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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
5SY43018 Siemens

5SY43018

SUP PTOR 5SY4 3P 480V 1A 5K D-TR

Siemens

6,564 -
Datasheet 5SY4 Bulk Active DIN Rail - 1A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43038 Siemens

5SY43038

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

Siemens

8,303 -
Datasheet 5SY4 Bulk Active DIN Rail - 3A 400 V 72 V Lever 3 None - CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43117 Siemens

5SY43117

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

Siemens

3,825 -
Datasheet 5SY4 Bulk Active DIN Rail - 5A 400 V 72 V Lever 3 None - CCC, CE, IMQ, RCM, UR, VDE
5SY43257 Siemens

5SY43257

SUP PTOR 5SY4 3P 480V 25A 5K C-T

Siemens

8,218 -
Datasheet 5SY4 Bulk Active DIN Rail - 25A 400 V 72 V Lever 3 None - CCC, CE, IMQ, RCM, UR, VDE
3RV20110DA20 Siemens

3RV20110DA20

MSP S00 0.22-0.32A SPRING

Siemens

7,011 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 320mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20110FA20 Siemens

3RV20110FA20

MSP S00 0.35-0.5A SPRING

Siemens

2,127 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 500mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20110DA40 Siemens

3RV20110DA40

MSP S00 0.22-0.32A RING LUG

Siemens

3,602 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 320mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20110FA40 Siemens

3RV20110FA40

MSP S00 0.35-0.5A RING LUG

Siemens

9,630 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 500mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20110EA40 Siemens

3RV20110EA40

MSP S00 0.28-0.4A RING LUG

Siemens

3,342 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 400mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE
3RV20210DA10 Siemens

3RV20210DA10

CIRCUIT-BREAKER SCREW CONNECTION

Siemens

5,933 -
Datasheet SIRIUS Box Active DIN Rail Thermal Magnetic 320mA 690 V - Rotary 3 None - ATEX, CCC, CE, CSA, EAC, IECEx, 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.