Electrical, Specialty Fuses

Manufacturer 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






























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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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
PSR030FL0200Z Littelfuse Inc.

PSR030FL0200Z

FUSE SQUARE 200A 700VAC/600VDC

Littelfuse Inc.

2,825
RFQ
PSR030FL0200Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 200A 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) - -
PSR030FS0200Z Littelfuse Inc.

PSR030FS0200Z

FUSE SQUARE 200A 700VAC/600VDC

Littelfuse Inc.

4,159
RFQ
PSR030FS0200Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 200A 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) - -
PSR030FL0450Z Littelfuse Inc.

PSR030FL0450Z

FUSE SQUARE 450A 700VAC/600VDC

Littelfuse Inc.

7,587
RFQ
PSR030FL0450Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 450A 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) - -
PSR030FS0400Z Littelfuse Inc.

PSR030FS0400Z

FUSE SQUARE 400A 700VAC/600VDC

Littelfuse Inc.

9,093
RFQ
PSR030FS0400Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 400A 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) - -
PSR031FS0400Z Littelfuse Inc.

PSR031FS0400Z

FUSE SQUARE 400A 700VAC/600VDC

Littelfuse Inc.

3,321
RFQ
PSR031FS0400Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 400A 700 VAC 600 VDC Fast Blow Semiconductors - - 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) - -
FRS-R-200 Eaton - Bussmann Electrical Division

FRS-R-200

FUSE CRTRDGE 200A 600VAC/300VDC

Eaton - Bussmann Electrical Division

3,127
RFQ
FRS-R-200 Datasheet

Datasheet

Fusetron™ FRS-R Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 200A 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) - -
PSR031UL0400Z Littelfuse Inc.

PSR031UL0400Z

FUSE SQUARE 400A 700VAC/600VDC

Littelfuse Inc.

4,706
RFQ
PSR031UL0400Z Datasheet

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) - -
FRS-R-125 Eaton - Bussmann Electrical Division

FRS-R-125

FUSE CRTRDGE 125A 600VAC/300VDC

Eaton - Bussmann Electrical Division

2,249
RFQ
FRS-R-125 Datasheet

Datasheet

Fusetron™ FRS-R Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 125A 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) - -
PSR030FL0550Z Littelfuse Inc.

PSR030FL0550Z

FUSE SQUARE 550A 700VAC/600VDC

Littelfuse Inc.

3,131
RFQ
PSR030FL0550Z Datasheet

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
RFQ
PSR031DL0250Z Datasheet

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
RFQ
PSR070FS0050Z Datasheet

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
RFQ
PSR070FS0100Z Datasheet

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
RFQ
PSR071FS0200Z Datasheet

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
RFQ
PSR070FL0100Z Datasheet

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
RFQ
PSR071UL0250Z Datasheet

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
RFQ
PSR070FL0315Z Datasheet

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
RFQ
PSR031FL0700Z Datasheet

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) - -
PSR031FL0800Z Littelfuse Inc.

PSR031FL0800Z

FUSE SQUARE 800A 700VAC/600VDC

Littelfuse Inc.

6,386
RFQ
PSR031FL0800Z Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 800A 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) - -
PSR032FS1000Z Littelfuse Inc.

PSR032FS1000Z

FUSE SQUARE 1KA 700VAC/600VDC

Littelfuse Inc.

6,631
RFQ
PSR032FS1000Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 1kA 700 VAC 600 VDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm) - -
PSR070UL0400Z Littelfuse Inc.

PSR070UL0400Z

FUSES POWR-SPEED

Littelfuse Inc.

3,997
RFQ
PSR070UL0400Z Datasheet

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) - -
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Electrical, Specialty Fuses Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Electrical, Specialty Fuses components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Electrical, Specialty Fuses Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Electrical, Specialty Fuses FAQ

Can FPGAX source both active and end-of-life Electrical, Specialty Fuses components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Electrical, Specialty Fuses sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.