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
5SJ43168HG42 Siemens

5SJ43168HG42

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

Siemens

2,608 -
Datasheet SENTRON Box Active DIN Rail - 16A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489
5SJ43148HG42 Siemens

5SJ43148HG42

MCB 5SJ4 3P 480/277 0.3A 10K D-T

Siemens

5,959 -
Datasheet SENTRON Box Active DIN Rail - 300mA 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489, VDE
5SJ43048HG42 Siemens

5SJ43048HG42

2MCB 5SJ4 3P 480/277 4A 10K D-TR

Siemens

3,971 -
Datasheet SENTRON Box Active DIN Rail - 4A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489, VDE
5SJ43087HG42 Siemens

5SJ43087HG42

MCB 5SJ4 3P 480/277 8A 10K C-TRI

Siemens

7,977 -
Datasheet SENTRON Box Active DIN Rail - 8A 400 V 60 V Lever 3 None - CCC, CE, EAC, UL489, VDE
3RV20210EA10 Siemens

3RV20210EA10

CIRCUIT-BREAKER SCREW CONNECTION

Siemens

8,515 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 400mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV23211AC20 Siemens

3RV23211AC20

CIRCUIT-BREAKER S0 1.6A NO OVERL

Siemens

2,569 -
Datasheet SIRIUS Box Active DIN Rail Magnetic 1.6A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV23211AC10 Siemens

3RV23211AC10

CIRCUIT-BREAKER S0 1.6A NO OVERL

Siemens

5,859 -
Datasheet SIRIUS Box Active DIN Rail Magnetic 1.6A 690 V - Rotary 3 None - CCC, CE, CSA, EAC, UL, VDE
3RV20211CA20 Siemens

3RV20211CA20

MSP S0 1.8 - 2.5A SPRING

Siemens

4,060 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 2.5A 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20211BA20 Siemens

3RV20211BA20

MSP S0 1.4 - 2A SPRING

Siemens

6,385 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 2A 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20211EA20 Siemens

3RV20211EA20

MSP S0 2.8 - 4A SPRING

Siemens

9,743 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 4A 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
Total 4783 Record«Prev1... 7273747576777879...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.