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
P1MB3PC50

P1MB3PC50

3 POLE, CURVE C, 50A, 230/400VAC

Lovato Electric

2 -
RFQ
P1MB3PC50

Datasheet

P1MB3P Box Active DIN Rail Thermal Magnetic 50A 400 V - Lever 3 None - CSA C22.2 No. 235, cURus, EAC, IEC 60898-1, IEC 60947-2, TUV-Rheinland, UL 1077
S403M-C3

S403M-C3

SmissLN Circuit Breaker IEC 3P 3

ABB Control

2 -
RFQ

-

* Retail Package Active - - - - - - - - - -
4707-250B

4707-250B

Circuit Breaker, 87 Series, 250

Egis Mobile Electric

10 -
RFQ
4707-250B

Datasheet

87 Bulk Active Panel Mount Thermal 250A - 48 V Manual Reset 1 None - ABYC-E11, IP66, SAE J1171, SAE J553
4704-250B

4704-250B

Circuit Breaker, 87 Series, 250

Egis Mobile Electric

10 -
RFQ
4704-250B

Datasheet

87 Bulk Active Chassis Mount Thermal 250A - 48 V Manual Reset 1 None - ABYC-E11, IP66, SAE J1171, SAE J553
S202MUC-Z1.6

S202MUC-Z1.6

MCB S200MUC 2P Z 1.6A AC/DC

ABB Control

9 -
RFQ

-

* Retail Package Active - - - - - - - - - -
S203UP-K5-ABBG

S203UP-K5-ABBG

Circuit Breaker, 3-P, 5A/277VAC,

ABB Control

2 -
RFQ

-

- Retail Package Active - - - - - - - - - -
S203UP-K5

S203UP-K5

Circuit Breaker, 3-P, 5A/277VAC,

ABB Control

2 -
RFQ

-

* Retail Package Active - - - - - - - - - -
T1B015TL-1-ABBG

T1B015TL-1-ABBG

CIRCUIT BREAKER, 1-P, 15A/277VAC

Galco Industrial Electronics

9 -
RFQ

-

* Retail Package Obsolete - - - - - - - - - -
T1B015TL-1

T1B015TL-1

CIRCUIT BREAKER, 1-P, 15A/277VAC

ABB Control

9 -
RFQ

-

* Retail Package Active - - - - - - - - - -
S203UP-K8-ABBG

S203UP-K8-ABBG

Circuit Breaker, 3-P, 8A/277VAC,

Galco Industrial Electronics

2 -
RFQ

-

* Retail Package Obsolete - - - - - - - - - -
S203UP-K8

S203UP-K8

Circuit Breaker, 3-P, 8A/277VAC,

ABB Control

2 -
RFQ

-

* Retail Package Active - - - - - - - - - -
THQL1120DF

THQL1120DF

Breaker Afci/Gfci 20A 1P 120V 10

GE General Purpose Control

2 -
RFQ

-

* Retail Package Active - - - - - - - - - -
M4-63R-40

M4-63R-40

MOTOR PROTECT CB ROTARY 28-40A

B&J-USA, Inc.

7 -
RFQ
M4-63R-40

Datasheet

M4 Retail Package Active DIN Rail Motor Protection Circuit Breaker 40A 690 V - Rotary 3 None - CE, EAC, UL
4404.001

4404.001

CIR BRKR THRM 15A 240VAC 32VDC

SCHURTER Inc.

6,879 -
RFQ
4404.001

Datasheet

T9-611 Box Active Panel Mount Thermal 15A 240 V 32 V Push to Reset 1 - - CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077
W57-XB7A4A10-15

W57-XB7A4A10-15

CIR BRKR THRM 15A 250VAC

TE Connectivity Potter & Brumfield Relays

7,956 -
RFQ
W57-XB7A4A10-15

Datasheet

W57 Tray Active Panel Mount Thermal 15A 250 V - Push to Reset 1 - - -
W57-XB1A7A10-15

W57-XB1A7A10-15

CIR BRKR THRM 15A 250VAC

TE Connectivity Potter & Brumfield Relays

9,140 -
RFQ
W57-XB1A7A10-15

Datasheet

W57 Tray Active Panel Mount Thermal 15A 250 V - Push to Reset 1 - - -
W51-A122B1-5

W51-A122B1-5

CIR BRKR THRM 5A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

3,833 -
RFQ
W51-A122B1-5

Datasheet

W51 Bulk Active Panel Mount Thermal 5A 250 V 50 V Rocker 1 Red - -
1658-G21-01-P10-20A

1658-G21-01-P10-20A

CIR BRKR THRM 20A 240VAC 28VDC

E-T-A

5,746 -
RFQ
1658-G21-01-P10-20A

Datasheet

1658 Bulk Active Panel Mount Thermal 20A 240 V 28 V Push to Reset 1 None - CE, CSA C22.2 No 235, IEC 60934, UL1077
W58-XB1A4A-10

W58-XB1A4A-10

CIR BRKR THRM 10A 250VAC 50VDC

TE Connectivity Potter & Brumfield Relays

7,234 -
RFQ
W58-XB1A4A-10

Datasheet

W58 Tray Active Panel Mount Thermal 10A 250 V 50 V Push to Reset 1 - - -
1019910

1019910

CIRCUIT BREAKER 3A

Phoenix Contact

8,929 -
RFQ
1019910

Datasheet

TMC 7 Box Active DIN Rail Thermal Magnetic 3A 277 V 60 V Lever 1 None - cULus, UL1077
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