A6K25R - 25Amp Fuse

A6K25R - 25Amp Fuse

The Mersen A6K25R Amp-Trap® Class RK1 fast-acting fuse is made for your electrical systems that need reliable protection without unnecessary complexity. Designed for branch and feeder circuits, this 25 amp fuse helps interrupt overcurrent conditions quickly before they can damage equipment or shut down operations. Its fast-acting design is especially useful in commercial and industrial systems where sensitive components need dependable fault protection.

With a 600VAC and 300VDC rating, the A6K25R works well in a variety of low-voltage power distribution applications, including control panels, switchboards, motor circuits, and OEM equipment. The current-limiting construction helps reduce the amount of energy that passes through during a fault, helping protect connected equipment and wiring. Tin-plated copper ferrule terminals provide reliable conductivity, while the durable PolyTube body is built to handle demanding electrical environments.

Because of its compact ferrule design and clip mounting compatibility, installation and replacement are straightforward for electricians and maintenance teams. Whether you're using it in a manufacturing plant, commercial facility, or industrial control system, the Mersen A6K25R delivers the kind of dependable circuit protection professionals expect from a Class RK1 fuse.

Key Features and Benefits

• Fast-acting Class RK1 fuse for quick fault interruption: Current-limiting design helps protect electrical equipment.
• 25 amp rating: For branch and feeder circuit applications.
• Rated for 600VAC and 300VDC systems: High 200 kA interrupting rating.
• Tin-plated copper ferrule terminals: For dependable conductivity.
• PolyTube body: Designed for durability and insulation.
• Compatible with clip mounting installations: Helps reduce downtime caused by electrical faults.
• Suitable for commercial, industrial, and OEM applications.
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A6K25R
  
• Product Series: A6K-R
  
• Product Type: Class RK1 Fast-Acting Fuse
  
• Ampere Rating: 25A
  
• Voltage Rating AC: 600VAC
  
• Voltage Rating DC: 300VDC
  
• Frequency: 50/60 Hz
  
• Fuse Class: RK1
  
• Speed/Characteristic: Fast-Acting
  
• Interrupting Rating: 200 kA AC
  
• Terminal Type: Ferrule
  
• Terminal Material: Tin-Plated Copper
  
• Mounting Type: Clip
  
• Body Material: PolyTube
  
• Product Diameter: 20.6 mm
  
• Product Length: 127 mm
  
• Product Weight: 0.0617 kg
  
• Product Group: Low Voltage UL/CSA Fuses
  

Material Compliance and Certifications

• Amp-Trap® Low-Voltage UL/CSA Fuse Family: The Mersen A6K25R is part of the Amp-Trap® low-voltage UL/CSA fuse family and is designed for applications requiring reliable overcurrent protection and fast fault clearing performance.
  

Where It Works Best

• Industrial control panels
• Commercial electrical distribution systems
• Motor branch circuit protection
• Switchboards and panelboards
• OEM machinery and automation equipment
• Feeder and branch circuit protection
• Backup protection for sensitive electrical systems
• Manufacturing and maintenance facilities