A6D12R - 12 Amp Fuse

A6D12R - 12 Amp Fuse

The A6D12R Amp-Trap 2000® fuse is built for the kind of electrical systems that need reliable protection without constant interruptions. Designed for commercial and industrial applications, this 12A Class RK1 time-delay fuse helps protect your motors, feeders, and branch circuits from damaging short circuits and overload conditions while still allowing normal startup currents to pass through. That’s especially important in systems with motors, compressors, or other equipment that naturally draw higher in-rush current when starting up.

What makes the A6D12R a practical choice is its combination of fast fault protection and dependable time-delay performance. In the event of a serious fault, the fuse responds quickly to help reduce damage to switches, starters, and connected equipment. At the same time, it helps prevent nuisance openings that can slow down production or create unnecessary service calls. The built-in SmartSpot® indicator also makes troubleshooting easier by giving technicians a quick visual sign that the fuse has opened.

This fuse is commonly used as a replacement for older Class H, K, and RK5 fuses already installed in the field, making upgrades and maintenance more straightforward. With its ferrule-style terminals, high interrupting rating, and compact design, the A6D12R fits well in a wide range of modern power distribution and motor protection applications.

Key Features and Benefits

• 12A Class RK1 time-delay fuse: Designed for industrial and commercial electrical systems.
• Motor and branch circuit protection: Helps protect motors, switches, starters, and branch circuits from overcurrent damage.
• Time-delay performance: Helps reduce unnecessary fuse openings during equipment startup.
• SmartSpot® blown fuse indicator: Allows faster troubleshooting.
• High 200 kA interrupting rating: Designed for demanding applications.
• Replacement compatibility: Can replace many older Class H, K, and RK5 fuses.
• Ferrule terminal design: Features tin-plated copper connections for reliable performance.
• AC and DC compatibility: Suitable for both AC and DC systems.
  

Technical Specifications

• Catalog Number: A6D12R
  
• Series: A6D-R / Amp-Trap 2000®
  
• Fuse Class: RK1
  
• Characteristic: Time Delay
  
• Ampere Rating: 12A
  
• 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
  
• Diameter: 0.81 in
  
• Length: 5 in
  
• Weight: 0.146 lb
  

Material Compliance and Certifications

• Low-voltage UL/CSA fuse applications: Designed for low-voltage UL/CSA fuse applications.
• IEC Type 2 protection: Supports IEC Type 2 “no damage” protection in coordinated systems.
• AC and DC protection: Rated for AC and DC electrical protection applications.
• Commercial and industrial environments: Manufactured for commercial and industrial environments.
  

Where It Works Best

• Motor control centers
• HVAC systems
• Industrial equipment
• Manufacturing facilities
• Feeders
• Branch circuit applications where dependable overcurrent protection is important