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EXPLORE COMPONENTS

Circuit Breakers

Browse available Circuit Breakers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

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Datasheets & Specifications Access technical references quickly
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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
SPHM2RM0003 Eaton Electrical

SPHM2RM0003

3A UL1077 2P 277/480V 3KAIC 18X

Eaton Electrical

6,452 -
Datasheet * Bulk Active - - - - - - - - - -
EP102ULH4D16 GE General Purpose Control

EP102ULH4D16

Circuit Breaker, 2-P, 16A/480V,

GE General Purpose Control

1,514 -
Datasheet * Retail Package Active - - - - - - - - - -
EP61ULC13 GE General Purpose Control

EP61ULC13

Circuit Breaker, 1-P, 13A/277VAC

GE General Purpose Control

2,177 -
Datasheet * Retail Package Active - - - - - - - - - -
EP61ULD13 GE General Purpose Control

EP61ULD13

Circuit Breaker, 1-P, 13A/277VAC

GE General Purpose Control

1,467 -
Datasheet * Retail Package Active - - - - - - - - - -
EP61ULB13 GE General Purpose Control

EP61ULB13

Circuit Breaker, 1-P, 13A/277VAC

GE General Purpose Control

2,010 -
Datasheet * Retail Package Active - - - - - - - - - -
1423674-6 TE Connectivity Potter & Brumfield Relays

1423674-6

W54-XB1A4A10-10=CKTBKR,THERM,P

TE Connectivity Potter & Brumfield Relays

2,549 -
Datasheet W54 Box Active Panel Mount Thermal 10A 250 V - Push to Reset 1 None - -
EP61ULD32 GE General Purpose Control

EP61ULD32

Circuit Breaker, 1-P, 32A/277VAC

GE General Purpose Control

3,748 -
Datasheet * Retail Package Active - - - - - - - - - -
4-1393250-1 TE Connectivity

4-1393250-1

Thermal Circuit Breaker, 1 Pole(

TE Connectivity

4,846 -
Datasheet * Bulk Active - - - - - - - - - -
EP61ULC40 GE General Purpose Control

EP61ULC40

Circuit Breaker, 1-P, 40A/277VAC

GE General Purpose Control

4,231 -
Datasheet * Retail Package Active - - - - - - - - - -
ACB-N-50A OptiFuse

ACB-N-50A

No Bracket-Type I Auto, 50A 24V

OptiFuse

3,758 -
Datasheet ACB-N Bulk Active - Shortstop 50A - 24 V Automatic Reset 1 None - SAE J1171, SAE J553
EP61ULB63 GE General Purpose Control

EP61ULB63

Circuit Breaker, 1-P, 63A/277VAC

GE General Purpose Control

1,081 -
Datasheet * Retail Package Active - - - - - - - - - -
EP61ULC63 GE General Purpose Control

EP61ULC63

Circuit Breaker, 1-P, 63A/277VAC

GE General Purpose Control

1,176 -
Datasheet * Retail Package Active - - - - - - - - - -
EP61ULD20 GE General Purpose Control

EP61ULD20

Circuit Breaker, 1-P, 20A/277VAC

GE General Purpose Control

3,215 -
Datasheet * Retail Package Active - - - - - - - - - -
EP101ULH1C16 GE General Purpose Control

EP101ULH1C16

Circuit Breaker, 1-P, 16A/120VAC

GE General Purpose Control

1,248 -
Datasheet * Retail Package Active - - - - - - - - - -
1393249-9 TE Connectivity

1393249-9

Thermal Circuit Breaker, 1 Pole(

TE Connectivity

2,225 -
Datasheet * Bulk Active - - - - - - - - - -
EP101ULH3C32 GE General Purpose Control

EP101ULH3C32

Circuit Breaker, 1-P, 32A/277VAC

GE General Purpose Control

2,216 -
Datasheet * Retail Package Active - - - - - - - - - -
UMBW-1D1-20 WEG

UMBW-1D1-20

MCB 1077 277VAC D 1P 20A

WEG

1,095 -
Datasheet * Retail Package Active - - - - - - - - - -
EP63ULD01-GEGP Galco Industrial Electronics

EP63ULD01-GEGP

Circuit Breaker, 3-P, 1A/480V, D

Galco Industrial Electronics

1,203 -
Datasheet * Retail Package Obsolete - - - - - - - - - -
EP63ULD01 GE General Purpose Control

EP63ULD01

Circuit Breaker, 3-P, 1A/480V, D

GE General Purpose Control

1,731 -
Datasheet * Retail Package Active - - - - - - - - - -
EP101ULH3D25 GE General Purpose Control

EP101ULH3D25

Circuit Breaker, 1-P, 25A/277VAC

GE General Purpose Control

4,510 -
Datasheet * Retail Package Active - - - - - - - - - -
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WINSUN SOURCING SUPPORT

Need Circuit Breakers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support
FREQUENTLY ASKED QUESTIONS

Circuit Breakers FAQ

Common questions about selecting, comparing and sourcing Circuit Breakers components through Winsun (HK) Electronics.

What should I check when selecting Circuit Breakers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Circuit Breakers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Circuit Breakers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Circuit Breakers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.