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
PSR031FS0700Z Littelfuse Inc.

PSR031FS0700Z

FUSE SQUARE 700A 700VAC/600VDC

Littelfuse Inc.

1,366
RFQ
PSR031FS0700Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 700A 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) - -
PSR032FS0500Z Littelfuse Inc.

PSR032FS0500Z

FUSE SQUARE 500A 700VAC/600VDC

Littelfuse Inc.

3,283
RFQ
PSR032FS0500Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 500A 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) - -
PSR070FL0050Z Littelfuse Inc.

PSR070FL0050Z

FUSE SQUARE 50A 1.3KVAC/1KVDC

Littelfuse Inc.

4,065
RFQ
PSR070FL0050Z 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) - -
PSR070FL0063Z Littelfuse Inc.

PSR070FL0063Z

FUSE SQUARE 63A 1.3KVAC/1KVDC

Littelfuse Inc.

3,229
RFQ
PSR070FL0063Z Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 63A 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) - -
PSR070FL0080Z Littelfuse Inc.

PSR070FL0080Z

FUSE SQUARE 80A 1.3KVAC/1KVDC

Littelfuse Inc.

2,948
RFQ
PSR070FL0080Z Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 80A 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) - -
PSR032FL1250Z Littelfuse Inc.

PSR032FL1250Z

FUSES POWR-SPEED

Littelfuse Inc.

3,631
RFQ
PSR032FL1250Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 1.25kA 600 VAC 550 VDC Fast Blow Semiconductors Indicating - 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) - -
PSR031US0900Z Littelfuse Inc.

PSR031US0900Z

FUSES POWR-SPEED

Littelfuse Inc.

4,591
RFQ
PSR031US0900Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 900A 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.028" W x 2.264" H (49.20mm x 51.50mm x 57.50mm) - -
PSR031DS0900Z Littelfuse Inc.

PSR031DS0900Z

FUSES POWR-SPEED

Littelfuse Inc.

4,933
RFQ
PSR031DS0900Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 900A 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.028" W x 2.264" H (49.20mm x 51.50mm x 57.50mm) - -
FLSR400.XXID Littelfuse Inc.

FLSR400.XXID

FUSE CRTRDGE 400A 600VAC/300VDC

Littelfuse Inc.

1,632
RFQ
FLSR400.XXID Datasheet

Datasheet

POWR-GARD® FLSR_ID Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 600 VAC 300 VDC Slow Blow Electrical, Industrial Indicating RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.594" Dia x 11.626" L (65.90mm x 295.30mm) - -
PSR032FS0900Z Littelfuse Inc.

PSR032FS0900Z

FUSE SQUARE 900A 700VAC/600VDC

Littelfuse Inc.

1,893
RFQ
PSR032FS0900Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 900A 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) - -
B8407729 Eaton - Bussmann Electrical Division

B8407729

TERM BLOCK BARRIER

Eaton - Bussmann Electrical Division

3,475
RFQ
B8407729 Datasheet

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Cartridge - 150 VAC 150 VDC - Electrical, Industrial - - - - - 5.500" L x 2.000" W x 2.000" H (139.70mm x 50.80mm x 50.80mm) - -
PSR033FS0500Z Littelfuse Inc.

PSR033FS0500Z

FUSE SQUARE 500A 700VAC/600VDC

Littelfuse Inc.

1,664
RFQ
PSR033FS0500Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 500A 700 VAC 600 VDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.894" W x 3.130" H (51.00mm x 73.50mm x 79.50mm) - -
PSR031FL0900Z Littelfuse Inc.

PSR031FL0900Z

FUSES POWR-SPEED

Littelfuse Inc.

1,644
RFQ
PSR031FL0900Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 900A 600 VAC 550 VDC Fast Blow Semiconductors Indicating - 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) - -
PSR031FS0900Z Littelfuse Inc.

PSR031FS0900Z

FUSES POWR-SPEED

Littelfuse Inc.

2,227
RFQ
PSR031FS0900Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 900A 600 VAC 550 VDC Fast Blow Semiconductors Indicating - 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) - -
PSR072FS0400Z Littelfuse Inc.

PSR072FS0400Z

FUSE SQUARE 400A 1.3KVAC/1KVDC

Littelfuse Inc.

1,205
RFQ
PSR072FS0400Z Datasheet

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 2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm) - -
PSR072FS0250Z Littelfuse Inc.

PSR072FS0250Z

FUSE SQUARE 250A 1.3KVAC/1KVDC

Littelfuse Inc.

4,057
RFQ
PSR072FS0250Z Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 250A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - 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) - -
PSR031UL0900Z Littelfuse Inc.

PSR031UL0900Z

FUSES POWR-SPEED

Littelfuse Inc.

2,344
RFQ
PSR031UL0900Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 900A 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.028" W x 2.264" H (49.20mm x 51.50mm x 57.50mm) - -
PSR031DL0900Z Littelfuse Inc.

PSR031DL0900Z

FUSES POWR-SPEED

Littelfuse Inc.

3,107
RFQ
PSR031DL0900Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 900A 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.028" W x 2.264" H (49.20mm x 51.50mm x 57.50mm) - -
PSR033FS0900Z Littelfuse Inc.

PSR033FS0900Z

FUSE SQUARE 900A 700VAC/600VDC

Littelfuse Inc.

3,503
RFQ
PSR033FS0900Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 900A 700 VAC 600 VDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.894" W x 3.130" H (51.00mm x 73.50mm x 79.50mm) - -
PSR071UL0500Z Littelfuse Inc.

PSR071UL0500Z

FUSES POWR-SPEED

Littelfuse Inc.

3,196
RFQ
PSR071UL0500Z Datasheet

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) - -
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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.