A6D250R - 250Amp Fuse

A6D250R - 250Amp Fuse

When your electrical systems are running heavy equipment all day, reliable circuit protection becomes a big part of keeping operations moving. The A6D250R Amp-Trap 2000® fuse is designed for those demanding environments. This 250A Class RK1 time-delay fuse helps protect motors, feeders, branch circuits, and industrial equipment from overloads and short circuits while still allowing the temporary startup surges that are common with large motors and HVAC systems.

In real-world applications, equipment like pumps, compressors, conveyors, and motor-driven machinery can pull extra current for a few seconds during startup. The A6D250R is built to handle those temporary in-rush currents without opening unnecessarily. At the same time, if a serious fault occurs, the fuse reacts quickly to help reduce damage to motor starters, switches, contactors, and other connected electrical components. That combination of time-delay performance and fast fault protection can help reduce downtime and avoid expensive equipment damage.

The built-in SmartSpot® blown fuse indicator also helps you simplify maintenance. When the fuse opens, technicians can quickly identify the issue without spending extra time troubleshooting crowded electrical panels. The A6D250R is also commonly used as a replacement for older Class H, K, and RK5 fuses already installed in commercial and industrial systems, making upgrades and routine maintenance easier.

Key Features and Benefits

• 250A Class RK1 time-delay fuse: For industrial and commercial electrical systems.
• Equipment protection: Helps protect motors, feeders, branch circuits, and connected 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.
• Blade-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: A6D250R
  
• Series: Amp-Trap 2000® A6D-R
  
• Fuse Class: RK1
  
• Fuse Type: Time Delay
  
• Ampere Rating: 250A
  
• Voltage Rating: 600VAC / 600VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Mounting Type: Clip
  
• Terminal Type: Blade
  
• Terminal Material: Tin-Plated Copper
  
• Indication System: SmartSpot®
  
• Body Material: PolyTube
  
• Product Diameter: 65 mm
  
• Product Length: 295.4 mm
  
• Product Weight: 1.4606 kg
  
• UPC/EAN: 782001992224
  

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 A6D250R is commonly used in motor control centers, industrial machinery, manufacturing equipment, HVAC systems, branch circuits, and commercial power distribution panels. It performs especially well in applications where motors or heavy electrical loads create temporary startup surges and dependable overcurrent protection is needed to help reduce downtime and protect valuable electrical equipment.