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FILTERED PRODUCT SELECTION

Circuit Breakers

Use the filters and product table below to compare Circuit Breakers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
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
5SJ43027HG42 Siemens

5SJ43027HG42

_MCB 5SJ4 3P 480/277 2A 10K C-TR

Siemens

4,224 -
Datasheet SENTRON Box Active DIN Rail - 2A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489, VDE
5SJ43167HG42 Siemens

5SJ43167HG42

MCB 5SJ4 3P 480/277 16A 10K C-TR

Siemens

1,511 -
Datasheet SENTRON Box Active DIN Rail - 16A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489
5SJ43037HG42 Siemens

5SJ43037HG42

MCB 5SJ4 3P 480/277 3A 10K C-TRI

Siemens

4,677 -
Datasheet 5SJ4 Bulk Active DIN Rail - 3A 400 V 125 V Lever 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV20211FA10 Siemens

3RV20211FA10

MSP S0 3.5 - 5A SCREW

Siemens

1,311 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 5A 690 V - Rotary 3 None - ATEX, CCC, CSA, EAC, IECEx, UL
3RV20111DA20 Siemens

3RV20111DA20

MSP S00 2.2-3.2A SPRING

Siemens

2,747 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 3.2A 690 V - Rotary 3 None - ATEX, CCC, CSA, EAC, IECEx, UL
3RV20111HA10 Siemens

3RV20111HA10

MSP S00 5.5-8A SCREW

Siemens

4,144 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 8A 690 V - Rotary 3 None - ATEX, CCC, CSA, EAC, UL
3RV20111EA20 Siemens

3RV20111EA20

MSP S00 2.8-4A SPRING

Siemens

1,617 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 4A 690 V - Rotary 3 None - ATEX, CCC, CSA, EAC, IECEx, UL
5SJ43407HG42 Siemens

5SJ43407HG42

MCB 5SJ4 3P 480/277 40A 10K C-TR

Siemens

1,929 -
Datasheet SENTRON Box Active DIN Rail - 40A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489
5SJ43357HG42 Siemens

5SJ43357HG42

MCB 5SJ4 3P 480/277 35A 10K C-TR

Siemens

3,973 -
Datasheet SENTRON Box Active DIN Rail - 35A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489
5SJ43108HG42 Siemens

5SJ43108HG42

MCB 5SJ4 3P 480/277 10A 10K D-TR

Siemens

1,080 -
Datasheet SENTRON Box Active DIN Rail - 10A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489, VDE
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WINSUN SOURCING SUPPORT

Need Help Sourcing Circuit Breakers?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

Circuit Breakers FAQ

Common questions about filtering, comparing and sourcing Circuit Breakers components.

How can I narrow the Circuit Breakers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Circuit Breakers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.