A2K20R - 20Amp Fuse

A2K20R - 20Amp Fuse

The Mersen A2K20R Amp-Trap® Fuse is designed to provide fast, reliable circuit protection in electrical systems where downtime and equipment damage can become expensive problems. This 20 amp Class RK1 fast-acting fuse helps protect branch circuits, feeder circuits, motors, transformers, and other sensitive components from overloads and short circuits before they escalate into larger failures. With ratings for both 250VAC and 250VDC applications, the A2K20R works well across a wide range of industrial and commercial electrical systems.

Whether you're replacing a worn fuse in existing equipment or stocking dependable protection components for maintenance needs, this Mersen Amp-Trap® fuse offers the kind of consistent performance electricians and maintenance professionals expect in demanding environments.

Key Features and Benefits

• Fast-Acting Protection: Responds quickly to overloads and short circuits to help reduce damage to electrical equipment.
• Class RK1 Current-Limiting Design: Helps lower let-through current in high fault-current applications.
• 20 Amp Rating: Suitable for branch circuits, feeder circuits, and equipment protection.
• 250VAC / 250VDC Rated: Compatible with both AC and DC systems.
• High Interrupting Capacity: Rated for up to 200 kA AC interrupting capacity in demanding installations.
• Compact Ferrule Construction: Designed for clip mounting and easy replacement.
• Tin-Plated Copper Terminals: Supports dependable conductivity and corrosion resistance.
• Amp-Trap® Series Reliability: Manufactured by Mersen for dependable long-term protection.
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A2K20R
  
• Product Series: A2K-R Amp-Trap®
  
• Product Type: Fast-Acting Fuse
  
• Fuse Class: Class RK1
  
• Ampere Rating: 20A
  
• Rated Voltage AC: 250VAC
  
• Rated Voltage DC: 250VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Fuse Characteristic: Fast-Acting
  
• Terminal Type: Ferrule
  
• Mounting Type: Clip Mount
  
• Terminal Material: Tin-Plated Copper
  
• Body Material: GMG
  
• Product Diameter: 14.3 mm
  
• Product Length: 50.8 mm
  
• Product Weight: 0.0172 kg
  
• UPC: 782001915070
  

Material Compliance and Certifications

• RoHS Compliant
• Designed for use in UL/CSA low-voltage fuse applications
• Manufactured with durable insulating and conductive materials for reliable electrical performance
  

Where It Works Best

• Branch and feeder circuit protection
• Industrial control panels
• Motor and transformer protection
• HVAC equipment
• Manufacturing machinery
• Electrical distribution equipment
• Backup protection for downstream components
• Commercial and OEM electrical systems