508
2ZU5L

2ZU5L

CIR BRK THRM-MAG 5A 277VAC LEVER

Altech

7,101 -
RFQ
2ZU5L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 5A 277 V - Lever 2 - - UL489
1BU1M

1BU1M

CIR BRK THRM-MAG 1A 277VAC LEVER

Altech

7,404 -
RFQ
1BU1M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 1A 277 V - Lever 1 - - UL508
1GU25M

1GU25M

CIR BRK THRM-MAG 25A 277VAC LEVR

Altech

5,719 -
RFQ
1GU25M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 25A 277 V - Lever 1 - - UL508
1BU20M

1BU20M

CIR BRK THRM-MAG 20A 277VAC LEVR

Altech

4,382 -
RFQ
1BU20M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 20A 277 V - Lever 1 - - UL508
2ZU2L

2ZU2L

CIR BRK THRM-MAG 2A 277VAC LEVER

Altech

2,754 -
RFQ
2ZU2L

Datasheet

L Bulk Active DIN Rail Thermal Magnetic 2A 277 V - Lever 2 - - UL489
1DU05M

1DU05M

CIR BRK THRM-MAG 277VAC LEVER

Altech

6,622 -
RFQ
1DU05M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 500mA 277 V - Lever 1 - - UL508
3CU35R

3CU35R

CIR BRK THRM-MAG 35A 277VAC LEVR

Altech

6,851 -
RFQ
3CU35R

Datasheet

R Bulk Active DIN Rail Thermal Magnetic 35A 277 V - Lever 3 - - UL1077
2CU5M

2CU5M

CIR BRK THRM-MAG 5A 277VAC LEVER

Altech

4,388 -
RFQ
2CU5M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 5A 277 V - Lever 2 - - UL508
2BU2M

2BU2M

CIR BRK THRM-MAG 2A 277VAC LEVER

Altech

7,389 -
RFQ
2BU2M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 2A 277 V - Lever 2 - - UL508
3GU60M

3GU60M

CIR BRK THRM-MAG 60A 277VAC LEVR

Altech

5,780 -
RFQ
3GU60M

Datasheet

M Bulk Active DIN Rail Thermal Magnetic 60A 277 V - Lever 3 - - UL508
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