A2K80R - 80Amp Fuse

A2K80R - 80Amp Fuse

When your electrical systems are exposed to high fault currents, reliable overcurrent protection becomes essential. The Mersen A2K80R Amp-Trap® Class RK1 Fast-Acting Fuse is designed to deliver the fast response and dependable circuit protection needed to help keep commercial and industrial systems running safely and efficiently. Built for demanding branch and feeder circuit applications, this 80 amp Class RK1 fuse combines high interrupting capacity with fast-acting performance to help minimize equipment damage, reduce downtime, and improve overall system protection.

Engineered for both 250VAC and 250VDC applications, the A2K80R fuse is a smart choice for facilities that require dependable performance in environments where high available short-circuit currents are present. Its durable PolyTube insulating body and tin-plated copper blade terminals provide dependable conductivity and long-lasting durability in everyday operation. Whether you’re protecting motor control centers, industrial panels, HVAC systems, or OEM equipment, this Mersen Amp-Trap® fuse delivers the performance electrical professionals trust when system reliability matters most.

Key Features and Benefits

• Fast-Acting Overcurrent Protection – Clears faults quickly to help protect sensitive electrical equipment and minimize costly downtime.
• Class RK1 Current-Limiting Design – Helps reduce thermal and mechanical stress caused by short circuits.
• 80 Amp Capacity – Ideal for branch circuit and feeder protection in commercial and industrial applications.
• 250VAC / 250VDC Rated – Suitable for both AC and DC systems requiring dependable fuse protection.
• 200 kA Interrupting Rating – Built to perform in systems with high available fault currents.
• Blade Terminal Construction – Supports secure installation and reliable electrical connections.
• Tin-Plated Copper Contacts – Helps improve conductivity while resisting corrosion over time.
• Compact Clip-Mount Design – Makes installation easier in space-conscious electrical assemblies.
• Trusted Amp-Trap® Technology – Widely used in industrial power distribution and equipment protection applications.
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A2K80R
  
• Product Series: A2K-R
  
• Fuse Class: Class RK1
  
• Fuse Type: Fast-Acting
  
• Ampere Rating: 80 A
  
• Rated Voltage AC: 250 VAC
  
• Rated Voltage DC: 250 VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA
  
• Connection Type: Blade
  
• Terminal Material: Tin-Plated Copper
  
• Mounting Type: Clip
  
• Body Material: PolyTube
  
• Product Diameter: 27 mm
  
• Product Length: 149.4 mm
  
• Product Weight: 0.151 kg
  

Material Compliance and Certifications

• RoHS Compliant – Manufactured in accordance with Restriction of Hazardous Substances requirements.
• Designed for use in UL/CSA low-voltage fuse applications.
• Manufactured to meet demanding industrial standards for dependable overcurrent protection performance.
  

Where It Works Best

• Industrial control panels
• Motor control centers (MCCs)
• Branch and feeder circuits
• Commercial power distribution systems
• HVAC equipment
• OEM machinery and automation systems
• Manufacturing facilities
• Electrical distribution equipment exposed to high fault current levels