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Circuit Protection Accessories

Browse available Circuit Protection Accessories 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
RFQ & BOM Support Send quantities for sourcing and quotation
Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Accessory Type For Use With/Related Products
X4230-BU312P16A E-T-A

X4230-BU312P16A

CIRC BRKR ACCESSORIES

E-T-A

2,136 -
Datasheet 4230-T Bulk Active Bus Bar Circuit Breaker 4230-T
LV426966 Schneider Electric

LV426966

CB MECHANICAL LUG KIT AL (2 PC)

Schneider Electric

3,359 -
Datasheet - Box Active Lug Circuit Breakers
J77MN11S Omron Automation and Safety

J77MN11S

CONTACTOR

Omron Automation and Safety

1,388 -
Datasheet * Bulk Active - -
3P18U3S/15 Altech Corporation

3P18U3S/15

BUSBAR3 PHASE+1P18SQMM PIN TYPE1

Altech Corporation

3,865 -
Datasheet - Bulk Active Bus Bar Circuit Breaker
BK/J-63 Eaton - Bussmann Electrical Division

BK/J-63

FUSE REDUCER

Eaton - Bussmann Electrical Division

2,159 -
Datasheet - Bulk Active Reducer LPJ, JKS Series
HCQ63 Siemens

HCQ63

100A VBII 2P QUICK CONNECTOR KIT

Siemens

2,202 -
Datasheet - Box Active Switch -
UMS110 Altech Corporation

UMS110

UNDERVOLTAGE TRIP FOR MS SERIES

Altech Corporation

3,533 -
Datasheet - Bulk Active Undervoltage Release Circuit Breakers
UMS380 Altech Corporation

UMS380

UNDERVOLTAGE TRIP MS SERIES 380-

Altech Corporation

2,060 -
Datasheet - Bulk Active Undervoltage Release Circuit Breakers
UMS500 Altech Corporation

UMS500

UNDERVOLTAGE TRIP FOR MS SERIES

Altech Corporation

2,700 -
Datasheet - Bulk Active Undervoltage Release Circuit Breakers
UM-230 Altech Corporation

UM-230

UNDERVOLTAGE TRIP MS SERIES 220-

Altech Corporation

2,320 -
Datasheet - Bulk Active Undervoltage Release Circuit Breakers
2LB83-25A/500 Altech Corporation

2LB83-25A/500

APDBUSBAR 25A/600VAC;2PH;37TB 0.

Altech Corporation

2,502 -
Datasheet - Bulk Active Bus Bar Circuit Breaker
3P25U3/18 Altech Corporation

3P25U3/18

BUSBAR3 PHASE25SQMMPIN TYPE 18 L

Altech Corporation

4,549 -
Datasheet - Bulk Active Bus Bar Miniature Molded Circuit Breakers
2P18U3H/26 Altech Corporation

2P18U3H/26

BUSBAR2PHASE+1/2P18SQMM PIN TYPE

Altech Corporation

2,241 -
Datasheet - Bulk Active Bus Bar Miniature Molded Circuit Breakers
LV429330 Schneider Electric

LV429330

2 INSULATING SCREENS 3P 45 MM PI

Schneider Electric

4,557 -
Datasheet - Box Obsolete Insulating Screen Circuit Breakers
P5372/10 Eaton - Bussmann Electrical Division

P5372/10

REDSPOT FUSE LINK ADAPTER KIT

Eaton - Bussmann Electrical Division

3,065 -
Datasheet * Bulk Active - -
8PB-B35 Carling Technologies

8PB-B35

HARDWARE CIRCUIT BREAKER

Carling Technologies

4,651 -
Datasheet - Bulk Active Mounting Block PB Series
8PB-135 Carling Technologies

8PB-135

HARDWARE CIRCUIT BREAKER

Carling Technologies

1,063 -
Datasheet - Bulk Active Mounting Block PB Series
3PH9P18MM Littelfuse Inc.

3PH9P18MM

BUSBAR 3 PHASE 9 POLE 18X158MM

Littelfuse Inc.

2,362 -
Datasheet POWR-BAR™ Bulk Active Bus Bar Fuseholder; POWR-SAFE
SMFH09 Siemens

SMFH09

CLASS SMF HEATER ELEMENT,0.356-0

Siemens

3,621 -
Datasheet - Box Active Heater -
2P25U3H/22 Altech Corporation

2P25U3H/22

BUSBAR2PHASE+1/2P25SQMM PIN TYPE

Altech Corporation

2,021 -
Datasheet - Bulk Active Bus Bar Miniature Molded Circuit Breakers
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WINSUN SOURCING SUPPORT

Need Circuit Protection Accessories 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 Protection Accessories FAQ

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

What should I check when selecting Circuit Protection Accessories 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 Protection Accessories 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 Protection Accessories 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 Protection Accessories 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.