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
TRS350R Mersen USA Newburyport-MA L.L.C.

TRS350R

600V 350A 11 5/8X2 9/16 T

Mersen USA Newburyport-MA L.L.C.

4,244
RFQ
TRS350R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 350A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
TRS225R Mersen USA Newburyport-MA L.L.C.

TRS225R

600V 225A 11 5/8X2 9/16 T

Mersen USA Newburyport-MA L.L.C.

4,960
RFQ
TRS225R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 225A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
TRS600R Mersen USA Newburyport-MA L.L.C.

TRS600R

600V 600A 13 3/8X3 1/8 TD

Mersen USA Newburyport-MA L.L.C.

3,067
RFQ
TRS600R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 600A 600 VAC 600 VDC Slow Blow Electrical, Industrial Indicating RK5 CSA, UL - 200kA AC, 100kA DC 3.150" Dia x 13.386" L (80.00mm x 340.00mm) - -
TRS400RID Mersen USA Newburyport-MA L.L.C.

TRS400RID

600V 400A TD RK5 FUSE SMARTSPO

Mersen USA Newburyport-MA L.L.C.

3,166
RFQ
TRS400RID Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 600 VAC 600 VDC Slow Blow Electrical, Industrial Indicating RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
A6K150R Mersen USA Newburyport-MA L.L.C.

A6K150R

FUSE,FAST ACTING,CLASSRK1,REJECT

Mersen USA Newburyport-MA L.L.C.

4,094
RFQ
A6K150R Datasheet

Datasheet

A6K-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 150A 600 VAC 300 VDC Fast Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 20kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
TRS500R Mersen USA Newburyport-MA L.L.C.

TRS500R

600V 500A 13 3/8X3 1/8 TD

Mersen USA Newburyport-MA L.L.C.

3,459
RFQ
TRS500R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 500A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 3.150" Dia x 13.386" L (80.00mm x 340.00mm) - -
A6D250R Mersen USA Newburyport-MA L.L.C.

A6D250R

600V 250A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

3,093
RFQ
A6D250R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 250A 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) - -
HSJ400 Mersen USA Newburyport-MA L.L.C.

HSJ400

600V 400A CLASS J HS FUSE

Mersen USA Newburyport-MA L.L.C.

4,087
RFQ
HSJ400 Datasheet

Datasheet

HSJ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 600 VAC 500 VDC Fast Blow Electrical, Industrial - J CSA, UL - 200kA AC, 100kA DC 2.126" Dia x 7.126" L (54.00mm x 181.00mm) - -
L70S250.V Littelfuse Inc.

L70S250.V

FUSE CRTRDGE 250A 700VAC/650VDC

Littelfuse Inc.

2,157
RFQ
L70S250.V Datasheet

Datasheet

POWR-GARD® L70S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 250A 700 VAC 650 VDC Fast Blow Semiconductors - - CE, CSA, UR - 200kA AC, 20kA DC 2.000" Dia x 2.843" L (50.80mm x 72.20mm) - -
A4J400 Mersen USA Newburyport-MA L.L.C.

A4J400

600V 400A CLASS J FUSE

Mersen USA Newburyport-MA L.L.C.

1,970
RFQ
A4J400 Datasheet

Datasheet

A4J Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 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) - -
A2D600R Mersen USA Newburyport-MA L.L.C.

A2D600R

250V 600A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

4,570
RFQ
A2D600R Datasheet

Datasheet

A2D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 600A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 10.394" L (66.00mm x 264.00mm) - -
15NCLPT-1E-A Eaton - Bussmann Electrical Division

15NCLPT-1E-A

FUSE NCLPT-A 15.5KV 1E

Eaton - Bussmann Electrical Division

3,938
RFQ
15NCLPT-1E-A Datasheet

Datasheet

- Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 1A 14.4 kVAC - - Transformer Protection - - - - 63kA 1.614" Dia x 12.913" L (41.00mm x 328.00mm) - -
A4J300 Mersen USA Newburyport-MA L.L.C.

A4J300

FUSE,CLASS J,HIGH SPEED,200KA AC

Mersen USA Newburyport-MA L.L.C.

4,982
RFQ
A4J300 Datasheet

Datasheet

A4J Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 300A 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) - -
A6D300R Mersen USA Newburyport-MA L.L.C.

A6D300R

600V 300A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

1,526
RFQ
A6D300R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 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) - -
CP500C3 Mersen USA Newburyport-MA L.L.C.

CP500C3

CABLE FUSE,TYPE3,500KCMIL,200KA

Mersen USA Newburyport-MA L.L.C.

3,891
RFQ
CP500C3 Datasheet

Datasheet

CP/C3 Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cable Limiter - 600 VAC - Fast Blow Cable Protection - - - - 200kA 1.890" Dia x 10.000" L (48.00mm x 254.00mm) - -
A4J350 Mersen USA Newburyport-MA L.L.C.

A4J350

FUSE,CLASS J,HIGH SPEED,200KA AC

Mersen USA Newburyport-MA L.L.C.

4,095
RFQ
A4J350 Datasheet

Datasheet

A4J Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 350A 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) - -
A4J250 Mersen USA Newburyport-MA L.L.C.

A4J250

FUSE,CLASS J,HIGH SPEED,200KA AC

Mersen USA Newburyport-MA L.L.C.

4,531
RFQ
A4J250 Datasheet

Datasheet

A4J Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 250A 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) - -
TRS450R Mersen USA Newburyport-MA L.L.C.

TRS450R

600V 450A 13 3/8X3 1/8 TD

Mersen USA Newburyport-MA L.L.C.

4,160
RFQ
TRS450R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 450A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 3.150" Dia x 13.386" L (80.00mm x 340.00mm) - -
PSR071FL0250Z Littelfuse Inc.

PSR071FL0250Z

FUSE SQUARE 250A 1.3KVAC/1KVDC

Littelfuse Inc.

1,370
RFQ
PSR071FL0250Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 250A 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) - -
PSR071FL0315Z Littelfuse Inc.

PSR071FL0315Z

FUSE SQUARE 315A 1.3KVAC/1KVDC

Littelfuse Inc.

4,257
RFQ
PSR071FL0315Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 315A 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) - -
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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.