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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
5SJ42408HG41 Siemens

5SJ42408HG41

MCB 5SJ4 2P 240V 40A 10K D-TRIP

Siemens

8,257 -
Datasheet SENTRON Box Active DIN Rail - 40A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
5SJ42017HG41 Siemens

5SJ42017HG41

MCB 5SJ4 2P 240V 1A 14K C-TRIP

Siemens

7,317 -
Datasheet SENTRON Box Active DIN Rail - 1A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42328HG41 Siemens

5SJ42328HG41

MCB 5SJ4 2P 240V 32A 10K D-TRIP

Siemens

9,812 -
Datasheet SENTRON Box Active DIN Rail - 32A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
5SJ42018HG41 Siemens

5SJ42018HG41

MCB 5SJ4 2P 240V 1A 14K D-TRIP

Siemens

9,112 -
Datasheet SENTRON Box Active DIN Rail - 1A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
SMFFS1 Siemens

SMFFS1

STARTER,MANUAL,TOGGLE SW,1-UNIT

Siemens

4,818 -
Datasheet - Box Active - Manual Motor Controller - - - - - None - -
SMFF02 Siemens

SMFF02

STARTER,MANUAL,TOGGLE SW,1-UNIT

Siemens

7,437 -
Datasheet - Box Active Chassis Mount Manual Motor Starter - - - Rotary - None - -
5SJ42148HG42 Siemens

5SJ42148HG42

MCB 5SJ4 2P 480/277 0.3A 10K D-T

Siemens

5,398 -
Datasheet SENTRON Box Active DIN Rail - 300mA 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42057HG42 Siemens

5SJ42057HG42

MCB 5SJ4 2P 480/277 0.5A 10K C-T

Siemens

5,612 -
Datasheet SENTRON Box Active DIN Rail - 500mA 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42157HG42 Siemens

5SJ42157HG42

MCB 5SJ4 2P 480/277 1.6A 10K C-T

Siemens

9,866 -
Datasheet SENTRON Box Active DIN Rail - 1.6A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42147HG42 Siemens

5SJ42147HG42

MCB 5SJ4 2P 480/277 0.3A 10K C-T

Siemens

6,493 -
Datasheet SENTRON Box Active DIN Rail - 300mA 400 V 60 V Lever 2 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.