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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.

Compare Part Numbers Review available models and manufacturers
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
AL400L61K3 Schneider Electric

AL400L61K3

CIRCUIT BREAKER MECHANICAL LUG K

Schneider Electric

2,420 -
Datasheet - Box Obsolete Lug Circuit Breakers
7940104509 Weidmüller

7940104509

BR MCB/BUSBAR/3PH/57POLES

Weidmüller

3,227 -
Datasheet - Box Active - -
BB22 Littelfuse Inc.

BB22

BUSBAR TERMINAL

Littelfuse Inc.

3,877 -
Datasheet * Box Active - -
3P25U3S/57 Altech Corporation

3P25U3S/57

BUSBAR3 PHASE+1P25SQMM PIN TYPE5

Altech Corporation

4,706 -
Datasheet - Bulk Active Bus Bar Circuit Breaker
QOSPD20 Schneider Electric

QOSPD20

SPD T2 QO 1P 20KA 230V

Schneider Electric

2,897 -
Datasheet - Box Active - -
G80057 Siemens

G80057

JOHNSTONE SUP GDSS NF 3P3W 240V

Siemens

3,370 -
Datasheet - Box Active Switch -
3P25U3H/66 Altech Corporation

3P25U3H/66

BUSBAR3 PHASE+1/2P25SQMM PIN TYP

Altech Corporation

3,158 -
Datasheet - Bulk Active Bus Bar Circuit Breaker
GVAU505 Schneider Electric

GVAU505

TESYS UNDERVOLTAGE TRIP 500V50

Schneider Electric

4,682 -
Datasheet TeSys Deca Box Active Undervoltage Release -
GNF221RLLA Siemens

GNF221RLLA

GDSS NF 2P2W 240V 30A N3R MAX SE

Siemens

4,935 -
Datasheet - Bulk Active Switch -
LV426991 Schneider Electric

LV426991

KIT 8 LIMITED TORQUE THROWAWAY S

Schneider Electric

1,631 -
Datasheet - Box Active Screw Circuit Breakers
1A9722-01 Eaton - Bussmann Electrical Division

1A9722-01

TILT BIN DISPLAY

Eaton - Bussmann Electrical Division

4,348 -
Datasheet * Bulk Active - -
3P25U3/78 Altech Corporation

3P25U3/78

BUSBAR3 PHASE25SQMMPIN TYPE 78 L

Altech Corporation

3,848 -
Datasheet - Bulk Active Bus Bar Circuit Breaker
QO816L100TS Schneider Electric

QO816L100TS

LD CTR QO MLO 240V 100A 1PH 8SP

Schneider Electric

1,199 -
Datasheet - Box Obsolete Power Distribution System Circuit Breakers
M9XUP112 Schneider Electric

M9XUP112

MULTI9 1P 12 MODULES UL508 COMB

Schneider Electric

1,450 -
Datasheet - Box Active Comb Bar Circuit Breakers
QOC40UFW Schneider Electric

QOC40UFW

LOADCTR QO WHITE COVER

Schneider Electric

2,653 -
Datasheet - Box Obsolete Cover Circuit Breakers
2A1910-2 Eaton - Bussmann Electrical Division

2A1910-2

KIT NEMA1 LOCK AND 2 KEYS

Eaton - Bussmann Electrical Division

3,918 -
Datasheet Quik-Spec™ Bulk Active Lock with Keys Quik-Spec™ Panelboards
EC-250 Eaton - Bussmann Electrical Division

EC-250

FUSE INDICATOR KIT FOR LET FUSE

Eaton - Bussmann Electrical Division

2,629 -
Datasheet - Bulk Active Indicator and Clips Fuse; LET
CCDB-3-30 Eaton - Bussmann Electrical Division

CCDB-3-30

CCD BASE, 3 POLE, 30A

Eaton - Bussmann Electrical Division

4,391 -
Datasheet CCDB Bulk Active Base Switches
QOC54UFW Schneider Electric

QOC54UFW

LOADCTR QO COVER WHITE COLOR MIN

Schneider Electric

1,068 -
Datasheet - Box Obsolete - -
EHX2-16/24 American Electrical Inc.

EHX2-16/24

H&LE UTS 150N & UTS 250N

American Electrical Inc.

3,170 -
Datasheet - Box Active Handle, Extended Disconnect UTS150, UTS250 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.