A2K25R - 25Amp Fuse

A2K25R - 25Amp Fuse

If you’re working around high available fault currents, using the right fuse matters. The Mersen A2K25R Amp-Trap® Class RK1 Fast-Acting Fuse is built to help protect electrical systems from damaging overloads and short circuits before they turn into bigger problems. With a 25 Amp rating and fast-acting response, this fuse is a practical choice for branch and feeder circuits in commercial and industrial environments where reliable protection is important.

The A2K25R is part of Mersen’s well-known Amp-Trap® line and is designed for applications that need quick fault interruption and current-limiting performance. It helps reduce stress on connected equipment during fault conditions, which can help limit costly damage and unnecessary downtime. Its compact ferrule design installs easily in compatible fuse clips, making it a common fit for control panels, disconnects, HVAC systems, and power distribution equipment.

This fuse is rated for both 250VAC and 250VDC applications and features a 200kA interrupting rating, giving it the ability to perform in systems where high fault currents are present. Tin-plated copper terminals provide dependable conductivity, while the durable construction is suited for everyday industrial use.

For electricians, maintenance teams, and facility managers looking for dependable overcurrent protection, the Mersen A2K25R offers a straightforward solution backed by a trusted name in circuit protection.

Key Features and Benefits

• Fast-acting Class RK1 fuse: For quick response to overloads and short circuits.
• 25 Amp rating: For branch and feeder circuit protection.
• Rated for 250VAC and 250VDC applications: Suitable for AC and DC systems.
• High 200kA interrupting rating: For demanding electrical systems.
• Current-limiting design: Helps reduce equipment damage during faults.
• Ferrule terminal construction: For secure installation.
• Tin-plated copper terminals: For reliable conductivity.
• Compact size: For use in a variety of industrial and commercial equipment.
• ROHS compliant
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A2K25R
  
• Series: A2K-R – Class RK1 – Fast-Acting
  
• Fuse Class: RK1
  
• Amp Rating: 25A
  
• Voltage Rating AC: 250VAC
  
• Voltage Rating DC: 250VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200kA AC
  
• Mounting Style: Clip Mount
  
• Terminal Type: Ferrule
  
• Terminal Material: Tin-Plated Copper
  
• Body Material: GMG
  
• Diameter: 14.3 mm
  
• Length: 50.8 mm
  
• Product Weight: 0.0172 kg
  
• UPC: 782001915087
  

Material Compliance and Certifications

• The A2K25R is ROHS compliant and designed for low-voltage UL/CSA fuse applications. It meets the demands of commercial and industrial electrical systems that require dependable circuit protection and consistent performance.
  

Where It Works Best

• Industrial control panels
• Motor control centers
• HVAC equipment
• Commercial electrical systems
• Manufacturing machinery
• Power distribution equipment
• OEM applications
• Branch and feeder circuits