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FILTERED PRODUCT SELECTION

Electrical, Specialty Fuses

Use the filters and product table below to compare Electrical, Specialty Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
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
PSR031UL0400Z Littelfuse Inc.

PSR031UL0400Z

FUSE SQUARE 400A 700VAC/600VDC

Littelfuse Inc.

4,706 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 400A 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) - -
PSR030FL0550Z Littelfuse Inc.

PSR030FL0550Z

FUSE SQUARE 550A 700VAC/600VDC

Littelfuse Inc.

3,131 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 550A 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) - -
PSR031DL0250Z Littelfuse Inc.

PSR031DL0250Z

FUSE SQUARE 250A 700VAC/600VDC

Littelfuse Inc.

6,907 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 250A 700 VAC 600 VDC Fast Blow Semiconductors Indicating - CCC, 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) - -
PSR070FS0050Z Littelfuse Inc.

PSR070FS0050Z

FUSE SQUARE 50A 1.3KVAC/1KVDC

Littelfuse Inc.

4,672 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 50A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - 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) - -
PSR070FS0100Z Littelfuse Inc.

PSR070FS0100Z

FUSE SQUARE 100A 1.3KVAC/1KVDC

Littelfuse Inc.

7,141 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 100A 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) - -
PSR071FS0200Z Littelfuse Inc.

PSR071FS0200Z

FUSE SQUARE 200A 1.3KVAC/1KVDC

Littelfuse Inc.

4,987 -
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 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR070FL0100Z Littelfuse Inc.

PSR070FL0100Z

FUSE SQUARE 100A 1.3KVAC/1KVDC

Littelfuse Inc.

4,981 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 100A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - 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) - -
PSR071UL0250Z Littelfuse Inc.

PSR071UL0250Z

FUSE SQUARE 250A 1.3KVAC/1KVDC

Littelfuse Inc.

9,511 -
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 2.843" L x 2.028" W x 2.264" H (72.20mm x 51.50mm x 57.50mm) - -
PSR070FL0315Z Littelfuse Inc.

PSR070FL0315Z

FUSE SQUARE 315A 1.3KVAC/1KVDC

Littelfuse Inc.

6,593 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 315A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - 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) - -
PSR031FL0700Z Littelfuse Inc.

PSR031FL0700Z

FUSE SQUARE 700A 700VAC/600VDC

Littelfuse Inc.

2,433 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 700A 700 VAC 600 VDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.969" L x 2.028" W x 2.264" H (50.00mm x 51.50mm x 57.50mm) - -
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WINSUN SOURCING SUPPORT

Need Help Sourcing Electrical, Specialty Fuses?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

Electrical, Specialty Fuses FAQ

Common questions about filtering, comparing and sourcing Electrical, Specialty Fuses components.

How can I narrow the Electrical, Specialty Fuses selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Electrical, Specialty Fuses part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.