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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
MMS-63H-40A Altech Corporation

MMS-63H-40A

MANUAL MOTOR START 50KA 28-40A

Altech Corporation

6,151 -
Datasheet MMS Bulk Active DIN Rail Manual Motor Starter 40A 600 V - Rotary 1 None - CE, CSA, UL508
09144911 Altech Corporation

09144911

EARTH LEAKAGE CB 63A, 30MA, 4P

Altech Corporation

6,458 -
Datasheet DFS Bulk Active DIN Rail Ground Fault 63A 400 V - Lever 4 None - VDE
MMS-63H-50A Altech Corporation

MMS-63H-50A

MANUAL MOTOR START 50KA 34-50A

Altech Corporation

3,719 -
Datasheet MMS Bulk Active DIN Rail Manual Motor Starter 50A 600 V - Rotary 1 None - CE, CSA, UL508
MMS-63H-63A Altech Corporation

MMS-63H-63A

MANUAL MOTOR START 50KA 45-63A

Altech Corporation

6,504 -
Datasheet MMS Bulk Active DIN Rail Manual Motor Starter 63A 600 V - Rotary 1 None - CE, CSA, UL508
MMS-63H-65A Altech Corporation

MMS-63H-65A

MANUAL MOTOR START 50KA 47-65A

Altech Corporation

3,361 -
Datasheet MMS Bulk Active DIN Rail Manual Motor Starter 65A 600 V - Rotary 1 None - CE, CSA, UL508
09146911 Altech Corporation

09146911

EARTH LEAKAGE CB 63A, 300MA, 4P

Altech Corporation

3,169 -
Datasheet DFS Bulk Active DIN Rail Ground Fault 63A 400 V - Lever 4 None - VDE
4C8UL Altech Corporation

4C8UL

CIRCUIT BREAKER 8A CHAR4P480Y/27

Altech Corporation

2,078 -
Datasheet UL Bulk Active DIN Rail Thermal Magnetic 8A 480 V - Lever 4 None - CE, cULus, UL489
4C20UL Altech Corporation

4C20UL

4C20UL, 20A, CIRCUIT BREAKER

Altech Corporation

5,780 -
Datasheet UL Bulk Active DIN Rail Thermal Magnetic 20A 480 V - Lever 4 None - CE, cULus, UL489
3CU4L+UV400ACL Altech Corporation

3CU4L+UV400ACL

3CU4L4AMCBCCHAR3PUL489 WITH UV40

Altech Corporation

6,451 -
Datasheet L Bulk Active DIN Rail Thermal Magnetic 4A 480 V - Lever 3 None - CE, cULus, UL489
UTE100E-FTU-100 Altech Corporation

UTE100E-FTU-100

CIRCUIT BREAKER 100A/480V AC 3P

Altech Corporation

6,828 -
Datasheet UTE100 Bulk Active DIN Rail Thermal 100A 480 V - Lever 3 None - UL
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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.