A6D20R - 20 Amp Fuse

A6D20R - 20 Amp Fuse

The A6D20R Amp-Trap 2000® fuse is built for your electrical systems that need dependable protection without unnecessary interruptions. In many commercial and industrial applications, motors and equipment create temporary startup surges that can cause standard fuses to open when they shouldn’t. This 20A Class RK1 time-delay fuse is designed to handle those normal in-rush currents while still providing fast protection when a real fault occurs. That means better equipment protection and fewer disruptions to everyday operation.

Whether it’s protecting HVAC equipment, motor control circuits, pumps, or industrial machinery, the A6D20R helps reduce the risk of damage caused by overloads and short circuits. When a serious electrical fault happens, the fuse reacts quickly to help protect switches, starters, contactors, and connected components. During normal startup conditions, its time-delay performance helps prevent nuisance openings that can slow production and create unnecessary maintenance calls.

The built-in SmartSpot® blown fuse indicator also helps you make troubleshooting easier. Instead of spending extra time locating the problem, maintenance personnel can quickly identify when the fuse has opened and get systems back online faster. The A6D20R is also commonly used as a replacement for older Class H, K, and RK5 fuses already installed in existing systems, making it a practical choice for maintenance upgrades and replacement projects.

Key Features and Benefits

• 20A Class RK1 time-delay fuse: For commercial and industrial electrical systems.
• Equipment protection: Helps protect motors, branch circuits, feeders, and electrical equipment from overcurrent damage.
• Time-delay design: Helps reduce nuisance openings during startup surges.
• Fast fault-clearing action: Helps limit damage during short-circuit conditions.
• SmartSpot® blown fuse indicator: Allows quicker troubleshooting and maintenance.
• High 200 kA interrupting rating: For demanding electrical applications.
• Replacement compatibility: Suitable replacement for many older Class H, K, and RK5 fuses.
• Ferrule-style terminals: Built with tin-plated copper construction for dependable conductivity.
• AC and DC rated: Rated for both AC and DC applications.
  

Technical Specifications

• Catalog Number: A6D20R
  
• Series: Amp-Trap 2000® A6D-R
  
• Fuse Class: RK1
  
• Fuse Type: Time Delay
  
• Ampere Rating: 20A
  
• Voltage Rating: 600VAC / 600VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Mounting Type: Clip
  
• Terminal Type: Ferrule
  
• Terminal Material: Tin-Plated Copper
  
• Indication System: SmartSpot®
  
• Body Material: PolyTube
  
• Product Diameter: 20.6 mm
  
• Product Length: 127 mm
  
• Product Weight: 0.0662 kg
  
• UPC/EAN: 782001991845
  

Material Compliance and Certifications

• UL/CSA applications: Designed for low-voltage UL/CSA fuse applications.
• IEC Type 2 coordinated protection: Supports IEC Type 2 coordinated protection systems.
• AC and DC rated: Rated for AC and DC electrical applications.
• Commercial and industrial construction: Manufactured for commercial and industrial environments.
  

Where It Works Best

• The A6D20R is commonly used in HVAC systems, motor control centers, manufacturing equipment, industrial machinery, branch circuits, and commercial electrical distribution panels. It performs especially well in applications where motors or electrical equipment create temporary startup surges and dependable overcurrent protection is needed to help reduce downtime and protect valuable electrical components.