Welcome to Winsun (HK) Electronics Limited!
+86-(0755)8253 3846
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
5SJ42018HG42 Siemens

5SJ42018HG42

MCB 5SJ4 2P 480/277 1A 10K D-TRI

Siemens

2,206 -
Datasheet 5SJ4 Bulk Active DIN Rail - 1A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42037HG42 Siemens

5SJ42037HG42

MCB 5SJ4 2P 480/277 3A 10K C-TRI

Siemens

2,131 -
Datasheet 5SJ4 Bulk Active DIN Rail - 3A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42167HG42 Siemens

5SJ42167HG42

MCB 5SJ4 2P 480/277 16A 10K C-TR

Siemens

2,880 -
Datasheet SENTRON Box Active DIN Rail - 16A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
5SJ42107HG42 Siemens

5SJ42107HG42

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

Siemens

4,853 -
Datasheet 5SJ4 Bulk Active DIN Rail - 10A 400 V 125 V Lever 2 None - CCC, CE, CSA, UL, VDE
5SJ42068HG42 Siemens

5SJ42068HG42

MCB 5SJ4 2P 480/277 6A 10K D-TRI

Siemens

4,240 -
Datasheet 5SJ4 Bulk Active DIN Rail - 6A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42067HG42 Siemens

5SJ42067HG42

MCB 5SJ4 2P 480/277 6A 10K C-TRI

Siemens

3,694 -
Datasheet 5SJ4 Bulk Active DIN Rail - 6A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
3RV20110FA10 Siemens

3RV20110FA10

MSP S00 0.35-0.5A SCREW

Siemens

1,381 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 500mA 690 V - Rotary 3 None - CCC, CSA, EAC, IECEx, UL
3RV20210HA10 Siemens

3RV20210HA10

MSP S0 0.55 - 0.8A SCREW

Siemens

2,476 -
Datasheet 3RV2 Bulk Active DIN Rail Thermal 800mA 690 V - Rotary 3 None - ATEX, CCC, CSA, EAC, UL
5SJ43187HG41 Siemens

5SJ43187HG41

MCB 5SJ4 3P 240V 15A 14K C-TRIP

Siemens

3,512 -
Datasheet 5SJ4 Bulk Active DIN Rail - 15A 400 V 125 V Lever 3 None - CCC, CE, CSA, EAC, UL, VDE
5SJ43207HG42 Siemens

5SJ43207HG42

MCB 5SJ4 3P 480/277 20A 10K C-TR

Siemens

3,346 -
Datasheet 5SJ4 Bulk Active DIN Rail - 20A 400 V 125 V Lever 3 None - CCC, CE, CSA, EAC, UL, VDE
Total 4783 Record«Prev1... 4567891011...479Next»
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.