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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
L50QS350.V Littelfuse Inc.

L50QS350.V

FUSE CRTRDGE 350A 500VAC/VDC

Littelfuse Inc.

3,800 -
Datasheet POWR-SPEED™ L50QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 350A 500 VAC 500 VDC Fast Blow Semiconductors - - CE, cURus, UR -55°C ~ 125°C 200kA AC, 50kA DC 1.500" Dia x 4.343" L (38.10mm x 110.31mm) - -
170M1565D Eaton - Bussmann Electrical Division

170M1565D

FUSE SQUARE 63A 690VAC RECT

Eaton - Bussmann Electrical Division

3,089 -
Datasheet - Rectangular, Blade Bulk Active Requires Holder Square 63A 690 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 2.087" L x 0.807" W x 2.047" H (53.00mm x 20.50mm x 52.00mm) - -
170M1372 Eaton - Bussmann Electrical Division

170M1372

FUSE SQUARE 315A 700VAC RECT

Eaton - Bussmann Electrical Division

3,628 -
Datasheet - Rectangular, Blade Bulk Active Bolt Mount Square 315A 700 VAC - - Electrical, Industrial Indicating - CE, UR - 200kA 2.126" L x 0.827" W x 1.575" H (54.00mm x 21.00mm x 40.00mm) - -
FLSR150.XXID Littelfuse Inc.

FLSR150.XXID

FUSE CRTRDGE 150A 600VAC/300VDC

Littelfuse Inc.

3,277 -
Datasheet POWR-GARD® FLSR_ID Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 150A 600 VAC 300 VDC Slow Blow Electrical, Industrial Indicating RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 1.843" Dia x 9.626" L (46.80mm x 244.50mm) - -
FLSR200.XXID Littelfuse Inc.

FLSR200.XXID

FUSE CRTRDGE 200A 600VAC/300VDC

Littelfuse Inc.

3,045 -
Datasheet POWR-GARD® FLSR_ID Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 200A 600 VAC 300 VDC Slow Blow Electrical, Industrial Indicating RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 1.843" Dia x 9.626" L (46.80mm x 244.50mm) - -
FWH-150B Eaton - Bussmann Electrical Division

FWH-150B

FUSE CARTRIDGE 150A 500VAC/VDC

Eaton - Bussmann Electrical Division

4,959 -
Datasheet FWH Cylindrical, Blade Terminal (Bolt) Bulk Active Requires Holder Cartridge 150A 500 VAC 500 VDC - Electrical, Industrial - - CE, UR - 200kA AC, 50kA DC 1.156" Dia x 1.836" L (29.36mm x 46.63mm) - -
LPJ-70SP Eaton - Bussmann Electrical Division

LPJ-70SP

FUSE CARTRIDGE 70A 600VAC/300VDC

Eaton - Bussmann Electrical Division

1,202 -
Datasheet LOW-PEAK™ LPJ Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 70A 600 VAC 300 VDC Slow Blow Electrical, Industrial - J CE, CSA, UL - 300kA AC, 100kA DC 1.130" Dia x 2.630" L (28.70mm x 66.80mm) - -
LPJ-100SP Eaton - Bussmann Electrical Division

LPJ-100SP

FUSE CRTRDGE 100A 600VAC/300VDC

Eaton - Bussmann Electrical Division

2,658 -
Datasheet LOW-PEAK™ LPJ Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 100A 600 VAC 300 VDC Slow Blow Electrical, Industrial - J CE, CSA, UL - 300kA AC, 100kA DC 1.130" Dia x 2.630" L (28.70mm x 66.80mm) - -
LPJ-90SP Eaton - Bussmann Electrical Division

LPJ-90SP

FUSE CARTRIDGE 90A 600VAC/300VDC

Eaton - Bussmann Electrical Division

3,277 -
Datasheet LOW-PEAK™ LPJ Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 90A 600 VAC 300 VDC Slow Blow Electrical, Industrial - J CE, CSA, UL - 300kA AC, 100kA DC 1.130" Dia x 2.630" L (28.70mm x 66.80mm) - -
PSR030FS0125Z Littelfuse Inc.

PSR030FS0125Z

FUSE SQUARE 125A 700VAC/600VDC

Littelfuse Inc.

1,558 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 125A 700 VAC 600 VDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.969" L x 1.693" W x 1.929" H (50.00mm x 43.00mm x 49.00mm) - -
FWH-350A Eaton - Bussmann Electrical Division

FWH-350A

FUSE CARTRIDGE 350A 500VAC/VDC

Eaton - Bussmann Electrical Division

1,422 -
Datasheet FWH Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 350A 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) - -
170M2667 Eaton - Bussmann Electrical Division

170M2667

FUSE SQUARE 200A 700VAC RECT

Eaton - Bussmann Electrical Division

4,794 -
Datasheet - Rectangular, Blade Bulk Active Bolt Mount Square 200A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 2.126" L x 1.181" W x 2.008" H (54.00mm x 30.00mm x 51.00mm) - -
PSR030UL0630Z Littelfuse Inc.

PSR030UL0630Z

FUSES POWR-SPEED

Littelfuse Inc.

3,819 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 630A 700 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.878" L x 1.693" W x 1.929" H (47.70mm x 43.00mm x 49.00mm) - -
L15S1000V Littelfuse Inc.

L15S1000V

FUSE CARTRIDGE 1KA 150VAC/100VDC

Littelfuse Inc.

1,415 -
Datasheet POWR-GARD® L15S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 1kA 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) - -
SPFJ100.X Littelfuse Inc.

SPFJ100.X

FUSE CRTRDGE 100A 1KVDC CYLINDR

Littelfuse Inc.

1,149 -
Datasheet POWR-GARD® SPFJ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 100A - 1 kVDC Fast Blow Solar (Photovoltaic) - J CE, UL - 20kA 1.500" Dia x 3.012" L (38.10mm x 76.50mm) - -
L50QS450.X Littelfuse Inc.

L50QS450.X

FUSE CRTRDGE 450A 500VAC/VDC

Littelfuse Inc.

4,037 -
Datasheet POWR-SPEED™ L50QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 450A 500 VAC 500 VDC Fast Blow Semiconductors - - CE, cURus, UR -55°C ~ 125°C 200kA AC, 50kA DC 2.000" Dia x 4.468" L (50.80mm x 113.49mm) - -
FWH-400A Eaton - Bussmann Electrical Division

FWH-400A

FUSE CARTRIDGE 400A 500VAC/VDC

Eaton - Bussmann Electrical Division

2,103 -
Datasheet FWH Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 400A 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) - -
FRS-R-150 Eaton - Bussmann Electrical Division

FRS-R-150

FUSE CRTRDGE 150A 600VAC/300VDC

Eaton - Bussmann Electrical Division

4,956 -
Datasheet Fusetron™ FRS-R Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 150A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, UL - 200kA AC, 20kA DC 1.610" Dia x 9.630" L (40.89mm x 244.60mm) - -
L70QS300.X Littelfuse Inc.

L70QS300.X

FUSE CARTRIDGE 300A 700VAC/VDC

Littelfuse Inc.

3,031 -
Datasheet POWR-SPEED™ L70QS Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 300A 700 VAC 700 VDC Fast Blow Semiconductors - - CE, cURus -55°C ~ 125°C 200kA AC, 50kA DC 2.000" Dia x 2.844" L (50.80mm x 72.24mm) - -
PSR031UL0200Z Littelfuse Inc.

PSR031UL0200Z

FUSE SQUARE 200A 700VAC/600VDC

Littelfuse Inc.

1,279 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 200A 700 VAC 600 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) - -
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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.