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0755-82798135Circuit Breakers
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
3130-F130-P7T1-W02Q-12ACIR BRKR THRM 12A 250VAC 50VDC |
4 | - |
|
Datasheet |
3130 | Bulk | Active | Panel Mount | Thermal | 12A | 415 V | 50 V | Rocker | 3 | None | - | CE, CSA C22.2 No 235, GB 17701, IEC 60934, UL1077 |
|
4230-T120-K0CU-3ACIR BRK THERM-M 3A 480VAC/125VDC |
12 | - |
|
Datasheet |
4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 3A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
4230-T120-K0CU-20ACIR BRKR THERM 20A 480VAC/125VDC |
2 | - |
|
Datasheet |
4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 20A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
4230-T120-K0CU-25ACIR BRKR THERM 25A 480VAC/125VDC |
2 | - |
|
Datasheet |
4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 25A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
4230-T120-K0CU-30ACIR BRKR THERM 30A 480VAC/125VDC |
2 | - |
|
Datasheet |
4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 30A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
4230-T120-K0DU-15ACIR BRKR THERM 15A 480VAC/125VDC |
2 | - |
|
Datasheet |
4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 15A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
4230-T120-K0DU-50ACIR BRKR THERM 50A 480VAC/125VDC |
2 | - |
|
Datasheet |
4230-T | Bulk | Active | DIN Rail | Thermal Magnetic | 50A | 480 V | 125 V | Lever | 2 | None | - | CSA C22.2 No 235, UL489 |
|
5SJ41207HG40MCB 5SJ4 1P 240V 20A SAME PH 14K |
14 | - |
|
Datasheet |
5SJ4 | Bulk | Active | DIN Rail | - | 20A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL, VDE |
|
5SJ41017HG40STND 1POLE 240VAC, SAME POLARITY |
8 | - |
|
Datasheet |
- | Bulk | Active | DIN Rail | - | 1A | 440 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, UL, VDE |
|
5SJ41057HG40MCB 5SJ4 1P 240V 0.5A SAME PH 14 |
5 | - |
|
Datasheet |
5SJ4 | Bulk | Active | DIN Rail | - | 500mA | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL, VDE |
|
2D30ULCIR BRKR THRM-MAG 30A LEVER |
2 | - |
|
Datasheet |
UL | Bulk | Active | DIN Rail | Thermal Magnetic | 30A | 480 V | - | Lever | 2 | None | - | CE, cULus, UL489 |
|
2481380000CB PROTECTOR 1077 3P D 30A ACDC |
14 | - |
|
Datasheet |
MCB 1077 | Bulk | Active | DIN Rail | Thermal Magnetic | 30A | 277 V | - | Lever | 3 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL1077, VDE |
|
2480560000CB PROTECTOR 1077 3P C 6A ACDC |
8 | - |
|
Datasheet |
MCB 1077 | Bulk | Active | DIN Rail | Thermal Magnetic | 6A | 277 V | - | Lever | 3 | None | - | CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL1077, VDE |
|
7940102650CIR BRKR MAG-HYDR 8A 240VAC |
8 | - |
|
- |
9926 | Box | Active | DIN Rail | Magnetic (Hydraulic Delay) | 8A | 240 V | - | Lever | 2 | - | - | CE, CSA C22.2 No 235, UL1077, VDE |
|
5SJ41187HG41MCB 5SJ4 1P 240V 15A 14K C-TRIP |
4 | - |
|
Datasheet |
5SJ4 | Bulk | Active | DIN Rail | - | 15A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL489, VDE |
|
7940102672CIR BRKR MAG-HYDR 30A 480VAC |
17 | - |
|
- |
9926 | Box | Active | DIN Rail | Magnetic (Hydraulic Delay) | 30A | 480 V | - | Lever | 2 | - | - | CE, CSA C22.2 No 235, UL1077, VDE |
|
5SY41038SUP PTOR 5SY4 1P 240V 3A 7.5K D- |
7 | - |
|
Datasheet |
SENTRON | Box | Active | DIN Rail | - | 3A | 400 V | 72 V | Lever | 1 | None | - | CCC, CE, EAC, UR, VDE |
|
5SJ41047HG42MCB 5SJ4 1P 277V 4A 10K C-TRIP |
17 | - |
|
Datasheet |
5SJ4 | Bulk | Active | DIN Rail | - | 4A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL489, VDE |
|
5SJ41187HG42MCB 5SJ4 1P 277V 15A 10K C-TRIP |
17 | - |
|
Datasheet |
SENTRON | Box | Active | DIN Rail | - | 15A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, EAC, UL489 |
|
5SJ41027HG42MCB 5SJ4 1P 277V 2A 10K C-TRIP |
12 | - |
|
Datasheet |
5SJ4 | Bulk | Active | DIN Rail | - | 2A | 400 V | 60 V | Lever | 1 | None | - | CCC, CE, CSA, EAC, UL489, VDE |

