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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
8345-B01A-V3K1-DB1B1B-125A-VMIN ORD QTY 10. SINGLE OR MULTIP |
8,638 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 125A | 480 V | 80 V | Lever | 1 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-B23A-V3M2-DB1B2B-50A-VMIN ORD QTY 10. SINGLE OR MULTIP |
7,951 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 50A | 480 V | 80 V | Lever | 3 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F22A-V3M1-DB1B1B-80A-VMIN ORD QTY 10. SINGLE OR MULTIP |
3,841 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 80A | 480 V | 80 V | Lever | 2 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F22A-V3M1-DB1B1B-5A-VMIN ORD QTY 10. SINGLE OR MULTIP |
9,353 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 5A | 480 V | 80 V | Lever | 2 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F22A-V3M1-DB1B1B-60A-VMIN ORD QTY 10. SINGLE OR MULTIP |
9,244 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 60A | 480 V | 80 V | Lever | 2 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F21A-V3M2-DB1B1B-5A-VMIN ORD QTY 10. SINGLE OR MULTIP |
8,159 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 5A | 480 V | 80 V | Lever | 1 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F21A-V3M2-DB1B1B-10A-VMIN ORD QTY 10. SINGLE OR MULTIP |
3,064 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 10A | 480 V | 80 V | Lever | 1 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F22A-V3M1-DB1B1B-10A-VMIN ORD QTY 10. SINGLE OR MULTIP |
4,843 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 10A | 480 V | 80 V | Lever | 2 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F22A-V3M1-DB1B1B-50A-VMIN ORD QTY 10. SINGLE OR MULTIP |
5,022 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 50A | 480 V | 80 V | Lever | 2 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
8345-F01A-U3M0-DB1B3B-4A-VMINIMUM ORDER QTY 10. SINGLE OR |
8,584 | - |
|
Datasheet |
8345 | Bulk | Obsolete | Panel Mount | Magnetic (Hydraulic Delay) | 4A | 480 V | 80 V | Lever | 1 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL489 |
|
3120-N526-P7T1-W01D-X3120-B040001M-20AMIN ORD QTY 10. THE 3120-N THERM |
9,853 | - |
|
- |
- | Bulk | Active | - | - | - | - | - | - | - | - | - | - |
|
REX12-TA1-107-DC24V-2A-CL2508, DM, 1CH, 24VDC, 2A, NO COMM |
5,514 | - |
|
Datasheet |
REX12 | Bulk | Active | DIN Rail | Solid State | 2A | - | 24 V | Pushbutton | 1 | Green, Orange, Red | - | cULus, UR |
|
1221-260-030-B30CIR BRKR THRM 3A 250VAC 50VDC |
4,011 | - |
|
Datasheet |
12 | Bulk | Active | Panel Mount | Thermal | 3A | - | 50 V | Push to Reset | 1 | - | - | ABYC-E11, UL1077 |
|
SU203M-C40Circ Brkr UL489 40A, 3 Pole, C |
9,515 | - |
|
- |
- | Retail Package | Active | DIN Rail | Thermal | 40A | 277 V | - | Lever | 3 | None | - | CE, CSA, UL489 |
|
ST202M-C5Circ Brkr UL1077 5A, 2 Pole, C |
9,542 | - |
|
- |
- | Retail Package | Active | DIN Rail | Thermal | 5A | 277 V | - | Lever | 2 | None | - | CE, CSA, VDE, UL1077 |
|
4430.2095CIR BRKR THRM 20A 240VAC 60VDC |
9,165 | - |
|
- |
TA45 | Bulk | Active | Panel Mount, Snap-In | Thermal | 20A | 240 V | 60 V | Rocker | 2 | None | - | CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, VDE |
|
SPHM2RM00055 AMP UL1077 2P 277/480V 3KAIC 1 |
7,199 | - |
|
- |
* | Bulk | Active | - | - | - | - | - | - | - | - | - | - |
|
SPHM2RM001010AMP UL1077 2P 277/480V 3KAIC 1 |
6,501 | - |
|
- |
* | Bulk | Active | - | - | - | - | - | - | - | - | - | - |
|
SPHM3RM001515AMP UL1077 3P 277/480V 3KAIC 1 |
8,907 | - |
|
- |
* | Bulk | Active | - | - | - | - | - | - | - | - | - | - |
|
SPHM1RM00055A UL1077 1P 277V 3KAIC 18X INRU |
7,035 | - |
|
- |
* | Bulk | Active | - | - | - | - | - | - | - | - | - | - |

