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Electrical, Specialty Fuses

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

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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package / Case Packaging Product Status Mounting Type Fuse Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Response Time Applications Features Class Approval Agency Operating Temperature Breaking Capacity @ Rated Voltage Size / Dimension Grade Qualification
A50QS600-4 Mersen USA Newburyport-MA L.L.C.

A50QS600-4

500V 600A SEMICOND FUSE (A50Q

Mersen USA Newburyport-MA L.L.C.

8,808 -
Datasheet A50QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 600A 500 VAC 500 VDC Fast Blow Electrical, Industrial - - CSA, UR - 200kA AC, 87kA DC 2.000" Dia x 4.468" L (50.80mm x 113.49mm) - -
FLNR400.X Littelfuse Inc.

FLNR400.X

FUSE CRTRDGE 400A 250VAC/125VDC

Littelfuse Inc.

2,169 -
Datasheet POWR-GARD® FLNR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 250 VAC 125 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.094" Dia x 8.626" L (53.19mm x 219.10mm) - -
A6D150R Mersen USA Newburyport-MA L.L.C.

A6D150R

600V 150A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

3,322 -
Datasheet A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 150A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
A6D200R Mersen USA Newburyport-MA L.L.C.

A6D200R

600V 200A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

4,184 -
Datasheet A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 200A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
A6D175R Mersen USA Newburyport-MA L.L.C.

A6D175R

600V 175A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

8,955 -
Datasheet A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 175A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
FWH-250A Eaton - Bussmann Electrical Division

FWH-250A

FUSE CARTRIDGE 250A 500VAC/VDC

Eaton - Bussmann Electrical Division

2,253 -
Datasheet FWH Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 250A 500 VAC 500 VDC - Electrical, Industrial - - CE, CSA, UR - 200kA AC, 50kA DC 1.500" Dia x 4.340" L (38.10mm x 110.24mm) - -
L75QS200.V Littelfuse Inc.

L75QS200.V

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

6,224 -
Datasheet POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 200A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 1.218" Dia x 2.875" L (30.94mm x 73.03mm) - -
L75QS150.V Littelfuse Inc.

L75QS150.V

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

2,253 -
Datasheet POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 150A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 1.218" Dia x 2.875" L (30.94mm x 73.03mm) - -
JLLS225.X Littelfuse Inc.

JLLS225.X

FUSE CRTRDGE 225A 600VAC/300VDC

Littelfuse Inc.

3,760 -
Datasheet POWR-GARD® JLLS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 225A 600 VAC 300 VDC Fast Blow Electrical, Industrial - T CE, CSA, UL - 200kA 1.594" Dia x 1.720" L (40.50mm x 43.70mm) - -
A70QS300-4 Mersen USA Newburyport-MA L.L.C.

A70QS300-4

94833-FUSE,FORM 101

Mersen USA Newburyport-MA L.L.C.

3,041 -
Datasheet A70QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 300A 700 VAC 700 VDC Fast Blow Motor Protection - - CSA, UL - 200kA AC, 100kA DC 1.500" Dia x 5.079" L (38.10mm x 129.00mm) - -
A70QS400-4 Mersen USA Newburyport-MA L.L.C.

A70QS400-4

94879-FUSE,FORM 101

Mersen USA Newburyport-MA L.L.C.

2,925 -
Datasheet A70QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 700 VAC 700 VDC Fast Blow Motor Protection - - CSA, UL - 200kA AC, 100kA DC 1.500" Dia x 5.079" L (38.10mm x 129.00mm) - -
0JLS175.X Littelfuse Inc.

0JLS175.X

FUSE CRTRDGE 175A 600VAC CYLINDR

Littelfuse Inc.

4,505 -
Datasheet POWR-GARD® JLS Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 175A 600 VAC - Fast Blow Electrical, Industrial - J CE, CSA, QPL, UL - 200kA 1.500" Dia x 3.000" L (38.10mm x 76.20mm) - -
L15S450.T Littelfuse Inc.

L15S450.T

FUSE CRTRDGE 450A 150VAC/100VDC

Littelfuse Inc.

4,748 -
Datasheet POWR-GARD® L15S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 450A 150 VAC 100 VDC Fast Blow Semiconductors - - CE, CSA, UR - 100kA AC, 20kA DC 1.000" Dia x 1.157" L (25.40mm x 29.40mm) - -
L15S500.V Littelfuse Inc.

L15S500.V

FUSE CRTRDGE 500A 150VAC/100VDC

Littelfuse Inc.

1,225 -
Datasheet POWR-GARD® L15S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 500A 150 VAC 100 VDC Fast Blow Semiconductors - - CE, CSA, UR - 100kA AC, 20kA DC 1.500" Dia x 1.252" L (38.10mm x 31.80mm) - -
SPFJ090.X Littelfuse Inc.

SPFJ090.X

FUSE CARTRIDGE 90A 1KVDC CYLINDR

Littelfuse Inc.

2,881 -
Datasheet POWR-GARD® SPFJ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 90A - 1 kVDC Fast Blow Solar (Photovoltaic) - J CE, UL - 20kA 1.500" Dia x 3.012" L (38.10mm x 76.50mm) - -
SPFJ160.XXL Littelfuse Inc.

SPFJ160.XXL

FUSE CARTRIDGE 160A 600VAC/1KVDC

Littelfuse Inc.

1,732 -
Datasheet POWR-GARD® SPFJ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 160A 600 VAC 1 kVDC Fast Blow Solar (Photovoltaic) - - CE, UL - 200kA AC, 20kA DC 1.500" Dia x 3.012" L (38.10mm x 76.50mm) - -
TRS300R Mersen USA Newburyport-MA L.L.C.

TRS300R

600V 300A 11 5/8X2 9/16 T

Mersen USA Newburyport-MA L.L.C.

3,019 -
Datasheet TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
TRS400R Mersen USA Newburyport-MA L.L.C.

TRS400R

600V 400A 11 5/8X2 9/16 T

Mersen USA Newburyport-MA L.L.C.

4,898 -
Datasheet TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
TRS300RID Mersen USA Newburyport-MA L.L.C.

TRS300RID

600V 300A TD RK5 FUSE SMARTSPO

Mersen USA Newburyport-MA L.L.C.

2,434 -
Datasheet TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 600 VAC 600 VDC Slow Blow Electrical, Industrial Indicating RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
A6K200R Mersen USA Newburyport-MA L.L.C.

A6K200R

FUSE,FAST ACTING,CLASSRK1,REJECT

Mersen USA Newburyport-MA L.L.C.

4,478 -
Datasheet A6K-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 200A 600 VAC 300 VDC Fast Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 20kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
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Electrical, Specialty Fuses FAQ

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What should I check when selecting Electrical, Specialty Fuses components?

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

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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.

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

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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.