A2K300R - 300Amp Fuse

A2K300R - 300Amp Fuse

The Mersen A2K300R Amp-Trap® Class RK1 Fast-Acting Fuse is designed for electrical systems that need reliable protection in high fault current environments. Rated at 300 amps with 250VAC and 250VDC capability, this fast-acting fuse helps protect branch circuits, feeders, motors, and other critical components from damage caused by overloads and short circuits.

Its Class RK1 construction is well suited for systems where dependable overcurrent protection is essential for minimizing downtime and maintaining safe operation.

The fuse features a durable PolyTube body along with tin-plated copper blade terminals for solid conductivity and dependable long-term performance. Whether installed in power distribution equipment, motor control centers, or OEM panels, the Mersen A2K300R offers the kind of protection electricians and maintenance professionals count on in demanding environments.

Key Features and Benefits

• Fast-acting Class RK1 fuse: For overload and short-circuit protection.
• 300A ampere rating: For industrial and commercial electrical systems.
• Rated for 250VAC and 250VDC applications: Suitable for AC and DC systems.
• Current-limiting design: Helps reduce potential equipment damage.
• 200 kA interrupting rating: For high fault current protection.
• Tin-plated copper blade terminals: For reliable electrical connections.
• Helps protect branch circuits, feeders, and motor applications: Supports dependable system operation.
• Durable PolyTube insulating body: Designed for long service life.
• Clip mounting configuration: For secure installation.
• Suitable for low-voltage power distribution systems
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A2K300R
  
• Product Series: A2K-R
  
• Product Type: Class RK1 Fast-Acting Fuse
  
• Ampere Rating: 300A
  
• Voltage Rating AC: 250VAC
  
• Voltage Rating DC: 250VDC
  
• Frequency: 50/60 Hz
  
• Fuse Class: Class RK1
  
• Speed/Characteristic: Fast-Acting
  
• Interrupting Rating: 200 kA
  
• Terminal Type: Blade
  
• Terminal Material: Tin-Plated Copper
  
• Mounting Type: Clip
  
• Body Material: PolyTube
  
• Product Length: 219.2 mm
  
• Product Diameter: 52.4 mm
  
• Product Weight: 0.762 kg
  
• Compliance: RoHS Compliant
  
• UPC: 782001915346
  

Material Compliance and Certifications

• The Mersen A2K300R fuse is RoHS compliant and designed for low-voltage UL/CSA fuse applications. It is manufactured to meet demanding performance and safety standards commonly required in commercial and industrial electrical systems.
  

Where It Works Best

• Industrial facilities
• Commercial electrical distribution systems
• Motor control centers
• Branch and feeder circuits
• OEM equipment panels
• Power distribution equipment
• High fault current electrical systems
• AC and DC applications requiring fast-acting fuse protection