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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
L75QS400.X Littelfuse Inc.

L75QS400.X

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

1,270 -
Datasheet POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 2.000" Dia x 2.844" L (50.80mm x 72.24mm) - -
PSR070UL0100Z Littelfuse Inc.

PSR070UL0100Z

FUSE SQUARE 100A 1.3KVAC/1KVDC

Littelfuse Inc.

1,558 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 100A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm) - -
PSR070UL0125Z Littelfuse Inc.

PSR070UL0125Z

FUSE SQUARE 125A 1.3KVAC/1KVDC

Littelfuse Inc.

2,016 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 125A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm) - -
PSR070UL0250Z Littelfuse Inc.

PSR070UL0250Z

FUSE SQUARE 250A 1.3KVAC/1KVDC

Littelfuse Inc.

4,800 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 250A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm) - -
PSR070UL0160Z Littelfuse Inc.

PSR070UL0160Z

FUSE SQUARE 160A 1.3KVAC/1KVDC

Littelfuse Inc.

3,109 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 160A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm) - -
FLSR400.X Littelfuse Inc.

FLSR400.X

FUSE CRTRDGE 400A 600VAC/300VDC

Littelfuse Inc.

3,042 -
Datasheet POWR-GARD® FLSR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.594" Dia x 11.626" L (65.90mm x 295.30mm) - -
PSR070FS0160Z Littelfuse Inc.

PSR070FS0160Z

FUSE SQUARE 160A 1.3KVAC/1KVDC

Littelfuse Inc.

3,591 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 160A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) - -
PSR070FS0200Z Littelfuse Inc.

PSR070FS0200Z

FUSE SQUARE 200A 1.3KVAC/1KVDC

Littelfuse Inc.

3,678 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 200A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) - -
PSR071FL0350Z Littelfuse Inc.

PSR071FL0350Z

FUSE SQUARE 350A 1.3KVAC/1KVDC

Littelfuse Inc.

2,399 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR071FL0400Z Littelfuse Inc.

PSR071FL0400Z

FUSE SQUARE 400A 1.3KVAC/1KVDC

Littelfuse Inc.

1,869 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 400A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR071FS0400Z Littelfuse Inc.

PSR071FS0400Z

FUSE SQUARE 400A 1.3KVAC/1KVDC

Littelfuse Inc.

1,148 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 400A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR070UL0350Z Littelfuse Inc.

PSR070UL0350Z

FUSES POWR-SPEED

Littelfuse Inc.

1,949 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.823" L x 1.693" W x 1.929" H (71.70mm x 43.00mm x 49.00mm) - -
PSR070DL0350Z Littelfuse Inc.

PSR070DL0350Z

FUSES POWR-SPEED

Littelfuse Inc.

4,062 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.823" L x 1.693" W x 1.929" H (71.70mm x 43.00mm x 49.00mm) - -
PSR070DL0400Z Littelfuse Inc.

PSR070DL0400Z

FUSES POWR-SPEED

Littelfuse Inc.

2,044 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 400A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.823" L x 1.693" W x 1.929" H (71.70mm x 43.00mm x 49.00mm) - -
LPJ-150SP Eaton - Bussmann Electrical Division

LPJ-150SP

FUSE CRTRDGE 150A 600VAC/300VDC

Eaton - Bussmann Electrical Division

4,908 -
Datasheet LOW-PEAK™ LPJ Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 150A 600 VAC 300 VDC Slow Blow Electrical, Industrial - J CE, CSA, UL - 300kA AC, 100kA DC 1.500" Dia x 3.000" L (38.10mm x 76.20mm) - -
PSR070FL0400Z Littelfuse Inc.

PSR070FL0400Z

FUSES POWR-SPEED

Littelfuse Inc.

1,046 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 400A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) - -
PSR032UL1000X Littelfuse Inc.

PSR032UL1000X

FUSE SQUARE 1KA 700VAC/600VDC

Littelfuse Inc.

3,132 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 1kA 700 VAC 600 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.898" L x 2.362" W x 2.598" H (48.20mm x 60.00mm x 66.00mm) - -
PSR071DL0500Z Littelfuse Inc.

PSR071DL0500Z

FUSES POWR-SPEED

Littelfuse Inc.

1,692 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 500A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.028" W x 2.264" H (73.20mm x 51.50mm x 57.50mm) - -
PSX1XLDB0200X Littelfuse Inc.

PSX1XLDB0200X

FUSE SEMI 1500VDC 1XL SIZE 200A

Littelfuse Inc.

3,220 -
Datasheet POWR-SPEED® PSX Rectangular, Blade Box Active Bolt Mount Square 200A - 1.5 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) - -
PSR072FS0630Z Littelfuse Inc.

PSR072FS0630Z

FUSE SQUARE 630A 1.3KVAC/1KVDC

Littelfuse Inc.

1,704 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 630A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm) - -
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Electrical, Specialty Fuses FAQ

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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.