A6D600R - 600Amp Fuse

A6D600R - 600Amp Fuse

The Mersen A6D600R Amp-Trap 2000® Class RK1 Time-Delay Fuse is made for electrical systems that handle large loads and need dependable overcurrent protection. Rated at 600 Amps, this fuse helps protect your motors, feeders, branch circuits, and other power distribution equipment from overloads and short circuits while still allowing normal startup currents to pass without unnecessary fuse openings.

Used in many industrial and commercial systems, the A6D600R combines time-delay performance with fast short-circuit protection. That means motors and heavy equipment can start normally, but the fuse will still react quickly during serious fault conditions to help protect your switches, motor starters, and connected electrical components from damage.

One feature that helps during maintenance is the built-in SmartSpot® indicator. When the fuse opens, the indicator gives maintenance teams a quick visual reference, making troubleshooting easier and helping reduce downtime. The fuse also uses blade-style tin-plated copper terminals for secure mounting and a PolyTube insulating body designed for demanding environments.

With ratings of 600VAC and 600VDC, the A6D600R works in a wide range of AC and DC applications. Its high 200 kA interrupting rating makes it suitable for systems with higher available fault currents, and it can also replace many older Class H, K, and RK5 fuses already used in existing equipment.

Key Features and Benefits

• 600 Amp Class RK1 time-delay fuse: Helps protect against overloads and short circuits.
• Time-delay design: Allows temporary motor startup currents.
• Fast fault clearing: Helps reduce equipment damage.
• SmartSpot® indication: Built-in SmartSpot® blown fuse indication.
• 600VAC / 600VDC rated: Rated for 600VAC and 600VDC applications.
• High interrupting rating: High 200 kA interrupting rating.
• Replacement compatibility: Compatible replacement for Class H, K, and RK5 fuses.
• Blade terminals: Blade terminals for secure clip mounting.
• Commercial and industrial use: Designed for commercial and industrial electrical systems.
  

Technical Specifications

• Manufacturer: Mersen
  
• Catalog Number: A6D600R
  
• Series: Amp-Trap 2000® A6D-R
  
• Fuse Class: Class RK1
  
• Fuse Type: Time-Delay
  
• Ampere Rating: 600A
  
• AC Voltage Rating: 600VAC
  
• DC Voltage Rating: 600VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Indication System: SmartSpot®
  
• Terminal Type: Blade
  
• Mounting: Clip
  
• Terminal Material: Tin-Plated Copper
  
• Body Material: PolyTube
  
• Diameter: 79.4 mm
  
• Length: 339.9 mm
  
• Product Weight: 2.1863 kg
  
• Product Group: Low Voltage UL/CSA Fuses
  

Material Compliance and Certifications

• The Mersen A6D600R fuse is manufactured for low-voltage UL and CSA fuse applications requiring dependable overcurrent protection in industrial and commercial electrical systems.
  

Where It Works Best

• Main power distribution systems
• Industrial motor control centers
• HVAC and refrigeration systems
• Manufacturing equipment
• Feeders and branch circuits
• Commercial electrical infrastructure
• Switchboards and panelboards
• Heavy-duty machinery
• Existing systems using Class H, K, or RK5 fuses

Its time-delay design makes it a good fit for systems where motors and large electrical equipment experience temporary startup surges but still need reliable protection from overloads and high fault currents.