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
LNRK500.X Littelfuse Inc.

LNRK500.X

FUSE CRTRDGE 500A 250VAC/125VDC

Littelfuse Inc.

3,400
RFQ
LNRK500.X Datasheet

Datasheet

POWR-GARD®, POWR-PRO® LLNRK Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 500A 250 VAC 125 VDC Slow Blow Electrical, Industrial - RK1 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.843" Dia x 10.374" L (72.20mm x 263.50mm) - -
LNRK600.X Littelfuse Inc.

LNRK600.X

FUSE CRTRDGE 600A 250VAC/125VDC

Littelfuse Inc.

2,228
RFQ
LNRK600.X Datasheet

Datasheet

POWR-GARD®, POWR-PRO® LLNRK Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 600A 250 VAC 125 VDC Slow Blow Electrical, Industrial - RK1 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.843" Dia x 10.374" L (72.20mm x 263.50mm) - -
LNRK450.X Littelfuse Inc.

LNRK450.X

FUSE CRTRDGE 450A 250VAC/125VDC

Littelfuse Inc.

6,941
RFQ
LNRK450.X Datasheet

Datasheet

POWR-GARD®, POWR-PRO® LLNRK Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 450A 250 VAC 125 VDC Slow Blow Electrical, Industrial - RK1 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.843" Dia x 10.374" L (72.20mm x 263.50mm) - -
40CIK07 Eaton - Bussmann Electrical Division

40CIK07

FUSE CRTRDGE 40A 600VAC CYLINDR

Eaton - Bussmann Electrical Division

2,022
RFQ
40CIK07 Datasheet

Datasheet

HRCI-MISC Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 40A 600 VAC - Fast Blow Electrical, Industrial - - CE, CSA - 200kA 1.063" Dia x 2.283" L (27.00mm x 58.00mm) - -
170M4533 Eaton - Bussmann Electrical Division

170M4533

FUSE 250A 1000V 1FKE/115 AR

Eaton - Bussmann Electrical Division

3,288
RFQ

-

170M Rectangular, Blade Bulk Active Bolt Mount Square 250A 1 kVAC - - Electrical, Industrial Indicating aR CE, UL - 125kA 2.992" L x 2.008" W x 2.677" H (76.00mm x 51.00mm x 68.00mm) - -
PSR072UL0350X Littelfuse Inc.

PSR072UL0350X

FUSE SQUARE 350A 1.3KVAC/1KVDC

Littelfuse Inc.

8,372
RFQ
PSR072UL0350X Datasheet

Datasheet

POWR-SPEED® PSR - Box 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 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072DL0350X Littelfuse Inc.

PSR072DL0350X

FUSE SQUARE 350A 1.3KVAC/1KVDC

Littelfuse Inc.

5,999
RFQ
PSR072DL0350X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072DL0280X Littelfuse Inc.

PSR072DL0280X

FUSE SQUARE 280A 1.3KVAC/1KVDC

Littelfuse Inc.

2,880
RFQ
PSR072DL0280X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 280A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072UL0280X Littelfuse Inc.

PSR072UL0280X

FUSE SQUARE 280A 1.3KVAC/1KVDC

Littelfuse Inc.

2,401
RFQ
PSR072UL0280X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 280A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072DL0250X Littelfuse Inc.

PSR072DL0250X

FUSE SQUARE 250A 1.3KVAC/1KVDC

Littelfuse Inc.

9,369
RFQ
PSR072DL0250X 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 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072UL0250X Littelfuse Inc.

PSR072UL0250X

FUSE SQUARE 250A 1.3KVAC/1KVDC

Littelfuse Inc.

5,639
RFQ
PSR072UL0250X 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 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072DL0315X Littelfuse Inc.

PSR072DL0315X

FUSE SQUARE 315A 1.3KVAC/1KVDC

Littelfuse Inc.

6,090
RFQ
PSR072DL0315X 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 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072UL0315X Littelfuse Inc.

PSR072UL0315X

FUSE SQUARE 315A 1.3KVAC/1KVDC

Littelfuse Inc.

3,534
RFQ
PSR072UL0315X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 315A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR072UL0400X Littelfuse Inc.

PSR072UL0400X

FUSE SQUARE 400A 1.3KVAC/1KVDC

Littelfuse Inc.

5,400
RFQ
PSR072UL0400X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 400A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
170M3270 Eaton - Bussmann Electrical Division

170M3270

FUSE SQUARE 450A 700VAC RECT

Eaton - Bussmann Electrical Division

6,397
RFQ
170M3270 Datasheet

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 450A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 1.772" W x 2.283" H (50.00mm x 45.00mm x 58.00mm) - -
170M3271 Eaton - Bussmann Electrical Division

170M3271

FUSE SQUARE 500A 700VAC RECT

Eaton - Bussmann Electrical Division

5,786
RFQ
170M3271 Datasheet

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 500A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 1.772" W x 2.283" H (50.00mm x 45.00mm x 58.00mm) - -
170M3272 Eaton - Bussmann Electrical Division

170M3272

FUSE SQUARE 550A 700VAC RECT

Eaton - Bussmann Electrical Division

7,740
RFQ
170M3272 Datasheet

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 550A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 1.772" W x 2.283" H (50.00mm x 45.00mm x 58.00mm) - -
170M3273 Eaton - Bussmann Electrical Division

170M3273

FUSE SQUARE 630A 700VAC RECT

Eaton - Bussmann Electrical Division

3,342
RFQ
170M3273 Datasheet

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 630A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 1.772" W x 2.283" H (50.00mm x 45.00mm x 58.00mm) - -
7.2ABWNA6.3 Eaton - Bussmann Electrical Division

7.2ABWNA6.3

FUSE CARTRIDGE 6.3A 7.2KVAC

Eaton - Bussmann Electrical Division

7,491
RFQ
7.2ABWNA6.3 Datasheet

Datasheet

- Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 6.3A 7.2 kVAC - - - - - - - 45kA 1.000" Dia x 5.591" L (25.40mm x 142.00mm) - -
170M3569 Eaton - Bussmann Electrical Division

170M3569

FUSE SQUARE 400A 700VAC RECT

Eaton - Bussmann Electrical Division

9,428
RFQ
170M3569 Datasheet

Datasheet

- Rectangular, Blade Bulk Active Requires Holder Square 400A 700 VAC - - Electrical, Industrial Indicating - CSA, UR - 200kA 2.323" L x 1.772" W x 2.008" H (59.00mm x 45.00mm x 51.00mm) - -
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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.