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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
5SJ41087HG40 Siemens

5SJ41087HG40

MCB 5SJ4 1P 240V 8A SAME PH 14K

Siemens

6,246 -
Datasheet 5SJ4 Bulk Active DIN Rail - 8A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42188HG42 Siemens

5SJ42188HG42

MCB 5SJ4 2P 480/277 15A 10K D-TR

Siemens

1,196 -
Datasheet 5SJ4 Bulk Active DIN Rail - 15A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SY43508 Siemens

5SY43508

SUP PTOR 5SY4 3P 480V 50A 5K D-T

Siemens

3,424 -
Datasheet SENTRON Box Active DIN Rail - 50A 400 V 72 V Lever 3 None - CCC, CE, EAC, UR, VDE
5SY43638 Siemens

5SY43638

SUP PTOR 5SY4 3P 480V 63A 5K D-T

Siemens

4,139 -
Datasheet SENTRON Box Active DIN Rail - 63A 400 V 72 V Lever 3 None - CCC, CE, EAC, UR, VDE
3RV20214EA10 Siemens

3RV20214EA10

MSP S0 27-32A SCREW

Siemens

1,687 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 32A 690 V - Rotary 3 None - CCC, CSA, EAC, IECEx, UL
3RV20314VA10 Siemens

3RV20314VA10

MSP S2 CLASS 10 35-45A SCREW

Siemens

3,174 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 45A 690 V - Rotary 3 None - CCC, CSA, EAC, IECEx, UL
5SJ41188HG40 Siemens

5SJ41188HG40

MCB 5SJ4 1P 240V 15A SAME PH 14K

Siemens

4,172 -
Datasheet 5SJ4 Bulk Active DIN Rail - 15A 400 V 60 V Lever 1 None - CCC, CE, CSA, EAC, UL, VDE
5SJ41256HG40 Siemens

5SJ41256HG40

MCB 5SJ4 1P 240V 25A SAME PH 14K

Siemens

1,329 -
Datasheet SENTRON Box Active DIN Rail - 25A 400 V 60 V Lever 1 None - CCC, CE, EAC, UL489
5SJ41028HG40 Siemens

5SJ41028HG40

MCB 5SJ4 1P 240V 2A SAME PH 14K

Siemens

9,877 -
Datasheet SENTRON Box Active DIN Rail - 2A 400 V 60 V Lever 1 None - CCC, CE, EAC, UL489
5SJ41057HG41 Siemens

5SJ41057HG41

MCB 5SJ4 1P 240V 0.5A 14K C-TRIP

Siemens

1,400 -
Datasheet SENTRON Box Active DIN Rail - 500mA 400 V 60 V Lever 1 None - CSA, IEC, UL489
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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.