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
A6D400R Mersen USA Newburyport-MA L.L.C.

A6D400R

600V 400A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

6,597
RFQ
A6D400R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
0JTD200.X Littelfuse Inc.

0JTD200.X

FUSE CRTRDGE 200A 600VAC/500VDC

Littelfuse Inc.

2,088
RFQ
0JTD200.X Datasheet

Datasheet

POWR-GARD®, POWR-PRO® JTD Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 200A 600 VAC 500 VDC Slow Blow Transformer Protection - J CE, CSA, UL - 200kA AC, 20kA DC 1.500" Dia x 3.000" L (38.10mm x 76.20mm) - -
0JTD150.X Littelfuse Inc.

0JTD150.X

FUSE CRTRDGE 150A 600VAC/500VDC

Littelfuse Inc.

4,007
RFQ
0JTD150.X Datasheet

Datasheet

POWR-GARD®, POWR-PRO® JTD Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 150A 600 VAC 500 VDC Slow Blow Transformer Protection - J CE, CSA, UL - 200kA AC, 20kA DC 1.500" Dia x 3.000" L (38.10mm x 76.20mm) - -
LPS-RK-200SP Eaton - Bussmann Electrical Division

LPS-RK-200SP

FUSE CRTRDGE 200A 600VAC/300VDC

Eaton - Bussmann Electrical Division

4,772
RFQ
LPS-RK-200SP Datasheet

Datasheet

Low-Peak™ LPS Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 200A 600 VAC 300 VDC Slow Blow Motor Protection, Transformer Protection - RK1 CE, CSA, UL - 300kA AC, 100kA DC 1.610" Dia x 9.630" L (40.89mm x 244.60mm) - -
L75QS250.X Littelfuse Inc.

L75QS250.X

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

8,223
RFQ
L75QS250.X Datasheet

Datasheet

POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 250A - 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) - -
FLNR600.XXID Littelfuse Inc.

FLNR600.XXID

FUSE CRTRDGE 600A 250VAC/125VDC

Littelfuse Inc.

2,840
RFQ
FLNR600.XXID Datasheet

Datasheet

POWR-GARD® FLNR_ID Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 600A 250 VAC 125 VDC Slow Blow Electrical, Industrial Indicating RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.594" Dia x 10.374" L (65.90mm x 263.50mm) - -
A50QS800-4 Mersen USA Newburyport-MA L.L.C.

A50QS800-4

FUSE,FAST ACTING,NO BLOWN INDICA

Mersen USA Newburyport-MA L.L.C.

2,883
RFQ
A50QS800-4 Datasheet

Datasheet

A50QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 800A 500 VAC 500 VDC Fast Blow Electrical, Industrial - - CSA, UR - 200kA AC, 87kA DC 2.374" Dia x 6.469" L (60.30mm x 164.30mm) - -
PSR031FL0630Z Littelfuse Inc.

PSR031FL0630Z

FUSE SQUARE 630A 700VAC/600VDC

Littelfuse Inc.

3,328
RFQ
PSR031FL0630Z Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 630A 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) - -
FLSR300.X Littelfuse Inc.

FLSR300.X

FUSE CRTRDGE 300A 600VAC/300VDC

Littelfuse Inc.

4,897
RFQ
FLSR300.X Datasheet

Datasheet

POWR-GARD® FLSR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 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) - -
A4J225 Mersen USA Newburyport-MA L.L.C.

A4J225

FUSE,CLASS J,HIGH SPEED,200KA AC

Mersen USA Newburyport-MA L.L.C.

2,834
RFQ
A4J225 Datasheet

Datasheet

A4J Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 225A 600 VAC 300 VDC Fast Blow Electrical, Industrial - J CSA, UL - 200kA AC, 100kA DC 2.126" Dia x 7.126" L (54.00mm x 181.00mm) - -
A6T600 Mersen USA Newburyport-MA L.L.C.

A6T600

FUSE,CLASS T,FAST ACTING,200KA A

Mersen USA Newburyport-MA L.L.C.

2,481
RFQ
A6T600 Datasheet

Datasheet

A6T600 Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 600A 600 VAC 300 VDC Fast Blow Electrical, Industrial - T CSA, UL - 200kA AC, 100kA DC 2.063" Dia x 3.984" L (52.40mm x 101.20mm) - -
PSR071FS0350Z Littelfuse Inc.

PSR071FS0350Z

FUSE SQUARE 350A 1.3KVAC/1KVDC

Littelfuse Inc.

2,905
RFQ
PSR071FS0350Z Datasheet

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) - -
PSR071FL0280Z Littelfuse Inc.

PSR071FL0280Z

POWR-SPEED SQB SIZE 71 FLUSH MET

Littelfuse Inc.

2,082
RFQ
PSR071FL0280Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Box Active Bolt Mount Square 280A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, IEC, 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) - -
A6D350R Mersen USA Newburyport-MA L.L.C.

A6D350R

600V 350A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

5,970
RFQ
A6D350R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 350A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
A6D225R Mersen USA Newburyport-MA L.L.C.

A6D225R

600V 225A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

9,865
RFQ
A6D225R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 225A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
9F60BHH001 Mersen USA Newburyport-MA L.L.C.

9F60BHH001

PT EJ-1 FI 15.5KV 1E

Mersen USA Newburyport-MA L.L.C.

5,418
RFQ
9F60BHH001 Datasheet

Datasheet

9F60 Cartridge, Non-Standard Box Active Requires Holder Cartridge 1A 15.5 kVAC - Slow Blow Transformer Protection Indicating - - - 120kA 1.575" Dia x 12.874" L (40.00mm x 327.00mm) - -
9F60BHH905 Mersen USA Newburyport-MA L.L.C.

9F60BHH905

PT EJ-1 FI 15.5KV 0.5E

Mersen USA Newburyport-MA L.L.C.

3,495
RFQ
9F60BHH905 Datasheet

Datasheet

9F60 Cartridge, Non-Standard Box Active Requires Holder Cartridge 500mA 15.5 kVAC - Slow Blow Transformer Protection - - - - 120kA 1.575" Dia x 12.874" L (40.00mm x 327.00mm) - -
170M5808D Eaton - Bussmann Electrical Division

170M5808D

FUSE SQUARE 400A 700VAC RECT

Eaton - Bussmann Electrical Division

4,694
RFQ
170M5808D Datasheet

Datasheet

- Rectangular, Blade Bulk Active Requires Holder Square 400A 700 VAC - - Electrical, Industrial Indicating - CE, UR - 200kA 2.717" L x 2.165" W x 2.795" H (69.00mm x 55.00mm x 71.00mm) - -
PSR032UL0900X Littelfuse Inc.

PSR032UL0900X

FUSE SQUARE 900A 700VAC/600VDC

Littelfuse Inc.

7,219
RFQ
PSR032UL0900X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 900A 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) - -
A3T800 Mersen USA Newburyport-MA L.L.C.

A3T800

300V 800A T FUSE

Mersen USA Newburyport-MA L.L.C.

4,224
RFQ
A3T800 Datasheet

Datasheet

A3T Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 800A 300 VAC 160 VDC Fast Blow Electrical, Industrial - T CSA, UL - 200kA AC, 50kA DC 2.079" Dia x 3.378" L (52.80mm x 85.80mm) - -
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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.