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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
5SJ42087HG41 Siemens

5SJ42087HG41

MCB 5SJ4 2P 240V 8A 14K C-TRIP

Siemens

2,025 -
Datasheet 5SJ4 Bulk Active DIN Rail - 8A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42058HG41 Siemens

5SJ42058HG41

MCB 5SJ4 2P 240V 0.5A 14K D-TRIP

Siemens

3,279 -
Datasheet SENTRON Box Active DIN Rail - 500mA 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
US2:SMFFG1 Siemens

US2:SMFFG1

STARTER,MANUAL,TOGGLE SWITCH,1-U

Siemens

3,663 -
Datasheet SMF Box Active DIN Rail Manual Motor Starter - - - Rotary - None - UL
5SJ42207HG41 Siemens

5SJ42207HG41

STANDARD FRAME 1 POLE 240VAC

Siemens

4,138 -
Datasheet - Bulk Active DIN Rail - 20A 440 V 60 V Lever 2 None - CCC, CE, CSA, UL, VDE
5SJ42187HG42 Siemens

5SJ42187HG42

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

Siemens

3,507 -
Datasheet 5SJ4 Bulk Active DIN Rail - 15A 400 V 125 V Lever 2 None - CCC, CE, CSA, UL, VDE
5SJ42307HG42 Siemens

5SJ42307HG42

MCB 5SJ4 2P 480/277 30A 10K C-TR

Siemens

3,440 -
Datasheet 5SJ4 Bulk Active DIN Rail - 30A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ43307HG41 Siemens

5SJ43307HG41

MCB 5SJ4 3P 240V 30A 14K C-TRIP

Siemens

1,112 -
Datasheet 5SJ4 Bulk Active DIN Rail - 30A 400 V 125 V Lever 3 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42048HG42 Siemens

5SJ42048HG42

MCB 5SJ4 2P 480/277 4A 10K D-TRI

Siemens

2,175 -
Datasheet 5SJ4 Bulk Active DIN Rail - 4A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, VDE
5SJ42117HG42 Siemens

5SJ42117HG42

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

Siemens

4,814 -
Datasheet 5SJ4 Bulk Active DIN Rail - 5A 400 V 125 V Lever 2 None - CCC, CE, CSA, UL, VDE
5SJ42017HG42 Siemens

5SJ42017HG42

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

Siemens

1,306 -
Datasheet 5SJ4 Bulk Active DIN Rail - 1A 400 V 125 V Lever 2 None - CCC, CE, CSA, EAC, UL, 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.