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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
5SY41107 Siemens

5SY41107

SUP PTOR 5SY4 1P 240V 10A 7.5K C

Siemens

4,688 -
Datasheet 5SY4 Bulk Active DIN Rail - 10A 400 V - Lever 1 None - CE, EAC, IMQ, UL, VDE
5SY42108 Siemens

5SY42108

SUP PTOR 5SY4 2P 480V 10A 5K D-T

Siemens

1,612 -
Datasheet 5SY4 Bulk Active DIN Rail - 10A 400 V 72 V Lever 2 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY42107 Siemens

5SY42107

SUP PTOR 5SY4 2P 480V 10A 5K C-T

Siemens

1,567 -
Datasheet 5SY4 Bulk Active DIN Rail - 10A 400 V 72 V Lever 2 None - CCC, CE, IMQ, RCM, UR, VDE
5SY42027 Siemens

5SY42027

SUP PTOR 5SY4 2P 480V 2A 5K C-TR

Siemens

4,796 -
Datasheet 5SY4 Bulk Active DIN Rail - 2A 400 V 72 V Lever 2 None - CSA, UL
5SY43107 Siemens

5SY43107

SUP PTOR 5SY4 3P 480V 10A 5K C-T

Siemens

4,223 -
Datasheet 5SY4 Bulk Active DIN Rail - 10A 400 V 72 V Lever 3 None - CCC, CE, IMQ, RCM, UR, VDE
5SY43328 Siemens

5SY43328

SUP PTOR 5SY4 3P 480V 32A 5K D-T

Siemens

4,076 -
Datasheet 5SY4 Bulk Active DIN Rail - 32A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43167 Siemens

5SY43167

SUP PTOR 5SY4 3P 480V 16A 5K C-T

Siemens

2,714 -
Datasheet 5SY4 Bulk Active DIN Rail - 16A 480 V - Lever 3 None - CSA C22.2 No 235, UL1077
3RV20214AA20 Siemens

3RV20214AA20

MSP S0 11-16A SPRING

Siemens

3,501 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 16A 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20211HA15 Siemens

3RV20211HA15

MSP S0 5.5-8A SCRW W/AUX 1NO/1NC

Siemens

2,292 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 8A 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3VA51104ED310AA0 Siemens

3VA51104ED310AA0

BRKR 3VA51 3P 100A 25KA FTFM

Siemens

3,888 -
Datasheet SENTRON Box Active DIN Rail - 100A 690 V - Lever 3 None - CCC, CE, CSA, 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.