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
MU1-B-20-435-1-A21-B-D

MU1-B-20-435-1-A21-B-D

CIRCUIT BREAKER

Carling Technologies

8,205 -
RFQ
MU1-B-20-435-1-A21-B-D

Datasheet

M Bulk Active Panel Mount Magnetic (Hydraulic Delay) 3.5A 250 V 80 V Push to Reset 1 None - CCC, CSA, UL, VDE
MU1-B-20-620-1-A21-B-C

MU1-B-20-620-1-A21-B-C

CIRCUIT BREAKER

Carling Technologies

7,846 -
RFQ
MU1-B-20-620-1-A21-B-C

Datasheet

M Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A 250 V 80 V Push to Reset 1 None - CCC, CSA, UL1077
MU1-B-24-275-1-A21-B-E

MU1-B-24-275-1-A21-B-E

CIRCUIT BREAKER

Carling Technologies

4,614 -
RFQ
MU1-B-24-275-1-A21-B-E

Datasheet

M Bulk Active Panel Mount Magnetic (Hydraulic Delay) 750mA 250 V 80 V Push to Reset 1 None - CCC, CSA, TUV, UL
CB3-B0-22-650-361-C

CB3-B0-22-650-361-C

CIRCUIT BREAKER

Carling Technologies

5,532 -
RFQ
CB3-B0-22-650-361-C

Datasheet

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 50A 480 V 150 V Lever 3 None - CCC, CSA, UL
AJ1-B0-14-625-P21-D

AJ1-B0-14-625-P21-D

CIRCUIT BREAKER

Carling Technologies

3,821 -
RFQ
AJ1-B0-14-625-P21-D

Datasheet

A Bulk Active Panel Mount Magnetic (Hydraulic Delay) 25A 277 V 80 V Rocker 1 None - CCC, CSA, UL, VDE
CA1-B0-24-619-422-E

CA1-B0-24-619-422-E

CIRCUIT BREAKER

Carling Technologies

8,511 -
RFQ
CA1-B0-24-619-422-E

Datasheet

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 19A 250 V 150 V Lever 1 None - CCC, CSA, TUV, UL
AO1-A0-03-630-1G4-C

AO1-A0-03-630-1G4-C

CIRCUIT BREAKER

Carling Technologies

5,089 -
RFQ
AO1-A0-03-630-1G4-C

Datasheet

A Bulk Active Panel Mount Switch Only 30A 277 V 80 V Push to Reset 1 None - CCC, CSA, UL
AB3-B0-26-610-5B1-C

AB3-B0-26-610-5B1-C

CIRCUIT BREAKER

Carling Technologies

5,914 -
RFQ
AB3-B0-26-610-5B1-C

Datasheet

A Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A 277 V 80 V Lever 3 None - CCC, CSA, UL
BA3-B2-24-610-121-C

BA3-B2-24-610-121-C

CIRCUIT BREAKER

Carling Technologies

4,301 -
RFQ

-

B Bulk Active Panel Mount Magnetic (Hydraulic Delay) 10A 277 V 80 V Lever 3 None - CCC, CSA, UL
BA2-B0-34-650-932-E

BA2-B0-34-650-932-E

CIRCUIT BREAKER

Carling Technologies

9,766 -
RFQ

-

B Bulk Active Panel Mount Magnetic (Hydraulic Delay) 50A 250 V 80 V Lever 2 None - CCC, CSA, TUV, UL
FA2-B0-16-825-12A-BG

FA2-B0-16-825-12A-BG

CIRCUIT BREAKER

Carling Technologies

9,928 -
RFQ
FA2-B0-16-825-12A-BG

Datasheet

F Bulk Active Chassis Mount Magnetic (Hydraulic Delay) 250A 277 V 125 V Lever 2 None - CCC, cULus, UL489
AA3-B0-22-620-1B1-C

AA3-B0-22-620-1B1-C

CIRCUIT BREAKER

Carling Technologies

2,341 -
RFQ
AA3-B0-22-620-1B1-C

Datasheet

A Bulk Active Panel Mount Magnetic (Hydraulic Delay) 20A 277 V 80 V Lever 3 None - CCC, CSA, UL
CB3-B0-22-630-42D-C

CB3-B0-22-630-42D-C

CIRCUIT BREAKER

Carling Technologies

3,920 -
RFQ
CB3-B0-22-630-42D-C

Datasheet

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 30A 480 V 150 V Lever 3 None - CCC, CSA, UL
CA2-B0-24-675-622-L

CA2-B0-24-675-622-L

CIRCUIT BREAKER

Carling Technologies

2,578 -
RFQ
CA2-B0-24-675-622-L

Datasheet

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 75A 277 V 150 V Lever 2 None - CCC, CSA, UL489
EA3-B2-24-640-2DA-HB

EA3-B2-24-640-2DA-HB

CIRCUIT BREAKER

Carling Technologies

7,133 -
RFQ
EA3-B2-24-640-2DA-HB

Datasheet

E Bulk Active Panel Mount Magnetic (Hydraulic Delay) 40A 480 V 125 V Lever 3 None - CCC, CSA, UL508, UL1077
CLB-253-12C3N-B-A

CLB-253-12C3N-B-A

CIRCUIT BREAKER

Carling Technologies

9,931 -
RFQ
CLB-253-12C3N-B-A

Datasheet

CLB Bulk Active Panel Mount Thermal 25A 250 V 32 V Push to Reset 1 None - CE, cUL, TUV, UL1077, UL1500
AF2-B0-24-450-231-D

AF2-B0-24-450-231-D

CIRCUIT BREAKER

Carling Technologies

2,257 -
RFQ
AF2-B0-24-450-231-D

Datasheet

A Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A 250 V 80 V Rocker 2 None - CCC, CSA, UL, VDE
BT1-B4-12-460-H22-D

BT1-B4-12-460-H22-D

CIRCUIT BREAKER

Carling Technologies

3,492 -
RFQ

-

B Bulk Active Panel Mount Magnetic (Hydraulic Delay) 6A 277 V 80 V Lever 1 None - CCC, CSA, UL, VDE
CLB-053-11B3N-B-A

CLB-053-11B3N-B-A

CIRCUIT BREAKER

Carling Technologies

8,687 -
RFQ
CLB-053-11B3N-B-A

Datasheet

CLB Bulk Active Panel Mount Thermal 5A 250 V 32 V Push to Reset 1 None - CE, cUL, TUV, UL1077, UL1500
CT1-B2-14-450-121-C

CT1-B2-14-450-121-C

CIRCUIT BREAKER

Carling Technologies

6,963 -
RFQ

-

C Bulk Active Panel Mount Magnetic (Hydraulic Delay) 5A 480 V 125 V Lever 1 None - CCC, CSA, UL
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