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
A4BY400 Mersen USA Newburyport-MA L.L.C.

A4BY400

FUSE,CLASS L,TIME DELAY,200KA AC

Mersen USA Newburyport-MA L.L.C.

3,403
RFQ
A4BY400 Datasheet

Datasheet

A4BY Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 600 VAC 300 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.008" Dia x 8.622" L (51.00mm x 219.00mm) - -
A480R6R-1 Mersen USA Newburyport-MA L.L.C.

A480R6R-1

FUSE,MOTOR PROTECTION,FERRULE MO

Mersen USA Newburyport-MA L.L.C.

3,581
RFQ
A480R6R-1 Datasheet

Datasheet

9F60 Cartridge, Non-Standard Box Active Requires Holder Cartridge 6A 4.8 kVAC - Fast Blow Motor Protection Indicating - UR - 65kA 3.000" Dia x 15.866" L (76.20mm x 403.00mm) - -
A480R9R-1 Mersen USA Newburyport-MA L.L.C.

A480R9R-1

FUSE,MOTOR PROTECTION,FERRULE MO

Mersen USA Newburyport-MA L.L.C.

2,696
RFQ
A480R9R-1 Datasheet

Datasheet

9F60 Cartridge, Non-Standard Box Active Requires Holder Cartridge 9A 4.8 kVAC - Fast Blow Motor Protection Indicating - UR - 65kA 3.000" Dia x 15.866" L (76.20mm x 403.00mm) - -
A480R12R-1 Mersen USA Newburyport-MA L.L.C.

A480R12R-1

FUSE,MOTOR PROTECTION,FERRULE MO

Mersen USA Newburyport-MA L.L.C.

1,739
RFQ
A480R12R-1 Datasheet

Datasheet

9F60 Cartridge, Non-Standard Box Active Requires Holder Cartridge 12A 4.8 kVAC - Fast Blow Motor Protection Indicating - UR - 65kA 3.000" Dia x 15.866" L (76.20mm x 403.00mm) - -
A4BQ1600 Mersen USA Newburyport-MA L.L.C.

A4BQ1600

L TD FUSE 600V 1600A A4BQ

Mersen USA Newburyport-MA L.L.C.

3,608
RFQ
A4BQ1600 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 1.6kA 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.992" Dia x 10.748" L (76.00mm x 273.00mm) - -
A4BY700 Mersen USA Newburyport-MA L.L.C.

A4BY700

FUSE,CLASS L,TIME DELAY,200KA AC

Mersen USA Newburyport-MA L.L.C.

3,913
RFQ
A4BY700 Datasheet

Datasheet

A4BY Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 700A 600 VAC 300 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.480" Dia x 8.622" L (63.00mm x 219.00mm) - -
A4BQ601 Mersen USA Newburyport-MA L.L.C.

A4BQ601

L TD FUSE 600V 601A A4BQ

Mersen USA Newburyport-MA L.L.C.

3,824
RFQ
A4BQ601 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 601A 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.480" Dia x 8.622" L (63.00mm x 219.00mm) - -
A4BQ700 Mersen USA Newburyport-MA L.L.C.

A4BQ700

L TD FUSE 600V 700A A4BQ

Mersen USA Newburyport-MA L.L.C.

3,169
RFQ
A4BQ700 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 700A 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.480" Dia x 8.622" L (63.00mm x 219.00mm) - -
A4BQ400 Mersen USA Newburyport-MA L.L.C.

A4BQ400

FUSE,TIME DELAY,CLASS L,200KA AC

Mersen USA Newburyport-MA L.L.C.

3,297
RFQ
A4BQ400 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.008" Dia x 8.622" L (51.00mm x 219.00mm) - -
A4BQ600 Mersen USA Newburyport-MA L.L.C.

A4BQ600

FUSE,TIME DELAY,CLASS L,200KA AC

Mersen USA Newburyport-MA L.L.C.

4,011
RFQ
A4BQ600 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 600A 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.008" Dia x 8.622" L (51.00mm x 219.00mm) - -
A4BQ2000 Mersen USA Newburyport-MA L.L.C.

A4BQ2000

L TD FUSE 600V 2000A A4BQ

Mersen USA Newburyport-MA L.L.C.

1,165
RFQ
A4BQ2000 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 2kA 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 3.504" Dia x 10.748" L (89.00mm x 273.00mm) - -
A4BY2000 Mersen USA Newburyport-MA L.L.C.

A4BY2000

FUSE,CLASS L,TIME DELAY,200KA AC

Mersen USA Newburyport-MA L.L.C.

4,794
RFQ
A4BY2000 Datasheet

Datasheet

A4BY Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 2kA 600 VAC 300 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 3.504" Dia x 10.748" L (89.00mm x 273.00mm) - -
A4BY1600 Mersen USA Newburyport-MA L.L.C.

A4BY1600

FUSE,CLASS L,TIME DELAY,200KA AC

Mersen USA Newburyport-MA L.L.C.

3,476
RFQ
A4BY1600 Datasheet

Datasheet

A4BY Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 1.6kA 600 VAC 300 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 2.992" Dia x 10.748" L (76.00mm x 273.00mm) - -
A4BY3000 Mersen USA Newburyport-MA L.L.C.

A4BY3000

FUSE,CLASS L,TIME DELAY,200KA AC

Mersen USA Newburyport-MA L.L.C.

1,996
RFQ
A4BY3000 Datasheet

Datasheet

A4BY Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 3kA 600 VAC 300 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 5.000" Dia x 10.748" L (127.00mm x 273.00mm) - -
A4BY4000 Mersen USA Newburyport-MA L.L.C.

A4BY4000

FUSE,CLASS L,TIME DELAY,200KA AC

Mersen USA Newburyport-MA L.L.C.

2,554
RFQ
A4BY4000 Datasheet

Datasheet

A4BY Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 4kA 600 VAC 300 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 5.748" Dia x 10.748" L (146.00mm x 273.00mm) - -
A4BQ3000 Mersen USA Newburyport-MA L.L.C.

A4BQ3000

L TD FUSE 600V 3000A A4BQ

Mersen USA Newburyport-MA L.L.C.

1,780
RFQ
A4BQ3000 Datasheet

Datasheet

A4BQ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 3kA 600 VAC 500 VDC Slow Blow Electrical, Industrial - L CSA, UL - 200kA AC, 100kA DC 5.000" Dia x 10.748" L (127.00mm x 273.00mm) - -
MMT 3.15A 250V Conquer

MMT 3.15A 250V

MICRO FUSE, RADIAL, SLOW BLOW, 3

Conquer

806
RFQ
MMT 3.15A 250V Datasheet

Datasheet

MMT Radial, Box Cut Tape (CT) Active Through Hole Board Mount 3.15A 250 VAC - Slow Blow Electrical, Industrial - - CCC, cURus, KC, PSE, TUV -55°C ~ 125°C 35A 0.329" L x 0.156" W x 0.197" H (8.35mm x 3.95mm x 5.00mm) - -
MMT 5A 250V Conquer

MMT 5A 250V

MICRO FUSE, RADIAL, SLOW BLOW, 5

Conquer

856
RFQ
MMT 5A 250V Datasheet

Datasheet

MMT Radial, Box Cut Tape (CT) Active Through Hole Board Mount 5A 250 VAC - Slow Blow Electrical, Industrial - - CCC, cURus, KC, PSE, TUV -55°C ~ 125°C 35A 0.329" L x 0.156" W x 0.197" H (8.35mm x 3.95mm x 5.00mm) - -
MST 2A 250V Conquer

MST 2A 250V

MICRO FUSE, RADIAL, SLOW BLOW, 2

Conquer

1,177
RFQ

-

MST Radial, Box Cut Tape (CT) Active Through Hole Board Mount 2A 250 VAC - Slow Blow Electrical, Industrial - - CCC, CSA, KC, PSE, SEMKO, TUV, UL, VDE -55°C ~ 125°C 35A 0.329" L x 0.169" W x 0.303" H (8.35mm x 4.30mm x 7.70mm) - -
MST 4A 250V Conquer

MST 4A 250V

MICRO FUSE, RADIAL, SLOW BLOW, 4

Conquer

655
RFQ

-

MST Radial, Box Cut Tape (CT) Active Through Hole Board Mount 4A 250 VAC - Slow Blow Electrical, Industrial - - CCC, CSA, KC, PSE, SEMKO, TUV, UL, VDE -55°C ~ 125°C 35A 0.329" L x 0.169" W x 0.303" H (8.35mm x 4.30mm x 7.70mm) - -
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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.